Eurotech ZEUS EPIC 520MHz PXA270 XScale Single Board Computer Technical Manual

ZEUS

PXA270 RISC based

EPIC Single Board Computer

Technical Manual

ZEUS Technical Manual

Definitions

Eurotech is the trading name for Eurotech Ltd.

Disclaimer

The information in this manual has been carefully checked and is believed to be accurate. Eurotech assumes no responsibility for any infringements of patents or other rights of third parties, which may result from its use.

Eurotech assumes no responsibility for any inaccuracies that may be contained in this document. Eurotech makes no commitment to update or keep current the information contained in this manual.

Eurotech reserves the right to make improvements to this document and/or product at any time and without notice.

Warranty

This product is supplied with a 3 year limited warranty. The product warranty covers failure of any Eurotech manufactured product caused by manufacturing defects. The warranty on all third party manufactured products utilized by Eurotech is limited to 1 year. Eurotech will make all reasonable effort to repair the product or replace it with an identical variant.

Eurotech reserves the right to replace the returned product with an alternative variant or an equivalent fit, form and functional product. Delivery charges will apply to all returned products. Please check www.eurotech-ltd.co.uk/support for information about Product Return Forms.

Trademarks

ARM and StrongARM are registered trademarks of ARM Ltd.

Intel and XScale are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.

CompactFlash is the registered trademark of SanDisk Corp.

Bluetooth is a registered trademark of Bluetooth SIG, Inc.

ZigBee is a registered trademark of the ZigBee Alliance.

All other trademarks recognised.

Revision History

Manual PCB

Issue A

Issue B

Issue C

Issue D

Date Comments

V1 Issue 2 8 th July 2006

V1 Issue 3

First full release of Manual for ZEUS.

14 th November 2006 Updated to reflect PCB changes, plus other updates.

V1 Issue 4

V1 Issue 5

25 th April 2007 Updated to reflect PCB changes.

1 st October 2007 Minor text corrections, Eurotech rebranding.

© 2007 Eurotech Ltd.

For contact details, see page 97

.

ISO 9001

FM12961

ZEUS Technical Manual Contents

Contents

Product handling and environmental compliance ..............................................................................5

Introduction ........................................................................................................................................6

ZEUS ‘at a glance’ .................................................................................................................8

ZEUS features .....................................................................................................................10

ZEUS support products........................................................................................................13

About this manual ............................................................................................................................14

Conventions.........................................................................................................................14

Getting started .................................................................................................................................16

Using the ZEUS ...................................................................................................................16

Detailed hardware description .........................................................................................................18

ZEUS block diagram............................................................................................................18

ZEUS address map .............................................................................................................19

PXA270 processor...............................................................................................................20

PXA270 GPIO pin assignments...........................................................................................22

Interrupt assignments ..........................................................................................................28

On-Board GPIO expanders pin assignments.......................................................................29

Real time clock ....................................................................................................................31

Watchdog timer....................................................................................................................32

Memory................................................................................................................................33

Wireless support ..................................................................................................................35

Expansion interfaces............................................................................................................38

SDIO ....................................................................................................................................39

CompactFlash......................................................................................................................40

PC/104 interface ..................................................................................................................41

Flat panel display.................................................................................................................44

Audio....................................................................................................................................49

Touchscreen controller.........................................................................................................50

USB .....................................................................................................................................51

Ethernet ...............................................................................................................................52

Serial COM ports .................................................................................................................53

CAN bus ..............................................................................................................................57

I²C bus .................................................................................................................................58

Quick Capture camera interface ..........................................................................................59

External General purpose I/O ..............................................................................................60

Temperature sensor.............................................................................................................61

JTAG and debug access......................................................................................................62

Power and power management.......................................................................................................63

Power supplies ....................................................................................................................63

Processor power management............................................................................................66

Peripheral devices power management...............................................................................68

Connectors, LEDs and jumpers.......................................................................................................74

Connectors ..........................................................................................................................76

Jumpers ...............................................................................................................................93

Status LEDs .........................................................................................................................96

Appendix A - Contacting Eurotech ...................................................................................................97

© 2007 Eurotech Ltd Issue D 3

ZEUS Technical Manual Contents

Appendix B - Specification ...............................................................................................................98

Appendix C - Mechanical diagram.................................................................................................100

Appendix D - Reference information..............................................................................................102

Appendix E - Wireless modem datasheets ....................................................................................104

Appendix F - ZEUS Modem details................................................................................................118

Appendix G - ZEUS-FPIF details ...................................................................................................122

Appendix H - ZEUS-FPIF-CRT details...........................................................................................127

Appendix H - Acronyms and abbreviations....................................................................................130

Appendix I - RoHS-6 Compliance - Materials Declaration Form....................................................132

Index ..............................................................................................................................................133


ZEUS Technical Manual Product handling and environmental compliance

Product handling and environmental compliance

Anti-static handling

This board contains CMOS devices that could be damaged in the event of static electricity being discharged through them. At all times, please observe anti-static precautions when handling the board. This includes storing the board in appropriate anti-static packaging and wearing a wrist strap when handling the board.

Packaging

Please ensure that, should a board need to be returned to Eurotech Ltd, it is adequately packed (preferably in the original packing material).

Electromagnetic compatibility (EMC)

The ZEUS is classified as a component with regard to the European Community EMC regulations and it is the user’s responsibility to ensure that systems using the board are compliant with the appropriate EMC standards.

RoHS compliance

The European RoHS Directive (Restriction on the Use of Certain Hazardous

Substances – Directive 2002/95/EC) limits the amount of six specific substances within the composition of the product. The ZEUS and associated accessory products are available as RoHS-6 compliant options and are identified by an -R6 suffix in the product order code. A full RoHS Compliance Materials Declaration Form is included in

Appendix I - RoHS-6 Compliance - Materials Declaration Form

. Further information about RoHS compliance is available on the Eurotech Ltd web site at www.eurotechltd.co.uk/RoHS_and_WEEE .


ZEUS Technical Manual Introduction

Introduction

The ZEUS is an ultra-low power, high performance, single board computer based on the PXA270 processor. The PXA270 is an implementation of the Intel XScale micro architecture, combined with a comprehensive set of integrated peripherals including:

• Flat panel graphics controller.

• Interrupt controller.

• Real time clock.

• Various serial interfaces.

The ZEUS board is based on the EPIC form factor. Included as standard are:

• 2 Ethernet ports.

• 2 USB host ports.

• 7 serial ports.

The ZEUS includes a site for a variety of wireless modems and a GPS receiver, and is designed to create cost effective solutions in asset monitoring, asset tracking, mobile terminals and network communication controllers. The ZEUS also includes an onboard vehicle compatible DC/DC power supply to simplify system integration.

The board is available in the standard variants specified in the following table:

Variant Details

ZEUS-M128-F32-001-R6

Main features (all other features are included unless otherwise stated):

• Onboard DC/DC PSU.

• Dual Ethernet ports.

• LVDS transmitter.

• CAN bus controller.

• 520MHz processor.

This variant is included in the Development Kits.

ZEUS-M128-F32-002-R6


• Dual Ethernet ports .

• LVDS transmitter .

• CAN bus controller .

• 5V only (No DC/ DC PSU).

• 520MHz processor. continued…



Variant Details

ZEUS-M64-F32-003-R6


• 5V only (No DC/DC PSU) .

• No CAN bus, LVDS or secondary Ethernet port .


ZEUS-M128-F32-004-I-R6

*

ZEUS-Mx-Fy-zzz-R6

ZEUS-Mx-Fy-zzz-I-R6

*


• Industrial temperature range ( -40°C to +85°C).

• 5V only (No DC/DC PSU) .


Please note:

• x can be 256, 128 or 64.

• y can be 64 or 32.

• zzz is a variant number based on different combinations of features.

*

Industrial temperature range: -40°C (-40°F) to +85°C (+185°F). Please contact Eurotech Ltd for availability of industrial temperature options.

The ZEUS board is fully RoHS-6 compliant.

For alternative board configurations, please contact

Eurotech Sales (see page 97 ).



ZEUS ‘at a glance’

10-30V input option

Audio GPIO SRAM Camera PXA270 DRAM Flat panel LCD

Touchscreen

4-wire/5-wire

Reset switch

JTAG

User jumpers

USB USB Serial PC/104 Serial

Power input LEDs Ethernet host client RS232 RS232

Flat panel

LCD – LVDS

CAN bus

Flash

Serial

RS422/485

2x serial

RS232/

485/422

DRAM

CompactFlash (CF+)

SD/SDIO/

MMC

IEEE

802.15.4 /

ZigBee header

ZEUS wireless modem/

GPS port



5V input option

5V power input

Introduction



ZEUS features

Microprocessor

• PXA270 312/416/520MHz processor (520MHz fitted as standard).

Cache

• 32K data cache, 32K instruction cache, 2K mini data cache.

System memory

• Fixed on-board memory:

- 64/128/256 MB SDRAM (32-bit wide SDRAM data bus).

Flash memory

• Fixed on-board memory - 32/64MB Flash.

SRAM

• 256 KB of SRAM battery backed on board.

Video

• 18-bit flat panel interface for STN and TFT displays.

• Optional LVDS interface.

Serial ports

• 4x UART fast serial ports - 4x 16550 compatible UARTs (921.6Kbaud):

- 1x RS422/485 - software selectable.

- 1x RS232/422/485 - software selectable.

- 2x RS232.

Wireless support

• GSM/GPRS, iDEN, CDMA modem and GPS using low profile add-on module.

• IEEE802.15.4 / ZigBee wireless interface using low profile add-on module.

Network support

• 2x 10/100Base-T Ethernet controllers (Davicom DM9000A).

• On-board dual-port RJ45 jack with LEDs.

• Factory build option for external Power-over-Ethernet (PoE).

USB support

• 2x USB 1.1 host controller ports supporting 12MB/s and 1.5MB/s speeds.

• Alternatively, one host channel may be configured as a USB 1.1 client controller port supporting 12MB/s and 1.5MB/s speeds.

• Power switch included on board with 500mA current limit.

• 2x USB A-type connectors for host ports.

• Header for client port.



Expansion interfaces

• CompactFlash CF+ socket to support Type I,II form factor CF+ cards.

• SDIO socket to support MMC/SD/SDIO cards.

• 16-bit PC/104 interface.

Date/time support

• Real time clock – battery backed on-board (external to PXA270).

Audio and touchscreen

• Wolfson WM9712L AC’97 compatible CODEC.!

• Line in, line out, microphone in, stereo amp out.

• Touchscreen support – 4/5-wire analogue resistive.

Quick Capture camera interface

• Intel Quick Capture technology.

• Header connector to a camera image sensor.

I 2 C bus

• Multi-master serial bus, header connection.

Configuration EPROM

• I 2 C EPROM for storing configuration data.

CAN bus

• Optional CAN 2.0B protocol controller and optoisolated transceiver.

Watchdog timer

• External to PXA270, generates reset on timeout. Timeout range 1ms-60s.

General I/O

• 16 x general purpose I/O (20-pin header).

Temperature sensor

• I 2 C temperature sensor.

User LEDs

• Front panel user LEDs (3x yellow).

Test support

• JTAG interface (standard 20-pin ARM header).

Reset

• Reset button.

Power requirements

• 5V operation (8-pin ATX style connector) or 10-30V input (front panel DC connector).



Mechanical

• EPIC form factor (115mm x 165mm).

Environmental

• Operating temperature:

- Commercial: -20°C (-4°F) to +70°C (+158°F) for speed variants up to 520MHz.

- Industrial: -40°C (-40°F) to +85°C (+185°F) for speed variants up to 416MHz.

• RoHS Directive Compliant (2002/95/EC).



ZEUS support products

The following products support the ZEUS:

•

ZEUS Modem Board 1

, a low profile module attached to the solder side of the

ZEUS main board. It provides the following wireless connectivity options:

- Quad band GSM/GPRS: Sony Ericsson GR64 or Dual band Siemens MC39i module.

- iDEN: Motorola iO270 module (includes internal GPS receiver).

- GPS: Fastrax iTRAX0312 channel GPS receiver module.

See ZEUS Modem Board 1 , page 118 , for further details.

•



ZEUS board. It provides the following wireless connectivity:

- Quad band GSM/GPRS: TELIT GE863-GPS module (includes internal GPS receiver).

See ZEUS Modem Board 2

, page 118 , for further details.

•



ZEUS main board. It provides the following wireless connectivity:

- GSM/GPRS: SierraWireless MC8780/MC8775/MC8755 modules.

- CDMA: SierraWireless MC5720/MC5725 modules.

- GPS: Fastrax iTRAX0312 channel GPS receiver module.

See ZEUS Modem Board 3

, page 119 , for further details.

•

ZigBee module (ZMx)

, a direct plug-in option for the ZEUS board that provides

ZigBee (see www.zigbee.org

) and IEEE 802.15.4 compatible wireless connectivity.

It provides a fully functioning IEEE802.15.4 / ZigBee controller.

See IEEE802.15.4 / ZigBee module (ZMx)

, page

37

, for further details.

•

ZEUS-FPIF

(Flat Panel Interface), a simple board that enables easy connection between the ZEUS and a variety of LCD flat panel displays.

See ZEUS-FPIF , page

122


•

ZEUS-FPIF-CRT

, a board that allows the ZEUS to drive a CRT Monitor or an analogue LCD flat panel. Sync on green and composite sync monitors are not supported.

See ZEUS-FPIF-CRT , page 127


Contact

Eurotech Sales , page 97

, for further information about any of the above products.


ZEUS Technical Manual About this manual

About this manual

This manual describes the operation and use of the ZEUS single board computer. It is designed to be a reference and user manual and includes information about all aspects of the board.

Conventions

Symbols

The following symbols are used in this guide:

Symbol Explanation

Note - information that requires your attention.

Tip - a handy hint that may provide a useful alternative or save time.

Caution – proceeding with a course of action may damage your equipment or result in loss of data.

Jumper is fitted.

3

2

1

3

2

1

Jumper is not fitted.

Jumper fitted on pins 1-2.

Jumper fitted on pins 2-3.


ZEUS Technical Manual About this manual

Tables

With tables such as that shown below, the white cells show information relevant to the subject being discussed. Grey cells are not relevant in the current context.

Byte lane

Bit

Field

Reset

Most significant byte Least significant byte

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

- - - - - - - - - - - - -

RETRIG AUTO_

X X X X X X X X 0 0 0 0 0 0 0 0

Relevant information


ZEUS Technical Manual Getting started

Getting started

A ZEUS Quickstart Manual is provided with each Development Kit to enable you to set up and start using the ZEUS board. Please read the relevant manual and follow the steps explaining how to set up the board. Once you have completed this task, and your

ZEUS system is working, you can start adding further peripherals enabling development to begin.

This section explains how to set up and use some of the features of the ZEUS. For more detailed information on any aspect of the board see the section

Detailed hardware description , page 18 .

Using the ZEUS

Using the CompactFlash socket

The ZEUS is fitted with a Type I/II CompactFlash socket mounted on the solder side of the board. The socket is connected to Slot 0 of the PXA270 PC card interface. It supports 3.3V Type I and II CompactFlash cards, for both memory and I/O. The ZEUS supports hot swap changeover of the cards and notification of card insertion.

For more details see Expansion interfaces , page 38 .

5V CompactFlash cards are not supported.

Using the serial interfaces (RS232/422/485)

The four standard serial port interfaces on the ZEUS are fully 16550 compatible.

Connection to the serial ports is made via two DB9 connectors, a 20-way header and a simple 5 way header. The pin assignment of the 20 way header has been arranged to enable 9-way IDC D-Sub plugs to be connected directly to the cable. See the section

J19 – Serial ports – COM3/4 , page 88 , for pin assignments and connector details.

See the section

Serial COM ports , page 53 , for further details.

Using the audio features

There are four audio interfaces supported on the ZEUS: amp out, line out, line in and microphone. The line in, line out and amp interfaces support stereo signals and the microphone provides a mono input. The amplified output is suitable for driving an 8Ω load with a maximum power output of 250mW per channel.

Connections are routed to J11. See the sections Audio

, page

49,

and J4 – Audio connector , page 79 , for further details.

Using the USB ports

The standard dual USB type ‘A’ connector is provided on the front panel. See the sections

USB

, page

51 , and

J8 – USB connector , page 81 , for further details.


ZEUS Technical Manual Getting started

Using the Ethernet interface

The boot loader configures the Davicom DM9000A 10/100BaseTX Ethernet controller.

Connection is made via a dual RJ45 connector. See the sections Ethernet , page 52

, and

J6 – Ethernet connector , page 80


Using the PC/104 expansion bus

PC/104 modules can be used with the ZEUS to add extra functionality to the system.

This interface supports 8/16 bit ISA bus style peripherals.

Eurotech Ltd has a wide range of PC/104 modules, which are compatible with the ZEUS.

These include modules for digital I/O, analogue I/O and motion control. Please contact

Eurotech Sales

(see page

97

) if a particular interface you require does not appear to be available as these modules are in continuous development.

In order to use a PC/104 board with the ZEUS it should be plugged into J12 for 8-bit

cards and J12/J13 for 8/16-bit cards. See the sections ZEUS PC/104 interface details

, page

41 , and

J12 & J13 – PC/104 connectors , page 84 , for further details.

The ISA interface on the ZEUS does not support DMA, shared interrupts and some

access modes. See the section PC/104 interrupts

, page

42

, for details about PC/104 interrupt use.

The ZEUS provides +5V to a PC/104 add-on board via the J12 and J13 connectors. If a PC/104 add-on board requires a +12V supply, then +12V must be supplied to the

ZEUS power connector J2 pin 4. If –12V or –5V are required, these must be supplied directly to the PC/104 add-on board.

Using the ZEUS Modem Modules

The ZEUS Modem modules can be used with the ZEUS to add wireless and GPS functionality to the system. Various wireless modems are supported to provide packet data, circuit switched data and voice connectivity on a wireless network. A 12 channel

GPS receiver is also available on the ZEUS Modem module. The ZEUS Modem module is fitted on the solder side of the ZEUS board (connector J23).

The FFUART serial port of PXA270 is used to communicate with the wireless modem, and STUART is used to communicate with GPS module. See the sections

Wireless modem and GPS receiver

, page

35 , and

J23 – Wireless modem/GPS module interface , page 91


Using the ZigBee Module

The ZEUS ZigBee module can be used with the ZEUS to provide ZigBee

( www.zigbee.org

) and IEEE 802.15.4 compatible wireless connectivity. The BTUART serial port of PXA270 is used to communicate with the ZigBee module. The ZigBee module is fitted on the solder side of the ZEUS board (connector J21). For further

details, see sections IEEE802.15.4 / ZigBee module , page 37 .


ZEUS Technical Manual Detailed hardware description

Detailed hardware description

This section provides a detailed description of the functions provided by the ZEUS.

This information may be required during development after you have started adding extra peripherals, or are starting to use some of the embedded features.

ZEUS block diagram

The following diagram illustrates the functional organization of the ZEUS EPIC single board computer:

ZEUS

PXA270

DB9

COM 1

RS232

Transceiver

DB9

COM 2

RS232

Transceiver

I2C

COM 3 RS232/422/

485

Transceiver

COMS

Header

COM 4

RS422/485

Transceiver

2x

RJ45

PC/

104

CF

Socket

Clock

Generation

Clocks

Transformer

Transformer

Buffers

Buffers

64/128 MB

SDRAM

32/64 MB

FLASH

256 KB

SRAM

QUAD

UART

Serial

EEPROM

Ethernet

Controller

Ethernet

Controller

Serial

EEPROM

CPLD

PM I2C

I2C

AC’97

Power

Amp

AC'97

Codec

Audio

Header

LCD

LVDS

Transmitter

USB 1.1 Host

USB 1.1 Host

USB 1.1 Client

USB

Header

STUART

FFUART

GPS

Module

PSU

GSM/

3G

Module

Daughter Board

BTUART

Quick Capture Camera

I2C

I/O

Expander

I/O

Expander

ZigBee Module

Header

GPIO

Header

Temp

Sensor

Config

PROM

TSC

Header

LVDS

Header

LCD

Header

2xUSB

Conn.

Power

Conn.

10-30V

Power

Header

5V

DC/

DC

5V

PSUs

Power

JTAG

RTC

JTAG

Header

Battery

Reset

Button

Reset

IC

Reset

SPI1

CAN controller

GPIO

CAN

Transc eiver

Header

MMC/SD/SDIO

User

LEDs

SDIO

Socket



ZEUS address map

-

-

-

CS0#

CS1#

CS4#

-

-

-

-

-

-

SDCS0#

SDCS1#

UART and CPLD address map

0x00000000 – 0x03FFFFFE

0x04000000 – 0x07FFFFFE

0x10000000 – 0x11FFFFFE

0x12000000 – 0x13FFFFFE

16-bit

16-bit

16-bit

16-bit

Flash memory/Silicon disk

Ethernet controller 0

Ethernet controller 1

Quad UART

CPLD registers

– Reserved

– CompactFlash

0x30000000 – 0x300003FF 8/16-bit PC/104 I/O space

– Reserved

0x3C000000 – 0x3C1FFFFF 8/16-bit PC/104 memory space

0x40000000 – 0x43FFFFFF 32-bit

– 32-bit

Reserved

PXA270 peripherals

1

LCD control registers 1

– 32-bit 1

0x4C000000 – 0x4FFFFFFC 32-bit USB host registers 1

– 32-bit 1

–

0x58000000 – 0x5BFFFFFC

32-bit

32-bit Internal memory control 1

0x5C000000 – 0x5C00FFFC 32-bit Internal SRAM bank 0

0x5C010000 – 0x5C01FFFC 32-bit

0x5C020000 – 0x5C02FFFC 32-bit

0x5C030000 – 0x5C03FFFC 32-bit

Internal SRAM bank 1



0x80000000 – 0x8FFFFFFF

0x90000000 – 0x9FFFFFFF

32-bit

32-bit

SDRAM (U2/U3)

SDRAM (U41/U49)

CS4# 0x10000000 – 0x107FFFFE

0x10800000 – 0x10FFFFFE

0x11000000 – 0x117FFFFE

0x11800000 – 0x11FFFFFE

16-bit

16-bit

16-bit

16-bit

UART 1

UART 2

UART 3

UART 4

1 Details of the internal registers are in the Intel PXA27x Processor Family Developer’s

Manual

on the Development Kit CD.



PXA270 processor

The ZEUS board is based on a PXA270 processor. The PXA270 processor is an integrated system-on-a-chip microprocessor for high performance, low power portable handheld and handset devices. It incorporates the Intel XScale technology with on-thefly voltage and frequency scaling and sophisticated power management.

The PXA270 processor complies with the ARM Architecture V5TE instruction set

(excluding floating point instructions) and follows the ARM programmer’s model. The

PXA270 processor also supports Intel Wireless MMX integer instructions in applications such as those that accelerate audio and video processing.

The features of the PXA270 processor include:

• Intel XScale core.

• Power management.

• Internal memory - 256KB of on-chip RAM.

• Interrupt controller.

• Operating-system timers.

• Pulse-width modulation unit (PWM).

• Real time clock (RTC).

• General-purpose I/O (GPIO).

• Memory controller.

• DMA controller.

• Serial ports:

- 3x UART.

- Fast infrared port.

- I2C bus port.

- AC97 Codec interface.

- I2S Codec Interface.

- USB host controller (2 ports).

- USB client controller.

- 3x synchronous serial ports (SSP).

• LCD panel controller.

• Multimedia card, SD memory card and SDIO card controller.

• Memory stick host controller.

• Mobile scalable link (MSL) interface.

• Keypad interface.

• Universal subscriber identity module (USIM) interface.

• Quick Capture camera interface.

• JTAG interface.

• 356-pin VF-BGA packaging.



The design supports 520MHz, 416MHz and 312MHz speed variants of the PXA270 processor. The standard variant of the ZEUS board is fitted with the 520MHz version of

PXA270. The maximum speed available for extended temperature versions of the

ZEUS is 416MHz.

A 13MHz external crystal is used to run the PXA270 processor. All other clocks are generated internally in the processor.

The PXA270 processor family provides multimedia performance, low power capabilities and rich peripheral integration. Designed for wireless clients, it incorporates the latest Intel advances in mobile technology over its predecessor, the PXA255 processor. The PXA270 processor features scalability by operating from 104MHz up to

520MHz, providing enough performance for the most demanding control and monitoring applications.

PXA270 is the first Intel Personal Internet Client Architecture (PCA) processor to include Intel Wireless MMX technology, enabling high performance, low power multimedia acceleration with a general-purpose instruction set. Intel Quick Capture technology provides a flexible and powerful camera interface for capturing digital images and video. Power consumption is also a critical component. Wireless Intel

SpeedStep technology provides the new capabilities in low power operation.

The processor requires a number of power supply rails. All voltage levels are generated on-board from either the DC/DC PSU or from the single +5V power input.

The ZEUS uses a specialized Power Management IC to support Intel SpeedStep technology.

The PXA270 processor is a low power device and does not require a heat sink for operating temperatures up to 85°C (185°F).



PXA270 GPIO pin assignments

The table below summarizes the use of the 118 PXA270 GPIO pins, their direction, alternate function and active level.

Key:

Dir Pin

Active function. direction.

Function active level or edge.

For details of pin states during sleep modes and reset see the Pin Usage table in the Intel PXA27x Processor Family Electrical, Mechanical and Thermal

Specification

.

GPIO name Dir Active Function

AC97Interrupt

Wake-up source

3

See section…

Audio , page 49

Reset in case of power failure

PXA270 Power Manager I 2 C

3

Power management IC , page 64

11 0 Input

Dedicated function - To achieve low power during sleep

UART 1 Interrupt

UART 2 Interrupt

UART 4 Interrupt

UART 3 Interrupt

User Configurable Input

N/A

3

3

3

3

Serial COM ports

,

page 53

3

JP1 – User jumpers ,

page

93

continued…



GPIO

No AF Signal name Dir Active Function

14 0 Input Ethernet 0 Interrupt

15 2 ETH_CS1# Output Low Chip Select 1 – Ethernet 0

Output

See

Inverter data sheet

Backlight Brightness On/Off or variable if PWM

‘OR’ of PC/104 interrupts

19 0 Output High LCD Backlight Enable

PC104 Reset Indication (IRQ)

Wake-up source See section…

3

Ethernet

, page

52

3

Ethernet

, page

52

LCD backlight brightness control , page 47

PC/104 interrupts

, page

42

LCD logic and backlight power , page 46

ZEUS PC/104 interface details , page 41

LVDS interface , page 47

USB , page 51

22 0 USB_PWE2 Output High USB Port 2 Power Enable

NA

Camera Interface Master

Clock

24 1 Input NA

25 1 Input NA

Camera Interface Pixel

Clock

Quick Capture camera interface , page 59

Input High Push To Talk

ZEUS Modem-1

, page

118

Input

Input

AC97 BIT CLOCK

29 1 AC97_DIN NA AC97 DATA IN

30 2 AC97_DOUT Output NA AC97 DATA OUT

AC97 SYNC

Audio

, page

49

continued…



GPIO


32 2 Output NA

33 2 Output Low Chip Select 5 - SRAM

34 1 GSM_FFRXD Input NA Modem Receive Data


SDIO , page 39

Static RAM , page 34

Wireless modem and

GPS receiver , page 35

35 0 Input

Compact Flash Card Detect

IRQ

Input

Input

NA Modem Data Carrier Detect

NA Modem Data Sender Ready

38 1 GSM_FFRI# Input NA Modem Ring Indicator

GSM_FFTXD NA

Output NA

Modem Data Terminal

Ready

Output NA Modem Request To Send

42 1 ZB_BTRXD Input NA ZigBee Receive Data

43 2 NA

3

CompactFlash , page 40

Wireless modem and


IEEE802.15.4 / ZigBee module , page 37

44 1 ZB_BTCTS# Input NA ZigBee Clear To Send

45 2 ZB_BTRTS# Output NA ZigBee Request To Send

Input

Output NA GPS Data

Output Low Card Bus Output Enable 48 2 CB_POE#

49 2 CB_PWE#

50 2 CB_PIOR#

Output Low Card Bus Write Enable

Output Low Card Bus I/O Read

51 2 CB_PIOW# Output Low Card Bus I/O Write

Wireless modem and


Expansion interfaces , page 38

continued…



GPIO


52 0 Input Low SDIO Write Protect Status

53 0 SDIO Card Detect IRQ


3

SDIO , page 39

54 2 CB_PCE2# Output Low Card Bus High Byte Enable

55 2 Output Low

Card Bus Register Space

Select

Input Low Card Bus IOIS16#

58 2 NA LCD Data Bit 0












Flat panel display , page 44

NA LCD Data Bit 11





74 2

Vertical Sync (TFT)

75 2

Horizontal Sync (TFT)

76 2

Clock (TFT)

77 2

Enable (TFT) continued…



GPIO


78 2 ETH_CS2# Output NA Chip Select 2 - Ethernet 1


Ethernet

, page

52

79 1 CB_PSKTSEL Output NA Card Bus Socket Select

80 2 CPLD_CS4# Output Low Chip Select 4 – UART/CPLD

Expansion interfaces

, page

38

UART and CPLD address map , page 19

81 1 NA SPI

82 1 SPI_RXD3 Input NA SPI Receive Data

CAN bus , page 57

83 1 SPI_CS3# Output Low SPI Chip Select

85 1 CB_PCE1# Output Low Card Bus Low Byte Enable


, page

38

86 2 LCD_D16

87 2 LCD_D17

Output NA LCD Data Bit 16

Output NA LCD Data Bit 17

Flat panel display , page 44

USB Port 1 Over Current

Detection

89 0 Output High USB Port 1 Power Enable

USB , page 51

90 3

91 0 Input External GPIO Interrupt 3


External General purpose I/O , page 60


, page

38

93 2


Audio , page 49

Temperature sensor

, page

61

continued…



GPIO




98 2 CIF_DD0 Input NA Camera Interface Data 0



100 3 GSM_FFCTS# Input NA Modem Clear To Send

101 0 LCD_EN Output High LCD Logic Supply Enable

Wireless modem and


Flat panel display

, page

44

3

JP1 – User jumpers ,

page

93







109 1 MMDAT1 Bidir. NA SDIO Data 1



112 1 MMCMD Bidir. NA SDIO

113 0 ETH1_IRQ# Input Ethernet 1 Interrupt



3

Ethernet

, page

52

114 0 USB_OC2# Input

USB Port 2 Overcurrent

Detection IRQ

115 0 IG_FAIL Input Ignition Fail IRQ

116 0 CAN_IRQ# Input CAN Bus Interrupt

117 1 I2C Clock

USB , page 51

Power supplies , page

63

3

CAN bus , page 57

I²C bus , page 58



© 2007 Eurotech Ltd Issue D

Detailed hardware description

Interrupt assignments

Internal interrupts

For details on the PXA270 interrupt controller and internal peripheral interrupts please see the Intel PXA27x Processor Family Developer’s Manual on the Development Kit

CD.

External interrupts

The following table lists the PXA270 signal pins used for external interrupts:

PXA270 Pin Signal name Peripheral

GPIO0 AC97_IRQ Audio

GPIO1 GPIO_IRQ# External GPIO

GPIO10 UART_INTB UART 2

GPIO11 UART_INTD UART 4

GPIO12 UART_INTC UART 3

Wake-up

3

3

3

3

3

3

3

Active

User defined

GPIO14 ETH0_IRQ# Ethernet 0

GPIO17 ISA_IRQ PC/104

3

3

GPIO20 ISA_RST# PC/104

GPIO35 CF_CD# CompactFlash 3

GPIO53 MMC_CD SDIO 3

GPIO88 USB_OC1# USB1

GPIO99 CF_RDY CompactFlash

GPIO102 USER_LINK2 User defined

GPIO113 ETH1_IRQ# Ethernet 1

3 User

Ready = Busy =

3 User

3

GPIO114 USB_OC2# USB2

GPIO115 IG_FAIL# PSU (10-30V)

GPIO116 CAN_IRQ# CAN Bus 3

28


On-Board GPIO expanders pin assignments

Two GPIO expanders (MAX7313) are used to provide additional GPIOs for use with different on-board peripherals. The GPIO expanders are connected to the I

PXA270 and are accessible through I 2 C bus addresses 0x21 and 0x22.

2 C bus of

The following tables summarize the use of the 17 GPIO pins of MAX7313 on ZEUS board, and indicate their direction and active level.

Expander 1 - I2C Address 0x21

GPIO Signal name Dir Active Function

Power-up state See section…

0

1

U3_RS232EN Output High

U3_RS422EN Output High

UART3 RS232 enable PU

UART3 RS422 enable PU

UART3 termination enable

PU

COM3 –

RS232/RS485/RS422 interface , page 54

3

5

USER_LED1# Output Low

USER_LED3# Output Low

User LED 1

User LED 2

User LED 3

PU

PU

PU

User LEDs , page 96

6 USER_LINK3 Input NA

9

10

13

GSM_STS

GPS_ON

GPS_PPS

Input High

Output High

Input NA

User jumper 3 Jumper

JP1 – User jumpers , page 93

PU

OD

Modem ON/OFF status Low

GPS module enable PU

PU

OD

GPS Pulse Per Second -

Wireless modem and GPS receiver , page 35

14 USER_LINK4 Input NA User jumper 4 Jumper

JP1 – User jumpers , page 93

15 U4_RS485EN Output High UART4 RS485 enable PU

UART4 termination enable

PU

COM4 – RS422/485 interface , page 55

Key:

Dir - Pin direction

PU - On-board 10K pull-up

Active - Function active level or edge

OD - Open Drain

Note 1: Please see the datasheet of the particular module used.



Expander 2 - I2C Address 0x22

GPIO Signal name Dir Active Function

1 LVDS_FES# Output

LVDS Falling Edge

Strobe

2 CAN_SHDN Output

CAN Transceiver shutdown

PU

Power-up state See section…

PU

Clock generator power management , page 72

PU

LVDS interface , page 47

CAN bus , page 57

8-11 ISS [0-3]

12-15 VER [0-3]

PU

COM Ports power management , page 73

PU

COM3 RS485

Low control

PU

COM4 RS485

Low control

PU

PU

COM3 –

RS232/RS485/RS422 interface , page 54

COM4 – RS422/485 interface

, page

55

Inputs NA PCB Issue Number

Inputs NA PCB Version Number



Real time clock

The ZEUS uses an external real time clock (RTC) (Intersil ISL1208) to store the date and time, and provide power management events. The RTC is connected to the I 2 C bus of the PXA270 processor and is accessible through I

RTC is battery backed.

2 C bus address 0x6F. The

The accuracy of the RTC is based on the operation of the 32.768 KHz watch crystal.

The calibration tolerance is ±20ppm, which provides an accuracy of +/-1 minute per month when the board is operated at an ambient temperature of +25°C (+77°F). When the board is operated outside this temperature the accuracy may be degraded by

-0.035ppm/ ° C² ±10% typical. The watch crystal’s accuracy will age by ±3ppm max in the first year, then ±1ppm max in the year after, and logarithmically decrease in subsequent years.

The Intersil ISL1208 RTC provides the following basic functions:

• Real time clock/calendar:

- Tracks time in hours, minutes and seconds.

- Day of the week, day, month and year.

• Single alarm:

- Settable to the second, minute, hour, day of the week, day or month.

- Single event or pulse interrupt mode.

• 2 bytes battery-backed user SRAM.

• I 2 C interface.

PXA270 has an internal real time clock, which doesn’t keep time after hardware reset, and should only be used as a wake-up source from deep-sleep.



Watchdog timer

The ZEUS uses an external watchdog timer (MAX6369) which can be used to protect against erroneous software. This is a programmable watchdog timer that can be adjusted for timeout periods of 1ms, 10ms, 30ms, 100ms, 1s, 10s and 60s. The board is reset when timeout occurs. The MAX6369 watchdog timer can be programmed using the WD setup register provided within the CPLD. The register is memory mapped (accessible through CS5#). The WDT is disabled upon reset, and remains so until enabled by the software.

The following table shows the WD setup register bit definitions:

Watchdog Register [REG3]

Bits Description

3

2:0

WDI: Watchdog Input. If WDI remains either high or low for the duration of the watchdog timeout period (t

WD

), WDT triggers a reset pulse. The internal watchdog timer clears whenever a reset pulse is asserted or whenever WDI sees a rising or falling edge.

WDSET[2:0] – watchdog enable / timeout period setup bits.

Hex Offset Address: 0x13800000

Reset Hex Value: 0x03

Access: Read/write

For further details, see the Intel PXA27x Processor Family Developer’s Manual on the

Development Kit CD.



Memory

The ZEUS has four types of memory fitted:

• 32 or 64MB resident Flash disk containing:

- Boot loader to boot operating system.

- Operating system.

- Application images.

• 64, 128 or 256MB of SDRAM for system memory.

• Static RAM, as follows:

- 256KB of SRAM internal to PXA270.

- 256KB of SRAM external to PXA270 (battery backed).

• 128 bytes of configuration EEPROM on the I²C bus.

Flash memory

The ZEUS supports 32MB or 64MB of Spansion (AMD) MirrorBit Flash memory for the boot loader, OS and application images. The Flash memory is arranged as 128Mbit x

16-bit (32MB device) or as 256Mbit x 16-bit (64MB device).

The Flash memory array is divided into equally sized symmetrical blocks that are

64-Kword in size (128KB) sectors. A 256Mbit device contains 256 blocks, and a

512Mbit device contains 512 blocks.

Whenever the Flash memory is accessed the ‘Flash’ access LED is illuminated.

SDRAM

There are two standard memory configurations supported by the ZEUS: 64MB or

128MB of SDRAM located in banks 0 and 1. The SDRAM is configured as 16MB x 32bit (64MB), or 32MB x 32-bit (128MB). 64MB configuration is using 2 devices, and

128MB configuration is using 4 devices, each with 4 internal banks of 4MB x 16-bit.

Optional 256MB configuration is using 4 devices, each with 4 internal banks of 8MB x

16-bit.

These are surface mount devices soldered to the board. The size of memory fitted to the board is detected by software to configure the SDRAM controller accordingly.

The SDRAM memory controller is set to run at frequency of 104MHz.



Static RAM

The PXA270 processor provides 256KB of internal memory-mapped SRAM. The

SRAM is divided into four banks, each consisting of 64KB.

The ZEUS also has an external 256KB SRAM device fitted, arranged as 256Kbit x 8bits. Access to the device is on 16-bit boundaries, whereby the least significant byte is the SRAM data and the 8-bits of the most significant byte are ‘don’t care’ bits. The reason for this is that the PXA270 is not designed to interface to 8-bit peripherals. This arrangement is summarized in the following data bus table:


D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Don’t Care SRAM Data

The external SRAM is non-volatile while the on-board coin cell battery is fitted.

Configuration EEPROM

The configuration EEPROM is interfaced directly to PXA270’s I 2 C controller. It is a

Microchip 24AA01 1Kbit EEPROM organized as one block of 128 x 8-bit memory.

The configuration EEPROM is addressable at I²C serial bus address 0x50 and is accessed in fast-mode operation at 400KB/s.




The ZEUS can support various wireless modems, GPS functionality and an

IEEE802.15.4 / ZigBee wireless sensor network interface. This is achieved using two optional add-on modules. GPS and cellular functionality are integrated on a single module (ZEUS Modem-n) while the IEEE802.15.4 / ZigBee port is provided by a separate module. Other cellular wireless modems such as EVDO, EDGE or satellite modems may be supported via this interface. Please contact

Eurotech Sales (see page

97 ) for more information about the available options.

ZigBee Module Wireless Modem and GPS

Wireless modem and GPS receiver

Various wireless modems are supported to provide packet data, circuit switched data and voice connectivity on a wireless network. ZEUS also provides complete GPS functionality including position, velocity and time (PVT). The ZEUS modem module is fitted on the solder side of the ZEUS board (connector J23).

The wireless modem is driven by the FFUART serial port (within the PXA270), while the GPS module uses the STUART serial interface (Rx/Tx only). For the connector details, see the section

J23 – Wireless modem/GPS module interface , page 91

.

There are also a number of control/status GPIO signals connected to J23. They can be accessed through a GPIO Expander MAX7313. See the section

On-Board GPIO expanders pin assignments , page 29

.



ZEUS Modem-1 supports the following modules:

• Sony Ericsson GR64, a quad-band (850/900/1800/1900) version of GR47/48.

Functionally comparable to the Sony Ericsson GR47/GR48 devices, the GR64 offers a broad range of voice and data features. The integrated TCP/IP stack

enables effective use of GPRS. For further details see Sony Ericsson GR64

,

page 104 .

• Siemens MC35i/39i, a dual-band GSM/GPRS module (EGSM 900/1800MHz). For further details see

Siemens MC35i/39i , page 106 .

• Fastrax iTrax03/8, a 12-channel GPS receiver. iTrax03/8 features low power consumption, small footprint, 8Mbit internal Flash and does not require battery

backup. For further details see Fastrax iTrax03/8 , page 108

.

• Motorola iO270, a wireless modem that provides packet data, circuit data and voice connectivity on the iDEN 800MHz network. The iO270 include a GPS

receiver. For further details see Motorola iO270 , page 110

.

For further details about this modem see the section

ZEUS Modem-1 , page 118 .

ZEUS Modem-2 supports the following wireless module with built-in GPS receiver:

• Telit GE863-GPS module, which supports communication services in quad-band

EGSM 850/900/1800/1900MHz networks. For further details see Telit GE863-GPS , page 112

.

For further details about ZEUS Modem-2, see the section ZEUS Modem-2 , page

118

.

ZEUS Modem-3 supports the following wireless modules:

• Sierra Wireless MC8775 PCI Express Mini Card embedded module, which offers connectivity to all three HSDPA/UMTS frequency bands (850, 1900, 2100 MHz) and all four EDGE/GPRS bands (850, 900, 1800 and 1900 MHz) used worldwide.

For further details see Sierra Wireless MC8775 , page 114

.

• Sierra Wireless MC5720 PCI Express Mini Card embedded module, which offers a complete wireless data solution over CDMA 1x EVDO networks with typical

download data rates of 400-700 kbps. For further details see Sierra Wireless

MC5720 , page

116

.

• Fastrax iTrax03/16, a 12-channel GPS receiver. iTrax03/16 features low power consumption, small footprint, 16Mbit internal Flash and does not require battery

backup. For further details see Fastrax iTrax03/8 , page 108

.

For further details about ZEUS Modem-3, see the section ZEUS Modem-3 , page

119 .



IEEE802.15.4 / ZigBee module (ZMx)

IEEE802.15.4 / ZigBee is the wireless standards-based technology that addresses the unique needs of remote monitoring and control for sensor level network applications.

ZigBee enables deployment of wireless networks with low cost, low power solutions sensor devices and offers the ability to run remote sensors for years on inexpensive primary batteries. For more information, see www.zigbee.org/en/about/ .

The ZigBee module is connected to the PXA270 processor using BTUART serial interface (Rx, Tx, RTS#, CTS#). For the connector details see the section

J21 –

IEEE802.15.4 / ZigBee connector

, page

90 .




There are three expansion interfaces on the ZEUS: SDIO, PC/104 and CompactFlash.

PC/104 and CompactFlash interfaces are connected to the PC card memory controller of the PXA270 with the use of some ‘glue logic’ implemented in a CPLD (Xilinx

XC9536XL). There is a CPLD Firmware version/issue register that can be accessed at the address 0x12000000.

CPLD ver/issue register [REG0]

Byte lane

Bit

Most significant byte

15 14 13 12 11 10 9 8

Least significant byte

[7:4] [3:0]

Field

Reset

R/W

- - - - - - - - VER[3:0]

X X X X X X X X Current Version

ISSUE[3:0]

Current Issue

Address 0x12000000



SDIO

The SD card socket J22 is interfaced directly to PXA270’s MMC/SD/SDIO controller.

The MMC/SD/SDIO controller supports multimedia card, secure digital and secure digital I/O communications protocols. The MMC controller supports the MMC system, a low cost data storage and communications system. The MMC controller in the PXA270 processor is based on the standards outlined in the MultiMediaCard System

Specification Version 3.2

. The SD controller supports one SD or SDIO card based on the standards outlined in the SD Memory Card Specification Version 1.01 and SDIO

Card Specification Version 1.0 (Draft 4)

.

The MMC/SD/SDIO controller features:

• Data transfer rates up to 19.5Mbit/s for MMC, 1-bit SD and SPI mode data transfers, and up to 9.75Mbit/s for 1-bit SDIO.

• Data transfer rates up to 78Mbit/s for 4-bit SD data transfers, and up to 39Mbit/s for

SDIO.

• Support for all valid MMC and SD/SDIO protocol data transfer modes.

This is a hot swappable 3.3V interface, controlled by the detection of a falling edge on

GPIO53 when an SD card has been inserted, and a rising edge when an SD card is removed.

SD card write protection is connected to PXA270’s GPIO52, and card detect to

GPIO53.

A variety of SDIO cards are available, such as a Bluetooth and IEEE802.11b (WiFi).

More information can be found here: www.sdcard.org/sdio .



CompactFlash

A CompactFlash extension socket for full I/O mode operation is provided by slot 0 of the PXA270 PC card controller, and supports type I,II CF+ cards. It appears in PC card memory space socket 0.

0x20000000 – 0x23FFFFFF

0x24000000 – 0x27FFFFFF

0x28000000 – 0x2BFFFFFF

0x2C000000 – 0x2FFFFFFF

Socket 0 I/O Space.

Reserved.

Socket 0 Attribute Memory Space.

Socket 0 Common Memory Space.

This is a hot swappable 3.3V interface, controlled by the detection of a falling edge on

GPIO35 of PXA270 when a CompactFlash card has been inserted (CF_CD#). On detection, set GPIO97 (CF_PWEN) to logic ‘1’ to enable the 3.3V supply to the

CompactFlash connector. The CompactFlash RDY/BSY# signal interrupts on PXA270’s

GPIO99.

Many CF+ cards require a reset once they have been inserted. To reset the

CompactFlash socket independently set the CF_RST bit to ‘1’ in the REG2 register located at the address 0x13000000. To clear the CompactFlash reset write ‘0’ to the

CF_RST bit.

CF reset register [REG2]

Byte lane

Bit

Field


15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

- - - - - - - - - - - - - - - CF_RST

Reset

R/W

X X X X X X X X X X X X X X X

- - - - - - - - - - - - - - -

0

R/W

Address 0x13000000

CF+ is a small form factor card standard. It encompasses CompactFlash (CF) Flash data storage cards, magnetic disk cards and I/O cards including serial cards, Ethernet cards, fax/modem cards, digital phone cards, USB, barcode scanners, Bluetooth,

IEEE802.11b (WiFi), wireless digital cell phone cards, and so on. For more details about

CF+ standards and the availability of particular CF+ peripherals, see www.compactflash.org

.

The CF+ card provides high capacity data storage and I/O functions that electrically comply with the Personal Computer Memory Card International Association (PCMCIA) standard.

For connection details for the standard 50 pin CompactFlash connector, see J20 –

CompactFlash connector , page 89

.



PC/104 interface

The ZEUS PC/104 interface is emulated from the PXA270 PC card interface to support

8/16 bit ISA bus style signals. As the interface is an emulation, the ZEUS does not support some PC/104 features. Please refer to the section

Unsupported PC/104 interface features

on page

43 for specific details.

Add-on boards can be stacked via the PC/104 interface to enhance the functionality of the ZEUS. Eurotech Ltd has an extensive range of PC/104 compliant modules and these can be used to quickly add digital I/O, analogue I/O, serial ports and motion control.

The ISA bus is based on the x86 architecture and is not normally associated with RISC processors. It is generally necessary to modify standard drivers to support any third party PC/104 modules.

Any PC/104 add-on board attached to the ZEUS is accessible from the PC card memory space socket 1. The memory map is shown in the following table:

Address

0x30000000 – 0x300003FF

Region size Region name

1KByte PC/104 I/O space, 8/16-bit.

0x30000400 – 0x3BFFFFFF

0x3C000000 – 0x3C1FFFFF

-

16MB

Reserved.

PC/104 memory space,

16-bit (or 8-bit write only).

ZEUS PC/104 interface details

The PC/104 bus signals are compatible with the ISA bus electrical timing definitions.

All signals between the PXA270 and the PC/104 are buffered. When the PC/104 bus is not in use, all output signals with the exception of the clock signals are set to their inactive state.

The ZEUS provides +5V to a PC/104 add-on board via the J12 and J13 connectors. If a PC/104 add-on board requires a +12V supply, then +12V must be supplied to the

ZEUS power connector J2 pin 4. If –12V or –5V are required, these must be supplied directly to the PC/104 add-on board.

The reset signal applied to the PC/104 bus is combination of the RESET_OUT# pin of

PXA270 and an additional circuit that monitors +5V supply.

Due to the specific power management requirements of the PXA270, there is no reset generated to PXA270 if the +5V supply is below its limits. If the reset is generated to the PC/104 bus by the +5V monitoring IC, an interrupt can be asserted to PXA270 on

GPIO20.



PC/104 interrupts

The PC/104 interrupts are combined together so that any interrupt generated on the

PC/104 interface generates a single interrupt on the GPIO17 pin of the PXA270 processor.

Reading the PC104_IRQ register located at the address 0x12800000 can identify the

PC/104 interrupting source. The registers indicate the status of the interrupt lines at the time the register is read. The relevant interrupt has its corresponding bit set to ‘1’. The

PXA270 is not designed to interface to 8-bit peripherals, so only the least significant byte from the word contains the data.

PC/104 interrupt register [REG1]

Byte lane Most significant byte Least significant byte

Bit

Field

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

- - - - - - - - IRQ12IRQ11IRQ10 IRQ7 IRQ6 IRQ5 IRQ4 IRQ3

Reset

R/W

X X X X X X X X 0 0 0 0 0 0 0 0

- - - - - - - - R/W

Address 0x12800000

Once the PXA270 microprocessor has serviced a PC/104 interrupt, the corresponding bit in the PC104_IRQ register has to be cleared by writing a ‘1’ to it. Clearing the corresponding bit in the PC104_IRQ register will bring GPIO17 level to logic ‘0’ and make the interrupt logic ready for the next PC104 interrupt. When one or more other

PC104 IRQs are asserted while the driver is processing PC104 IRQ, the new PC/104

IRQ source has to wait for the current IRQ to be processed. This situation is shown in the following diagram:

Delay:

250-375ns

GPIO17

Driver processing IRQ3

Driver processing IRQ4 due to priority over IRQ6

PC104_IRQ3 Driver clears IRQ3 at source and in PC104_IRQ register

PC104_IRQ6

PC104_IRQ4

There is a delay of 250-375ns between the de-assertion of the GPIO17 IRQ signal and its new assertion due to the pending PC104 interrupt. This delay is introduced into the

ZEUS hardware implementation to accommodate for the minimum inactive time of

GPIO signals required by a PXA270 processor (154ns).



Unsupported PC/104 interface features

The ZEUS does not support the following PC/104 bus features:

• PC/104 IRQ9, IRQ14 and IRQ15 are not available.

• DMA is not supported. Therefore, AEN signal is set to a constant logical zero.

• Bus mastering is not supported. Therefore, do not connect any other master addon board to the ZEUS PC/104 interface.

• Shared interrupts are not supported. Do not connect more than one add-on board to the same interrupt signal line.

• BALE signal is set to a constant logical one as the address is valid over the entire bus cycle. Add-on PC/104 boards that implement transparent latch on address lines LA17-LA23 are compatible with the ZEUS implementation of BALE.

• The PXA270 PCMCIA memory controller does not support 8-bit memory read accesses for common memory space.

• The PXA270 PCMCIA memory controller does not support PC/104 MEMCS# signalling, so there is no support for dynamic bus sizing.



Flat panel display

The PXA270 processor contains an integrated LCD display controller. It is capable of supporting both colour and monochrome single- and dual-scan display modules. It supports active (TFT) and passive (STN) LCD displays up to 800x600 pixels.

The PXA270 can drive displays with a resolution up to 800x600, but as the PXA270 has a unified memory structure, the bandwidth to the application decreases significantly. If the application makes significant use of memory, such as when video is on screen, you may also experience FIFO under-runs causing the frame rates to drop or display image disruption. Reducing the frame rate to the slowest speed possible gives the maximum bandwidth to the application. The display quality for an 800x600 resolution LCD is dependant on the compromises that can be made between the LCD refresh rate and the application. The PXA270 is optimized for a 640x480 display resolution.

A full explanation of the graphics controller operation can be found in the Intel PXA27x

Processor Family Developer’s Manual

included on the Development Kit CD.

The

ZEUS-FPIF interface board allows the user to easily wire-up a panel using pin and

crimp style connectors (see page

122

). Contact Eurotech Sales

(see page

97 ) for

purchasing information. Alternatively, the display interface is connected to an LVDS

interface (see the section LVDS interface

, page

47 ). This may be useful when driving

displays located more than 300mm (12") from the ZEUS.

The following tables provide a cross-reference between the flat panel data signals and their function when configured for different displays.

TFT panel data bit mapping to the ZEUS

The PXA270 can directly interface to 18-bit displays, but from a performance point of view it is better to use 16-bit only. 18-bit operation requires twice the bandwidth of 16-bit operation.

The following table shows TFT panel data bit mapping to the ZEUS:

Panel data bus bit

FPD 15

FPD 14

FPD 13

FPD 12

FPD 11

18-bit TFT

R5

R4

R3

R2

R1

12-bit TFT

R3

R2

R1

R0

-

9-bit TFT

-

-

R2

R1

R0

FPD 10

FPD 9

FPD 8

G5

G4

G3

G3

G2

G1

G2

G1

G0 continued…



Panel data bus bit

FPD 7

FPD 6

FPD 5

FPD 4

FPD 3

FPD 2

FPD 1

FPD 0

18-bit TFT

G2

G1

G0

B5

B4

B3

B2

B1

12-bit TFT

G0

-

-

B3

B2

B1

B0

-

STN panel data bit mapping to the ZEUS

Panel data bus bit Dual scan colour STN Single scan colour STN Dual scan mono STN

FPD 7

FPD 6

FPD 5

FPD 4

FPD 3

FPD 2

FPD 1

FPD 0

FPD 15

FPD 14

FPD 13

FPD 12

FPD 11

FPD 10

FPD 9

FPD 8

DL7(G)

DL6(R)

DL5(B)

DL4(G)

DL3(R)

DL2(B)

DL1(G)

DL0(R)

DU7(G)

DU6(R)

DU5(B)

DU4(G)

DU3(R)

DU2(B)

DU1(G)

DU0(R)

-

-

-

-

-

-

-

-

D7(G)

D6(R)

D5(B)

D4(G)

D3(R)

D2(B)

D1(G)

D0(R)

-

-

-

-

-

-

-

-

DL3

DL2

DL1

DL0

DU3

DU2

DU1

DU0

The table below explains the clock signals required for passive and active type displays:

Passive display signal (STN) ZEUS Active display signal (TFT)

PCLK Clock

LCLK Horizontal Sync

FCLK Vertical Sync

Line Clock

Frame Clock

Bias

9-bit TFT

-

-

-

B2

B1

B0

-

-



LCD logic and backlight power

The display signals are +3.3V compatible. The ZEUS contains power control circuitry for the flat panel logic supply and backlight supply. The flat panel logic is supplied with a switched 3.3V (default) or 5V supply (for details see the section

JP3 – LCD logic supply selection , page 94 ). The backlight is supplied with a switched 5V supply for the

inverter.

The power switches (TPS2033D) for flat panel logic and backlight have the currentlimiting (1.5A) and thermal protection features which eliminates the need for the fuses.

The PXA270 GPIO101 pin (LCDEN signal) controls the supply voltage to the LCD display.

LCDEN

(CPU_GPIO101) Selected LCD function

0 LCD power off (default)

The PXA270 GPIO19 pin (BKLEN signal) controls the supply voltage to the backlight inverter:

BKLEN

(CPU_GPIO19) Selected backlight function

0

1

BKLSAFE Power Off (Default)

BKLSAFE 5V Power On

The BKLEN signal is also routed to the connector J14. See the section

J14 – LCD connector , page 85 , for J14 pin assignment and connector details.

Signals BKLEN and BKLSAFE are also routed to the connector J24. See the section

J24 – Backlight power , page 92


Typically the power up sequence is as follows (please check the datasheet for the particular panel in use):

1

Enable display power.

2

Enable flat panel interface.

3

Enable

Power down is in reverse order.



LCD backlight brightness control

GPIO16 of the PXA270 processor is used for backlight brightness control (signal

PWM0 on the J14 connector). The control of the backlight brightness is dependent upon the type of backlight inverter used with the display. Some inverters have a ‘DIM’ function, which uses a logic level to choose between two levels of intensity. If this is the case then GPIO16 (Alternative Function 0) is used to set this. Other inverters have an input suitable for a pulse-width modulated signal or analogue voltage control. In this case GPIO16 should be configured as PWM0 (Alternative Function 2).

Signal PWM0 is also routed through a low-pass filter on the ZEUS to enable analogue

voltage control of backlight brightness (signal BRT_CTRL on connector J24 – Backlight power - see page 92 ). The voltage range of BRT_CTRL is 0-2.5V.

STN bias voltage

The ZEUS provides a negative and a positive bias voltage for STN type displays

(turned on by the PXA270 GPIO101 pin). The negative and positive bias voltages are factory set to -22V and +22V respectively. Pin connections for these can be found in the section

J14 – LCD connector , page 85

. Please contact Eurotech Technical Support

(see page 97 ) for details of other bias voltages.

Do not exceed 20mA load current.

LVDS interface

There is an optional Low-Voltage Differential Signalling (LVDS) interface available on the ZEUS. LVDS combines high data rates with low power consumption. The benefits of LVDS include low-voltage power supply compatibility, low noise generation, high noise rejection and robust transmission signals.

The National Semiconductor transmitter DS90C363 is used to convert 16-bits of LCD data signals into three LVDS data streams. A phase-locked transmit clock is transmitted in parallel with the data streams over a fourth LVDS link. The LVDS signals are routed to the connector J16. For the connector details see the section

J16 – LVDS connector , page 86 .

The LVDS transmitter is enabled using the signal LVDS_EN (GPIO21 on PXA270).

Details are shown in the following table:

LVDS_EN

(CPU_GPIO 21) Selected LVDS function

0 LVDS power down (default)



The LVDS transmitter can be programmed for rising edge strobe or falling edge strobe operation through a signal LVDS_FES# (Expander 2 – GPIO1, I2C address 0x22).

Details are shown in the following table:

LVDS_FES#

(EXP2_GPIO1) Selected LVDS function

0

1

Falling edge strobe

Rising edge strobe (default)

Connector J24 should be used to supply the power and brightness control for the

backlight inverter when the LVDS interface is used. See the section J24 – Backlight power

, page

92 , for details.



Audio

A Wolfson WM9712L AC’97 audio CODEC is used to support the audio features of the

ZEUS. Audio inputs supported by the WM9712L are stereo line in and a mono microphone input.

The WM9712L provides a stereo line out that is amplified by a National Semiconductor

LM4880 250mW per channel power amplifier, suitable for driving an 8Ω load. The

WM9712L AC’97 codec may be turned off if it is not required. See the section Audio power management

, page

71 , for details.

Connection to the ZEUS audio features is via header J4.

See the section

J4 – Audio connector , page 79

, for connector and mating connector details. The table below shows pin assignments:

Function Pin Signal Signal levels (max)

Frequency response (Hz)

Microphone

10

9

7

MIC input

MIC voltage reference output

Audio ground reference.

1Vrms 20 – 20k

Line in

1

5

3

Line input left

Line input right

Audio ground reference

1Vrms 20 – 20k

Line out

Amp out

2

6

4

Line output left

Line output right


8

11

12

Amp output left

Amp output right


1Vrms

1.79V peak

1.26Vrms

(8Ω load) 223mW

20 – 20k

20 – 20k



Touchscreen controller

The ZEUS supports 4-wire and 5-wire analogue resistive touchscreens using the controller available within the Wolfson WM9712L audio CODEC. The touchscreen controller supports the following functions:

• X co-ordinate measurement.

• Y co-ordinate measurement.

• Pen down detection with programmable sensitivity.

• Touch pressure measurement (4-wire touchscreen only).

The touchscreen can be used as a wake-up source for PXA270 from sleep mode.

The touchscreen interface is broken out on the header J1. For details see J1 –

Touchscreen connector , page 77 .



USB

There are two USB host interfaces on the ZEUS. These comply with the Universal

Serial Bus Specification Rev. 1.1, supporting data transfer at full-speed (12Mbit/s) and low-speed (1.5Mbit/s).

There are four signal lines associated with each USB channel: VBUS, DATA+, DATA-,

GND. The USB host ports are connected to a dual USB connector, type A (J8).

A USB power control switch controls the power and protects against short-circuit conditions. If the USB voltage is short-circuited, or more than 500mA is drawn from either supply, the switch turns the power supply off and automatically protects the device and board. The VBUS power supply is derived from the ZEUS +5V supply. To switch the VBUS1 and VBUS2 power on, use the PXA270 GPIO89 and GPIO22 respectively (set them to logic ‘1’).

USB port 2 can be configured as a client port internally within the PXA270 USB controller, and is connected to 5-pin header J10.

For details of connector pinouts, see the sections J8 – USB connector , page 81 , and

J10 – USB client header

, page

82

.

More information about the USB bus and the availability of particular USB peripherals can be found at www.usb.org

.

Host port 2 on J8 and client port on J10 can only be used one at a time.

DO NOT connect both devices at the same time.



Ethernet

The ZEUS SBC provides two 10/100-BaseTX interfaces with MAC and complies with both the IEEE802.3u 10/100-BaseTX and the IEEE 802.3x full-duplex flow control specifications.

Two single 10/100-BaseTX Ethernet controllers, Davicom DM9000A, are used to implement Ethernet interfaces on ZEUS. DM9000A device provides an embedded PHY and MAC and connects to 10/100-BaseTX magnetics. DM9000A also supports AUTO-

MDIX feature. Configuration data and MAC information are stored in an external serial

EEPROM (93LC46).

The DM9000A devices are connected to the PXA270 data bus (16-bit), and are memory mapped. Connection to the ZEUS Ethernet ports is via dual RJ45 connector,

J6, with speed and link/activity status LEDs. For pin assignment and connector details, see

J6 – Ethernet connector , page 80

.

The link/activity LED (yellow) is illuminated when a 10/100-BaseTX link is made, and when there is Tx/Rx activity. The speed LED (green) is illuminated when 100MB/s speed is selected.



Serial COM ports

There are seven serial communications ports available on the ZEUS. Three are provided by the PXA270 and are used for the optional wireless modem, GPS and

IEEE802.15.4 / ZigBee ports.

There are four additional high-speed, 16550 compatible serial UARTs implemented by an EXAR ST16C554Q Quad UART device. Two of these channels (COM1, COM2) can be used as standard RS232 serial interfaces, COM3 can be configured as RS232 or

RS485/422, and COM4 can be configured as RS422 or RS485. The table below provides a summary of the four additional serial ports.

Port Address IRQ

FIFO depth

RX / TX Signals

COM1 0x10000000

0x1000000F

– GPIO9 16/16 RS232: Rx, Tx, CTS, RTS, RI,

DSR, DCD, DTR

COM2 0x10800000

0x1080000F

– GPIO10 16/16 RS232: Rx, Tx, CTS, RTS, RI,

DSR, DCD, DTR

COM3 0x11000000

0x1100000F

– GPIO12

COM4 0x11800010

0x1180001F

–

16/16 RS232: Rx, Tx, CTS, RTS, RI,

DSR, DCD, DTR or

RS422/485: Rx, Tx

RS422/RS485: Tx

COM1/2 – RS232 interface

Supported on Channel A and B of the external Quad UART, the ports are buffered to

RS232 levels with ±15kV ESD protection, and support full handshaking and modem control signals. The maximum baud rate is 921.6 Kbaud. COM1 and COM2 ports can be accessed using DB9 connectors J11 and J15, respectively. For pin assignment and

connector details, see J11 – Serial port – COM1

on page

83

and

J15 – Serial port –

COM2

on page

86

.

A factory fit option configures COM1 as TTL Level signals to interface to certain specialized modems. Please contact

Eurotech Technical Support

(see page

97 ) for

details.



COM3 – RS232/RS485/RS422 interface

Supported on Channel C of the external Quad UART, COM3 port can be configured by software as RS232 or RS485/RS422.

The port is buffered to RS232 (or RS485/RS422) levels with ±15kV ESD protection.

RS232 interface supports full handshaking and modem control signals. The maximum baud rate on this channel is 921.6 Kbaud. COM3 RS232 interface is connected to the connector J19, and RS485/422 interface is connected to the connector J18. For pin

assignment and connector details, see J18 – Serial port (RS485/422) – COM3 on page

87 and

J19 – Serial ports – COM3/4 on page 88

.

Three control outputs of I 2 C GPIO expander (I 2 C address 0x21) are used to select one of the operating modes RS232, RS485 or RS422. The selection is implemented by using two control signals (U3_RS232EN, U3_RS422EN) to enable/disable the associated transceivers. The control signal combinations are shown in the following table:

U3_RS232EN

(EXP1_GPIO 0)

U3_RS422EN

(EXP1_GPIO 1) Selected COM3 function

1 X RS232

0 0 RS485 Full duplex

0 1 RS422 Half duplex

U3_RS232EN and U3_RS422EN are at logic ‘1’ upon reset.

The control signal U3_TERM# is used to enable/disable the RS485/422 line termination and must be enabled if the ZEUS board is at the end of the network. The following table shows the usage of U3_TERM# signal:

U3_TERM# (EXP1_GPIO 2) Termination resistors (120 Ω)

0 Connected

1 Disconnected

U3_TERM# is at logic ‘1’ upon reset.

The RS485/422 driver (LTC2859) on ZEUS features a logic-selectable reduced slew mode that softens the driver output edges to control the high frequency EMI emissions from equipment and data cables. The reduced slew rate mode is entered by taking the

SLO# pin low, where the data rate is limited to about 250kbps. Slew limiting also mitigates the adverse effects of imperfect transmission line termination caused by stubs or mismatched cables.

U3_RS485_SLO# (EXP2_GPIO 5) Slew rate

0 Reduced

1 Normal



COM4 – RS422/485 interface

Supported on Channel D of the external Quad UART, and buffered to RS422/485 levels with ±15kV ESD protection, this channel provides support for RS422 or RS485

(software selectable) interfaces. The maximum baud rate on this channel is 921.6

Kbaud. COM4 port is connected to the connector J19.

The GPIO15 pin of the I 2 C GPIO expander (I 2 C address 0x21) is used to select RS422 or RS485 interface mode as shown in the following table:

0

1

U4_RS485EN (EXP1_GPIO 15) Selected COM4 function

RS422 Full duplex

RS485 Half duplex

U4_RS485EN is at logic ‘1’ upon reset.

The GPIO16 pin of the I 2 C GPIO expander (I 2 C address 0x21) is used to enable/disable the RS485/422 line termination and must be enabled if the ZEUS board is at the end of the network. The following table shows the usage of U4_TERM# signal:

U4_TERM# (EXP1_GPIO 16) Termination resistors (120 Ω)

0 Connected

1 Disconnected

U4_TERM# is at logic ‘1’ upon reset.

The RS485/422 driver (LTC2859) on ZEUS features a logic-selectable reduced slew mode that softens the driver output edges to control the high frequency EMI emissions from equipment and data cables. The reduced slew rate mode is entered by taking the

SLO# pin low, where the data rate is limited to about 250kbps. Slew limiting also mitigates the adverse effects of imperfect transmission line termination caused by stubs or mismatched cables.

U4_RS485_SLO#

(EXP2_GPIO 6) Slew rate

0 Reduced

1 Normal

Further details about the RS422 and RS485 interfaces are provided below.

RS422

The RS422 interface provides full-duplex communication. The signals available are

TX+, TX-, RX+, RX- and ground. The maximum cable length for an RS422 system is

1200m (4000ft). It supports one transmitter and up to ten receivers.



RS485

This is a half-duplex interface that provides combined TX and RX signals (TX+/RX+ and TX-/RX-). A ground connection is also required for this interface. The maximum cable length for this interface is the same as RS422 - 1200m (4000ft), but RS485 supports up to 32 transmitters and receivers on a single network. Only one transmitter should be switched on at a time. The ZEUS uses the RTS# signal to control transmission. When this signal is at logic 1, the driver is switched off and data can be received from other devices. When the RTS# line is at logic 0, the driver is on. Any data transmitted from the ZEUS is automatically echoed back to the receiver. This enables the serial communications software to recognize that all data has been sent, and disable the transmitter when required.

Typical RS422 and RS485 connection

RS422 POINT-TO-POINT RS422 MULTI-DROP RS485 MULTI-DROP

Number of Wires

Transmitters Enabled

Receivers Enabled

Duplex Mode

5 always

Number of Wires


always

Duplex Mode

RS485EN LOW

5 active RTS#


always

full

RS485EN LOW

Number of Wires

3 active RTS#

always

RS485EN HIGH

Only set U3_TERM# (U4_TERM#) at logic low if the ZEUS is at the end of the network.



CAN bus

A Microchip MCP2515 CAN 2.0B protocol compatible controller and MCP2551 transceiver are used on the ZEUS to provide Controller Area Network (CAN) bus connectivity. CAN is a high-integrity serial data communications bus for real-time applications. It operates at data rates of up to 1 Mbit/s and has excellent error detection capabilities. A 16MHz clock is supplied to the CAN controller.

The MCP2515 controller connects to the SPI serial interface of the PXA270 processor.

A MCP2551 transceiver is opto-isolated from the rest of the circuit (3.75kV isolation voltage), but an external isolated 5V supply needs to be provided to supply the transceiver and the opto-isolators. Alternatively, non-isolated operation is available through a factory fit option. Contact

Eurotech Technical Support (see page 97 ) for

details.

The CAN bus interface is broken out to the header J17. For connector details see the

section J17 – CAN bus , page 87 .

Jumpers JP5, JP6 can be used to connect 62Ω termination resistors when the ZEUS is at the end of the network. Split termination concept is used on ZEUS (see figure

below). For details see the section JP5 & JP6 – CAN bus termination , page 95

.

CAN_H

JP5

CAN Transceiver

C

62 Ohm

Split

Termination

62 Ohm

JP6

CAN_L



I²C bus

The PXA270 I²C interface is brought out to the COMs connector J19. See the section

J19 – Serial ports – COM3/4

, page

88

, for connection details.

I²C bus is also used with the Quick Capture interface. See the section Quick Capture camera interface

, page

59

.

The following table lists the on-board I²C devices:

Device name

External General Purpose I/O

On-board GPIO Expander 1

On-board GPIO Expander 2

Temperature Sensor (LM75A)

RTC (Intersil ISL1208)

Config EPROM

I²C address

0x20

0x21

0x22

0x48

0x6F

0x50-0x57

The I²C unit supports a fast mode operation of 400KB/s and a standard mode of

100KB/s.

Fast-mode devices are downward compatible and can communicate with standardmode devices in a 0 to 100KB/s I²C bus system. As standard-mode devices, however, are not upward compatible, they should not be incorporated in a fast-mode I²C bus system as they cannot follow the higher transfer rate and unpredictable states would occur.

The I²C interface does not support the hardware general call, 10-bit addressing, high-speed mode (3.4Mbit/s) or CBUS compatibility.

You should keep the total bus load below 200pF.




The Quick Capture camera interface is a component of Intel Quick Capture technology which provides a connection between the PXA270 processor and a camera image sensor. The Quick Capture interface is designed to work primarily with CMOS-type image sensors and supports up to 4 Megapixel resolution. However, it may be possible to connect some CCD-type image sensors to the PXA27x processor (PXA27x processor), depending on a specific CCD sensor’s interface requirements.

The Quick Capture interface acquires data and control signals from the image sensor, and performs the appropriate data formatting prior to routing the data to memory, using direct memory access (DMA). A broad range of interface and signalling options provides direct connection. The image sensor can provide raw data through a variety of parallel and serial formats. For sensors that provide pre-processing capabilities, the

Quick Capture interface supports several formats for RGB and YCbCr colour space.

The Quick Capture interface signals are connected to the header J9. The I 2 C interface is available on the same header since most of the camera image sensors require an

I 2 C control interface. For I 2

connector , page 82 .

C bus address map on the ZEUS, see the section

I²C bus

on the previous page. For connector details, see the section J9 – Camera interface



External General purpose I/O

A Maxim MAX7313 I²C I/O Expander provides sixteen general purpose input/output lines on the header J7. Each I/O port can be individually configured as either an opendrain current-sinking output rated at 50mA with10K pull-up to 5V, or a logic input with transition detection. The I/O Expander inputs are 5V tolerant.

The I/O Expander is addressable at I²C serial bus address 0x20 and is accessed in fast-mode operation at 400 kbps. On power-up all control registers are reset and the

MAX7313 enters standby mode. Power-up status makes all ports into inputs, so the state of all 17 ports (P0-P16) is logic high (through 10K pull-up to 5V).

See the section

J7 – GPIO connector , page 81

, for connector pinout and mating connector details. The signals on J7 correspond to the pin names of the MAX7313

(P0-P15).

+5V

10K

I2C

PXA270 MAX7313 J7

P(0-15)

P16

Port 16 of the MAX7313 is configured as an interrupt, so that any I/O Expander GPIO pin configured as an input can cause the PXA270 to be interrupted on GPIO1. These can also be used as PXA270 wake-up sources from sleep mode.




There is a Philips LM75A temperature sensor on the ZEUS. The LM75A is a temperature-to-digital converter using an on-chip band-gap temperature sensor and sigma-delta A-to-D conversion technique. The device is also a thermal detector providing an over-temperature detection output (OVERTEMP signal on GPIO96 of

PXA270). The accuracy of LM75A is ±2 °C (at -25 °C to 100 °C), and ±3 °C (at -55 °C to 125 °C). LM75A is connected to the I at I 2 C bus address 0x48.

2 C bus of PXA270 processor, and is accessible



JTAG and debug access

Debug access to the PXA270 processor is via the JTAG connector J5. A standard ARM

20-pin header is used for the JTAG interface. See J5 – JTAG connector , page 79

, for details.

Jumper JP7 needs to be inserted to enable the JTAG interface for PXA270 debug. See

section JP7 - JTAG Enable

, page

95 for details.

The Macraigor Wiggler (see www.macraigor.com/wiggler.htm

) and usb2Sprite (see www.macraigor.com/usb2sprite.htm

) probes have been used to debug the PXA270 processor on the ZEUS. There are many other debug tools that can be interfaced to the ZEUS for access to the JTAG Interface of the PXA270 processor.

In addition to the PXA270, there are two CPLDs (XC9536XL-CS48 and

XC9572XL-CS48) in the JTAG chain on the ZEUS. The BSDL files can be found on the www.xilinx.com

web site.


ZEUS Technical Manual Power and power management

Power and power management

Power supplies

The ZEUS is designed to operate from a single +5V±5% (4.75V to +5.25V) input or the onboard 10V to 30V DC/DC PSU.

DC input voltage (10-30V)

DC input voltage (10-30V) is connected through a front panel locking DC jack J3 (see the section

J3 – Power connector (10-30V) , page 78 ). When operating from the 10 to

30V input, the 5V connector (J2) is NOT fitted. The input rails are protected from overcurrent, overvoltage, undervoltage and reverse battery conditions, and include transient suppression to achieve compatibility with vehicle power supplies. The onboard DC/DC converter can provide a maximum current of 5A at 5V at a temperature range of 0-70°C (32-158°F).

For vehicle-based applications, the supervisory circuit monitors the auxiliary ignition supply input (Vig), and provides feedback of ignition status to the PXA270 (IG_FAIL signal at GPIO115). If the Vig falls below 9.2V, IG_FAIL becomes logic ‘1’. This can be used to instigate an orderly shutdown or to store ignition status data.

5V only operation

For 5V only operation, the ATX style connector J2 is used as the main power input for the ZEUS. In this case, connector J3 and the entire DC/DC PSU circuit is depopulated.

The power connector J2 has a +12V connection too, but it is not required for the ZEUS under normal operation. It can be used to supply +12V to the PC/104 stack if required.

For details of the 5V power connector see the section

J2 – Power connector (5V option) , page 78 . Contact

Eurotech Sales (see page 97

) for details.

If a CompactFlash and an LCD display are used, ensure the total current requirement on the 3.3V rail does not exceed 900mA. Please check the datasheets of the devices you are using.



On-board supplies

There are seven on-board supply voltages derived from the +5V supply. They are listed in the following table:

Supply rail Power domains Voltage Reset threshold

VCC_BATT PXA270 Sleep-control subsystem, oscillators and real time clock

3.3V or 3.0V 2.25V

VCC_CORE PXA270 core and other internal units 0.85V-1.55V 91% of nominal

VCC_PLL PXA270 Phase-locked loops

VCC_SRAM PXA270 Internal SRAM units

1.3V

1.1V

1.18V

1V

+3V3

VCC_PER

PXA270 I/O, PXA270 internal units, on-board 3.3V peripherals

PC/104, Audio Amp, CAN Bus transceiver, External GPIO pull-ups

VCC_MODEM Zeus Modem

3.3V 3.05V

5V 4.63V

5V

(PC/104 only)

NA

Reset will be generated if the supplies fall below the thresholds shown in the table.

VCC_CORE, VCC_PLL and VCC_SRAM rails are controlled by PWR_EN signal of the

PXA270. They are switched off when PXA270 is in sleep or deep-sleep mode.

VCC_PER, VCC_MODEM and +3V3 supply rails are controlled by SYS_EN signal of the PXA270. They are switched off when PXA270 is in deep-sleep mode.

VCC_PER rail is also monitored, and reset will be generated to the PC/104 interface if the voltage falls below 4.63V. This can also generate an interrupt on pin GPIO20 of the

PXA270.

Power management IC

The Linear Technology device LTC3445 is used to provide the power supply for the

PXA270. It is specifically designed for the PXA27x family of microprocessors.

The LTC3445 contains a high efficiency buck regulator (VCC_CORE), two LDO regulators (VCC_PLL, VCC_SRAM), a PowerPath controller and an I 2 C interface. The buck regulator has a 6-bit programmable output range of 0.85V to 1.55V. The buck regulator uses either a constant frequency of 1.5MHz, or a spread spectrum switching frequency. Using the spread spectrum option gives a lower noise regulated output, as well as low noise at the input. In addition, the regulated output voltage slew rate is programmable via the Power Management I 2 C interface of the PXA270.



Battery backup

An on-board non-rechargeable coin cell battery (CR2032) provides a 3V battery backup supply for the ISL1208 RTC, external SRAM and the supply supervisor, when there is no +5V supply to the board. The ZEUS is normally shipped with battery disconnected. See

JP2 – Battery disconnect

, page

93 , for details.

The table below shows the typical and maximum current load on the backup battery:

Device load on battery Typical (µA) Maximum (µA)

ISL1208 RTC (with Clock Out Off)

Supply Supervisor

0.4

0.5

0.95

0.5

An onboard Schottky diode drops 13mV from VBAT at +25°C (+77°F). At -40°C

(-40°F) this may increase to 170mV and at +85°C (+185°F) it may decrease below 10mV. The SRAM and ISL1208 minimum voltages are 1.5V and 1.8V respectively. Reliable operation below these minimum voltages cannot be guaranteed.



Processor power management

First available in the PXA270 processor, Wireless Intel SpeedStep Technology dynamically adjusts the power and performance of the processor based on CPU demand. This can result in a significant decrease in power consumption.

In addition to the capabilities of Intel Dynamic Voltage Management, the Intel XScale micro architecture of the PXA27x family incorporates three new low power states.

These are deep idle, standby and deep sleep. It is possible to change both voltage and frequency on the fly by intelligently switching the processor into the various low power modes. This saves additional power while still providing the necessary performance to run rich applications.

Wireless Intel SpeedStep technology includes the following features:

• Five reset sources: power-on, hardware, watchdog, GPIO and exit from sleep and deep-sleep modes (sleep-exit).

• Multiple clock-speed controls to adjust frequency, including frequency change, turbo mode, half-turbo mode, fast-bus mode, memory clock, 13M mode, A-bit mode and AC ’97.

• Switchable clock source.

• Functional-unit clock gating.

• Programmable frequency-change capability.

• One normal-operation power mode (run mode) and five low power modes to control power consumption (idle, deep-idle, standby, sleep and deep-sleep modes).

• Programmable I 2 C-based external regulator interface to support changing dynamic core voltage, frequency change and power mode coupling.

The PXA270 power consumption depends on the operating voltage and frequency, peripherals enabled, external switching activity, external loading and other factors. The tables below contain power consumption information at room temperature for several operating modes: active, idle and low power. For active power consumption data, no

PXA270 peripherals are enabled except for on-chip UARTs.



Frequency

System bus frequency

520MHz 208MHz

416MHz 208MHz

312MHz 208MHz

312MHz 104MHz

208MHz 208MHz

104MHz 104MHz

13MHz CCCR[CPDIS]=1

PXA270 low power modes

13MHz idle mode (LCD on)

13MHz idle mode (LCD off)

Deep sleep mode

Sleep mode

Standby mode

Active power consumption typ.

Idle power consumption typ.

747 mW

570 mW

390 mW

375 mW

279 mW

116 mW

44.2 mW -

Power consumption typ.

15.4mW

8.5mW

0.1mW

0.16mW

1.7mW

222 mW

186 mW

154 mW

109 mW

129 mW

64 mW

Conditions

VCC_SRAM = 1.1V; VCC_PLL = 1.3V;

VCC_MEM, VCC_BB,

VCC_USIM, VCC_LCD = 1.8V;

VCC_IO, VCC_BATT,VCC_USB=3.0V

VCC_CORE = 1.45V

VCC_CORE = 1.35V

VCC_CORE = 1.25V

VCC_CORE = 1.1V

VCC_CORE = 1.15V

VCC_CORE = 0.9V

VCC_CORE = 0.85V

Conditions

VCC_MEM, VCC_BB, VCC_USIM, VCC_LCD = 1.8V

VCC_IO, VCC_BATT, VCC_USB= 3.0V

VCC_CORE, VCC_SRAM, VCC_PLL = 0.85V


VCC_CORE, VCC_SRAM, VCC_PLL = 0V

VCC_CORE, VCC_SRAM, VCC_PLL = 0V


Wake-up sources

The PXA270 offers two sleep modes:

•

Sleep mode

offers lower power consumption by switching off most internal units.

There is no activity inside the processor, except for the units programmed to retain their state in the PSLR register, the real time clock and the clocks and power manager. Because internal activity has stopped, recovery from sleep mode must occur through an external or internal real time clock event. External wake-up sources are GPIO<n> edge detects (they are listed in the section

PXA270 GPIO pin assignments

, page

22 ).

•

Deep-sleep mode

offers the lowest power consumption by powering most units off.

There is no activity inside the processor, except for the real time clock (RTC) and the clocks and power manager. Because internal activity has stopped, recovery from deep-sleep mode must be through an external event or an RTC event. In deep-sleep mode, all the PXA270 power supplies (VCC_CORE, VCC_SRAM,

VCC_PLL, VCC_IO excluding VCC_BATT) are powered off for minimized power consumption. On the ZEUS, the main +3.3V rail supplies the VCC_IO power domain of the PXA270. Since the +3.3V supply is switched off in deep-sleep mode, all the onboard peripherals are powered off and it is not possible to use external wake-up sources. In this situation, recovery from deep-sleep mode must be through an internal RTC event.

For more information on PXA270 power management, see section 3.6 in the Intel

PXA27x Processor Family Developer’s Manual

, included on the Development Kit CD.



Peripheral devices power management

The following table gives the estimated power consumption of on-board peripherals:

On-board peripheral

Quad UART

Maximum power consumption

66mW ([email protected])

Low power mode

Minimum consumption Operating mode

10mW ([email protected]) Idle

Ethernet 2x

DM9000A


CAN MCP2515 50mW (10mA@5V)

CAN transceiver 375mW (75mA@5V)

80mW


0.025mW (5uA@5V)

1.8mW (200uA@5V)

0.001mW

Power-down

Sleep

Standby

OFF AC’97 Codec

WM9712L

Boomer Amp

LM4880

30mW (6mA@5V) 0.025mW (5uA@5V) Shut-down

SDRAM x4

Flash

SRAM

RS485

2640mW ([email protected]) 26.4mW ([email protected]) Power-down



6.6mW ([email protected])




Standby

Standby

Disable

CPLD x2 66mW ([email protected]) 20mW ([email protected])

LVDS transceiver 165mW ([email protected]) 0.17mW (55uA@3V)

Idle

Power-down

I/O expander x2 1.6mW ([email protected]) 0.02mW ([email protected]) Idle

RTC 0.4mW ([email protected]) 0.012mW ([email protected]) Idle

0.010mW ([email protected]) Shut-down Temperature sensor


Config PROM 3.3mW ([email protected]) 0.003mW ([email protected]) Standby

Total 4.5W 102mW

External peripheral devices include CF+ card (1.5W max), two USB devices (5W max), add-on PC/104 cards (5W max), wireless modem (8.5W peak), LCD and Inverter (4W max), GPS module (50mW max), ZigBee module (30mW max), SDIO (350mW max) and Quick Capture camera (50mW max).



The table below gives examples of power drawn by specific external peripheral devices:

Device

64MB Sandisk

CompactFlash

Part number

SDCFJ-64

Condition Power (mW)

Sleep 1

Writing consistently 220

Socket WiFi 802.11b

SDIO

WL6200-480

64MB FlashDio USB memory stick

FDU100A

Idle (listening)

Transmitting 925

Inserted (no access)

Reading consistently

50

375

605

NEC 5.5" LCD +

Inverter

GSM/GPRS module

NL3224BC35-20

+ 55PW131

Siemens MC39i

LCD and backlight on 3250

LCD on and backlight off 825

Data mode GPRS 900

Power down mode

2100

0.18

GPS module

ZigBee module

VGA CMOS sensor module

Fastrax iTRAX03/08

Eurotech ZM1

Dialog DA3520

Continuous mode

Sleep mode

100

0.06

Rx 25

Power down 0.1

Active 50

When PXA270 is placed in deep-sleep mode, the power to all the peripherals

(on-board and external) is switched off by SYS_EN signal of the PXA270.



CompactFlash power management

The power supply to the CompactFlash interface is controlled via software, and supports hot swap card insertion and CompactFlash power down states. GPIO97 on the PXA270 (signal CF_PWEN) is used to control the power supply switch. Setting this line to logic ‘0’ switches off the power to the CompactFlash interface. The currentlimiting (1A) and thermal protection features of the power switch eliminate the need for the fuse. The power supply to the CompactFlash is derived from 3.3V supply.

CPU_ GPIO97 (CF_PWEN) CF power

Wireless modem power management

The power supply to the wireless modem interface (VCC_MODEM) is controlled by

SYS_EN signal of the PXA270, and is switched off when PXA270 is in deep-sleep mode. The current-limiting (2A) and thermal protection features of the power switch eliminate the need for the fuse. VCC_MODEM power supply is derived from the ZEUS

+5V supply.

GSM_ON and GPS_ON control signals are provided on the ZEUS Modem connector

(J23). They are controlled by on-board GPIO expander (see On-Board GPIO expanders pin assignments , page 29

). For details on how to use these signals, and other power management features of the specific wireless and GPS devices, please consult the datasheet of the device used.

USB power management

A USB power control switch controls the power, and protects against short-circuit and over-current conditions, on USB host ports.

If the USB voltage VBUSx is short-circuited, or more than 500mA is drawn from any

VBUSx supply, the switch turns off the power supply and protects the device and board automatically. The VBUSx power supplies are derived from the ZEUS +5V supply.

The following table shows the PXA270 assignments for power enable and over-current signals:

Host 1/2 functions PXA270 GPIO Active

USB_PWE1 GPIO89 High

USB_OC1# GPIO88 Low

USB_PWE2 GPIO22 High

USB_OC2# GPIO114 Low



Ethernet power management

The Ethernet controllers (Davicom DM9000A) incorporate a number of features to maintain the lowest power consumption.

The device can be put into a power-reduced mode by setting the PHY control register bit 16.4. In power-reduced mode, the device transmits the fast link pulses with minimum power consumption. It also monitors the media for the presence of a valid signal and, if detected, the device automatically wakes up and resumes normal operation. The power consumption in power-reduced mode (without the cable) is

31mA.

The PHY can be put into a sleep mode by setting the PHY control register bit 16.1, which powers down all the circuits except the oscillator and clock generator circuit.

The PHY can be put into a power-down mode by setting the PHY control register bit

0.11, which disables all transmit and receive functions but not access to PHY registers.

The power consumption in power-down mode is 63mW. The system clock can be turned off, by using the SCCR register (bit 0) of DM9000A, to further reduce the power consumption to 22mW.

For more information about power management, refer to the DM9000A datasheet on the Development Kit CD.

Audio power management

The audio CODEC (Wolfson WM9712L) supports the standard power down control register defined by AC’97 standard (26h). In addition, the individual sections of the chip can be powered down through register 24h. Significant power savings can be achieved by disabling parts of WM9712L that are not used.

Shutting down all the clocks and digital and analogue sections can reduce WM9712L consumption down to near zero (1.65μW).

For more information about power management, refer to the WM9712L datasheet on the Development Kit CD.

LVDS power management

If not used, the DS90C363 LVDS transmitter can be placed in power down mode by applying a low-level to GPIO21 of PXA270 (signal LVDS_EN). The power consumption in power down mode is 180μW.

CPU_ GPIO21 (LVDS_EN)

0

LVDS operation status

Power down mode



CAN bus power management

The Microchip MCP2515 CAN bus controller has an internal sleep mode that is used to minimize the current consumption of the device. The SPI interface remains active for reading even when the MCP2515 is in sleep mode, allowing access to all registers. To enter sleep mode, the mode request bits are set in the CANCTRL register

(REQOP<2:0>).

When in internal sleep mode, the wake-up interrupt is still active (if enabled) which means that upon detecting activity on the bus, it can be used as a wake-up source for

PXA270. When in sleep mode, the MCP2515 stops its internal oscillator. The

MCP2515 will wake up when bus activity occurs, or when the PXA270 sets the

CANINTF.WAKIF bit to ‘generate’ a wake-up attempt, via the SPI interface. The power consumption in sleep mode is near zero (15μW).

The transceiver device (MCP2551) may be placed in sleep mode by applying a highlevel to GPIO2 of Expander 2 (I2C address 0x22, signal CAN_SHDN). In sleep mode, the transmitter is switched off and the receiver operates at a lower current. The receive pin on the controller side (RXD) is still functional but will operate at a slower rate. The power consumption in sleep mode is 1.8mW.

EXP2_GPIO2 (CAN_SHDN) MCP2551 operation status

For more information about power management, refer to the MCP2515 and MCP2551 datasheets

contained on the Development Kit CD.

Clock generator power management

Two clock synthesizer IC’s (Cypress CY22381) can be placed in low power mode by shutting down the clock outputs in case the corresponding interfaces are not used. You can do this by applying a low-level to the GPIO0 pin on the Expander 2 (I2C address

0x22, signal CLK_SHDOWN#). The following clocks are affected:

• ST16C554Q UART 14.7456MHz clock.

• Ethernet PHY 25MHz clock.

• PC/104 8MHz and 14MHz clocks.

• CAN bus 16MHz clock.

• Audio clock 24.576MHz.

This can reduce the power consumption of each clock generator IC down to 66 μW.

EXP2_GPIO0 (CLK_SHDOWN#) Clock operation status



COM Ports power management

RS232 transceivers can be placed in low power mode in case they are not used. This can reduce the power consumption of each RS232 transceiver down to 33 μW. GPIO pins 3 and 4 of Expander 2 (I2C address 0x22) are used to shut down COM1 and

COM2. GPIO pin 1 of Expander 1 (I2C address 0x21) is used to shut down COM3.

EXP2_GPIO3 (U1_RS232_SHDN#) COM1 RS232 operation status

EXP2_GPIO4 (U2_RS232_SHDN#) COM2 RS232 operation status

EXP1_GPIO1 (U3_RS232_EN)

0

COM3 RS232 operation status

RS232 Shutdown mode

(RS422/485 enabled)

Temperature sensor power management

The LM75A device can be set to operate in two modes: normal or shut-down. In normal operating mode, the temp-to-digital conversion is executed every 100ms and the Temp register is updated at the end of each conversion. In shut-down mode, the device becomes idle, data conversion is disabled and the Temp register holds the latest result. However, the device I 2 C interface is still active and register write/ read operation can be performed. The device operating mode is controllable by programming bit B0 of the configuration register. The temperature conversion is initiated when the device is powered-up or put back into normal mode from shut-down.

The power consumption in shut-down mode is near zero (11.5μW).

For more information about power management, refer to the LM75A datasheet

on the

Development Kit CD.

I/O expander power management

When the serial I 2 C interface is idle and the PWM intensity control is unused, the

MAX7313 automatically enters standby mode. If the PWM intensity control is used, the operating current is slightly higher because the internal PWM oscillator is running. The power consumption in standby mode (with PWM disabled) is near zero (4μW).

Configuration PROM power management

When the serial I 2 C interface is idle the 24AA01 automatically enters standby mode.

The power consumption in standby mode is near zero (3.3μW).


ZEUS Technical Manual Connectors, LEDs and jumpers

Connectors, LEDs and jumpers

The following diagram shows the location of the connectors, LEDs and jumpers on the

ZEUS:

J4 J7 JP2 JP3 J9 J24 J14 JP4

J5

JP1

J1

J2

J16

JP5&JP6

J17

J18

J19

J3 D3 J6 J8 J10 J11 J12&13 D10 J15

J3 D3 J6 J8 J11 J15



J21 J22


J20

J23

The connectors on the following pages are shown in the same orientation as the pictures above, unless otherwise stated.



Connectors

There are 24 connectors on the ZEUS for accessing external devices:

Connector Function

J3

Connector details in section…

controller , page 77

Power (10-30V DC)

J2 – Power connector (5V option) , page 78

J3 – Power connector (10-30V) , page 78

(Please note that J3 is not fitted when J2 is

fitted. See the sections J2 – Power connector

(5V option) , page 78

, and

J3 – Power connector

(10-30V) , page 78 , for details.)

J14

J15

J16

J4 Audio

J5 JTAG

J4 – Audio connector , page 79

J5 – JTAG , page 79

J7 GPIO

Ethernet , page 80

J7 – GPIO , page 81

J11

J12

J13

J8 Dual USB host

J8 – USB , page 81

J9 Camera

J9 – Camera interface connector

, page

82

Serial port – COM1

J10 – USB client header , page 82

J11 – Serial port – COM1 , page 83

64-way PC/104 expansion

J12 & J13 – PC/104

, page

84

40-way PC/104 expansion

J12 & J13 – PC/104

, page

84

J18

LCD panel interface

Serial port – COM2

J14 – LCD

, page

85

J15 – Serial port – COM2 , page 86

LCD panel LVDS interface

J16 – LVDS

, page

86

J17 – CAN bus , page 87

Serial port (RS422/485)

J18 – Serial port (RS485/422) , page 87

continued…




J19 Serial ports (COM3/4)

J21 IEEE802.15.4 / ZigBee

J22 SDIO

Connector details in section…

J19 – Serial ports – COM3/4

, page

88

J20 – CompactFlash , page 89

J21 – IEEE802.15.4 / ZigBee connector

, page

90

J22 – SDIO socket , page 90

J23 – Wireless modem/GPS module interface

,

page 91

J24 – Backlight power , page 92

J1 – Touchscreen connector

Connector: Neltron 2417SJ-5-F4, 5-way, 2mm (0.079") pitch wire-to-board header

Mating connector: Molex 87369-0500 2mm (0.079") pitch crimp housing

Mating crimps: Molex 50212

1 TSRY+/TR

2 TSRY-/BL

3 TSRX+/BR

4 TSRX-/TL

5 TSW

5

1



J2 – Power connector (5V option)

Connector: Neltron 5566S-08, 8-way, 4.2mm (0.165") pitch mini fit header

Mating connector: Molex 39-01-2085, 8-way, 4.20mm (0.165") pitch mini-fit, receptacle housing

Mating crimps: Molex 44476-1112

Pin Signal name

1 GND

2 GND

Pin Signal name

5 +5V

6 +5V

5 1

3 GND 7 +5V

8

4 +12V 8 NC

+12V connection is defined, but is not required for the ZEUS under normal operation. It can be used to supply +12V to the PC/104 stack if required.

J3 is not fitted when J2 is fitted.

4

J3 – Power connector (10-30V)

Connector: Kycon KPJX-4S-S, 4-way DC power socket

Mating connector: Kycon KPPX-4P plug

1 PWR_IN

2 IGNITION

3 GND_IN

4 GND_IN

J2 is not fitted when J3 is fitted.

1

3

2

4

As viewed from the front panel



J4 – Audio connector

Connector: Neltron 2417SJ-12-PHD, 12-way, 2mm header

Mating connector: JST PHDR-12VS

Mating crimps: JST SPHD-002T-P0.5

Pin Signal name

1 LEFT IN

3 GND

Pin Signal name

2 LEFT OUT

4 GND

1 11

7 GND

9 MIC VREF OUT 10 MIC IN

11 AMP RIGHT OUT 12 GND

2

J5 – JTAG connector

Connector: Oupiin 2015-2x10-G-D W/ROHS, 20-way, 2.54mm (0.1") header

Mating connector: FCC 71600-020LF

Pin Signal name

1 +3V3

3 TRST#

5 TDI

7 TMS

9 TCLK

11 NC

13 TDO

15 SRST#

17 NC

19 NC

Pin Signal name

2 NC

4 GND

6 GND

8 GND

10 GND

12 GND

14 GND

16 GND

18 GND

20 GND

20

2

12

19

1



J6 – Ethernet connector

Connector: Dual RJ45 shielded with LEDs, Xmultiple XRJM-S-02-8-8-1

Pin Signal name

1A TX0+

2A TX0-

3A RX0+

4A N.C.

5A N.C.

6A RX0-

7A N.C.

Pin Signal name

1B TX1+

2B TX1-

3B RX1+

4B N.C.

5B N.C.

6B RX1-

7B N.C.

8A N.C. 8B N.C.

9A LED0_SPEED# 9B LED1_SPEED#

10A +3V3 10B +3V3

11A LED0_LINK# 11B LED1_LINK#

12A +3V3 12B +3V3

ETH0

LINK/ACT 100

ETH1

8A 1A 8B 1B




J7 – GPIO connector

Connector: Molex 87832-2020, 20-way, 2mm (0.079") header

Mating connector: Molex 51110-2051, 2mm (0.079") pitch, milli-grid crimp housing


Pin Signal name

1 +5V

3 P0

5 P2

7 P4

9 P6

11 GND

13 P8

15 P10

17 P12

19 P14

Pin Signal name

2 +5V

4 P1

6 P3

8 P5

10 P7

12 GND

14 P9

16 P11

18 P13

20 P15

19

20

1

2

J8 – USB connector

Connector: USB type A dual stacked connector

Pin Signal name

1 VBUS1

2 D1-

3 D1+

4 GND

Pin Signal name

5 VBUS2

6 D2-

7 D2+

8 GND

PORT 2

5 6 7 8

1 2 3 4

PORT 1




J9 – Camera interface connector

Connector: Neltron 2417RJ-20-PHD 'LEAD FREE', 20-way, 2mm (0.079") header

Mating connector: JST PHDR-20VS

Mating crimps: JST SPHD-002T-P0.5

Pin Signal name

1 +3V3

Pin Signal name

2 +2V8

3 CIF_MCLK 4 CIF_PCLK

5 CIF_LV 6 CIF_FV

7 CIF_DD0 8 CIF_DD1

9 CIF_DD2 10 CIF_DD3



15 I2C_SCL 16 I2C_SDA


19 GND 20 GND

1

2

1 9

As viewed from the connector pins

20

J10 – USB client header

Connector: Oupiin 2011-1x5-G-S W/ROHS, 2.54mm (0.1") header

Mating connector: Molex 22-01-2055 2.54mm (0.1") pitch crimp terminal housing


1 NC

2 D2-

3 D2+

4 GND

5 GND

1 5



J11 – Serial port – COM1

Connector: 9-pin D-type Plug male type

1 DCD1

2 RX1

3 TX1

4 DTR1

5 GND

6 DSR1

7 RTS1

8 CTS1

9 RI1


1 5

6 9



J12 & J13 – PC/104 connectors

Connector:

• Samtec ESQ-132-12-G-D, 64-way, 2.54mm (0.1") PC/104 compatible connector

(row A & B)

• Samtec ESQ-120-14-G-D, 40-way, 2.54mm (0.1") PC/104 compatible connector

(row C & D)

Pin Row D

J13 J12

Row C Pin Row A Row B

1 IOCHCK# GND

2 D7

3 D6

4 D5

5 D4

6 D3

RSTDRV

+5V

7 D2

8 D1

0 GND GND 9 D0

1 MEMCS16#

IRQ9

NC

(DRQ2)

NC

NC

+12V

SBHE# 10 IOCHRDY KEY

2 IOCS16# LA23 11 AEN

3 IRQ10 LA22 12 A19

4 IRQ11 LA21 13 A18

5 IRQ12 LA20 14 A17

6 IRQ15 LA19 15 A16

7 IRQ14 LA18 16 A15

8 NU (DACK0) LA17

9 NU

17 A14

(DRQ0) MEMR# 18 A13

10 NU (DACK5) MEMW# 19 A12

11 NU (DRQ5) D8

12 NU (DACK6) D9

13 NU (DRQ6) D10

14 NU (DACK7) D11

15 NU (DRQ7) D12

20 A11

21 A10

16 +5V D13

17 NC (Master) D14

18 GND

19 GND

D15

KEY

22 A9

23 A8

24 A7

25 A6

26 A5

27 A4

28 A3

A2

30

A0

32

SMEMW#

SMEMR#

IOW#

IOR#

(DACK3)

NU

NU (DACK1)

NU (DRQ1)

NU (REFSH)

8MHz Clk

IRQ7

IRQ6

IRQ5

IRQ4

IRQ3

NU (DACK2)

NU (TC)

BALE

+5V

OSC

GND

GND

NU – Not Used



J14 – LCD connector

Connector: Oupiin 3214-40GRB, 40-way, 1.27mm (0.05") x 2.54mm (0.1") right angled boxed header

Mating connector:

Oupiin 1203-40GB (available from Eurotech Sales

on request - see page

97 for contact details)

Pin Signal name

1 BKLEN

3 PWM0

5 NEGBIAS

7 GND

9 FPD1

11 FPD3

13 FPD5

15 GND

17 FPD7

19 FPD9

21 FPD11

23 GND

25 FPD13

27 FPD15

29 FPD17

Pin Signal name

2 BKLSAFE

4 LCDSAFE

6 POSBIAS

8 GND

10 FPD0

12 FPD2

14 FPD4

16 GND

18 FPD6

20 FPD8

22 FPD10

24 GND

26 FPD12

28 FPD14

30 FPD16

31 GND

33 BIAS / DE

32 GND

34 GND

35 FCLK / VSYNC 36 GND

37 LCLK / HSYNC 38 GND

39 PCLK / CLOCK 40 GND




J15 – Serial port – COM2

Connector: 9-pin D-type plug, male type

1 DCD2

2 RX2

3 TX2

4 DTR2

5 GND

6 DSR2

7 RTS2

8 CTS2

9 RI2

1

6 9

5

J16 – LVDS connector

Connector: Hirose DF13-20DP-1.25V(55), 1.25mm pitch double row straight pin header

Mating connector: Hirose DF13-20DS-1.25C

Mating crimps: Hirose DF13-2630SCFA

Pin Signal name

1 +3V3

3 GND

5 LVDS_D0-

7 GND

9 LVDS_D1+

11 LVDS_D2-

13 GND

15 LVDS_CLK+

17 NC

19 GND

Pin Signal name

2 +3V3

4 GND

6 LVDS_D0+

8 LVDS_D1-

10 GND

12 LVDS_D2+

14 LVDS_CLK-

16 GND

18 NC

20 MSL

2

20

1

19



J17 – CAN bus




1

2 CANH

3 CAN_SCRN

4 CANL

5 GND

5

J18 – Serial port (RS485/422) – COM3




RX3/TX3- (RS485) 5

3

4

RX3/TX3+ (RS485)

RX3- (RS422)

RX3+ (RS422)

5 GND

1



J19 – Serial ports – COM3/4

Connector: Oupiin 3012-20GRB W/ROHS, 20-way, 2.54mm (0.1") dual row IDC boxed header

Mating connector: FCC 71600-020LF

Pin Signal name

1 I2C_SCL

3 GND (I²C )

(RS422)

(TX4+/RX4+ RS485)

7 RX4+ (RS422)

9 GND

11 DCD3

13 RX3

15 TX3

17 DTR3

19 GND

Pin Signal name

2 I2C_SDA

4 3.3V (I²C )

(RS422)

(TX4-/RX4- RS485)

8 RX4- (RS422)

10 GND

12 DSR3

14 RTS3

16 CTS3

18 RI3

20 NC

19

20

1

2




J20 – CompactFlash connector

Connector: 3M N7E50-M516RB-50 , 50-way CompactFlash type II connector

Pin Signal name

1 GND

3 D4

5 D6

7 CE1#

9 OE#

11 A8

13 +3.3V

15 A5

17 A3

19 A1

21 D0

23 D2

25 CD2#

27 D11

Pin Signal name

2 D3

4 D5

6 D7

8 A10

10 A9

12 A7

14 A6

16 A4

18 A2

20 A0

22 D1

24 IOCS16#

26 CD1#

28 D12

29 D13

31 D15

30 D14

32 CE2#

33 GND

35 IOWR#

34 IORD#

36 WE#

37 RDY/BSY 38 +3.3V

39 GND 40 NC

41 RESET# 42 WAIT

43 NC

45 NC

44 REG#

46 NC

47 D8

49 D10

48 D9

50 GND

1

50



J21 – IEEE802.15.4 / ZigBee connector

Connector: Harwin M50-4321005, 20-way, 1.27mm dual row socket

Mating connector: M50-4921005, 20-way, 1.27mm dual row header

Pin Signal name Pin Signal name

1 +3V3

3 GND

2 +3V3

4 GND

5 NC 6 RESET#

7 ZB_BTRXD 8 ZB_BTTXD

2

11 NC

13 NC

15 NC

17 NC

19 NC

12 NC

14 NC

16 NC

18 NC

20 NC

1

20

19

J22 – SDIO socket

Connector: Molex 67913-0002, 2.50mm (0.098") Pitch SDIO Memory Card Connector,

Reverse-Mount Type

1 MMDAT3

2 MMCMD

3 GND

4 +3V3

5 MMCLK

6 GND

7 MMDAT0

8 MMDAT1

9 MMDAT2

10 MMC_WP

11 +3V3

12 MMC_CD



J23 – Wireless modem/GPS module interface

Connector: Hirose DF17(4.0)-40DP-0.5V(57), 40-way, 0.5mm pitch header

Mating connector: Hirose DF17(3.0)-40DS-0.5V(51), 40-way, 0.5mm pitch socket


1 VCC_MODEM 2 VCC_MODEM





11 VCC_MODEM 12 GSM_STS

13 GSM_FFTXD 14 GSM_FFRXD

39 1

17 GSM_FFRTS# 18 GSM_FFRI#

19 GSM_ON 20 GSM_FFDCD#

21 PTT 22 GSM_FFCTS#

23 GPS_PSUON 24 GPS_BOOT

25 +3V3

27 GPS_ON

26 +3V3

28 GPS_PPS

29 GPS_STDTXD 30 GPS_STDRXD

31 GND 32 GND

33 GND

35 GND

37 GND

39 GND

34 GND

36 GND

38 GND

40 GND

40 2

If you require a custom wireless modem adapter, please contact the Eurotech

Sales team (see page 97

).



J24 – Backlight power (for flat panel displays)

Connector: Molex 53047-0710, 7-way 1.25mm (0.049") pitch header with friction lock

Mating connector: Molex 51021-0700, 7-way 1.25mm (0.049") housing, female


1 BKLSAFE

2 BKLSAFE

3 GND

4 GND

5 BKLEN

6 BRT_CTRL

7 GND

1

7



Jumpers

There are six user selectable jumpers on the ZEUS. Their use is explained below.

JP1 – User jumpers

Connector: 8-way, 2.54mm (0.1") dual row through-hole header name Pin Signal

1 GND

3 GND

5 GND

7 GND

8

2

These are four user configurable jumpers connected to GPIO pins of PXA270 and

MAX7313 GPIO Expander 1.

JP1 Description

GPIO read as ‘0’

GPIO read as ‘1’ (Default)

User jumpers 1 and 2 (GPIO 13 and 91) may be connected to an external momentary push switch and used to wake the ZEUS from sleep.

7

1

JP2 – Battery disconnect

Connector: 2-way, 2.54mm (0.1") through-hole header

2 Battery Backup switch input

Normally supplied with jumper removed.

This jumper is used to disconnect the backup battery to prevent it from draining.

JP2 Description

Battery connected

Battery disconnected (default)

1 2



JP3 – LCD logic supply selection

Connector: 3-way, 2.54mm (0.1") single row through-hole header

1 +5V

2 LCD Logic Supply

3 +3V3

This jumper selects the supply voltage for the LCD logic supply.

JP3 Description

3 1

Supply LCD Logic with 5V

3 1

Supply LCD Logic with 3.3V (Default)

If the LCD requires a 5V supply, please refer to the LCD datasheet to ensure that the display is compatible with 3.3V logic.

3 1

JP4 – LVDS MSL selection


1 MSL

2 3.3V

This is an optional LVDS Mode select signal (routed to LVDS connector J16, pin 20).

JP4 Description

MSL set to ‘1’

MSL set to ‘0’ (Default)

1

2



JP5 & JP6 – CAN bus termination


JP5

Pin Signal name

1 CANH

JP6

Pin Signal name

1 Centre tap

2 CANL

JP5 & JP6 Description

62Ω Termination connected

62Ω Termination disconnected

(default)

JP5

2 1

JP6

1 2

Only insert jumpers JP5 and JP6 if the ZEUS is at the end of the network.

JP7 - JTAG Enable


2 VCC_JTAG

This jumper is used to enable debug of PXA270 using JTAG interface.

JP7 Description

JTAG Enable

Normal Operation (Default)

Only insert jumper JP7 for JTAG access to PXA270.

2

1



Status LEDs

Flash LED

There is a single status LED (D10) on the ZEUS, which indicates access to the Flash memory.

User LEDs

There are three user LEDs on the ZEUS front panel (D3). They are connected to the

GPIO pins of the on-board GPIO Expander 1 MAX7313 (I shown in the table below:

2 C bus address 0x21), as

EXP1_GPIO Signal Active

LED1

LED2

LED3



ZEUS Technical Manual Appendix A - Contacting Eurotech

Appendix A - Contacting Eurotech

Eurotech sales

Eurotech’s sales team is always available to assist you in choosing the board that best meets your requirements.

Eurotech Ltd

3 Clifton Court

Cambridge

CB1 7BN

UK

Tel: +44 (0)1223 403410

Fax: +44 (0)1223 410457

Email: [email protected]

Comprehensive information about our products is also available at our web site: www.eurotech-ltd.co.uk

.

While Eurotech’s sales team can assist you in making your decision, the final choice of boards or systems is solely and wholly the responsibility of the buyer.

Eurotech’s entire liability in respect of the boards or systems is as set out in

Eurotech’s standard terms and conditions of sale. If you intend to write your own low level software, you can start with the source code on the disk supplied.

This is example code only to illustrate use on Eurotech’s products. It has not been commercially tested. No warranty is made in respect of this code and

Eurotech shall incur no liability whatsoever or howsoever arising from any use made of the code.

Eurotech technical support

Eurotech has a team of dedicated technical support engineers available to provide a quick response to your technical queries.

Tel: +44 (0)1223 412428

Fax: +44 (0)1223 410457

Email: [email protected]

Eurotech Group

Eurotech Ltd is a subsidiary of Eurotech Group. For further details see www.eurotech.com


ZEUS Technical Manual Appendix B - Specification

Appendix B - Specification

Microprocessor

• PXA270 312/416/520MHz processor (520MHz as standard option).

Cache

• 32K data cache, 32K instruction cache, 2K mini data cache.

System memory

• Fixed on-board memory: 64/128MB/256MB SDRAM (32-bit wide SDRAM data bus).

Flash memory

• Fixed on-board memory: 32/64MB Flash.

SRAM

• 256KB of SRAM - battery backed on board.

• 256KB of SRAM internal to PXA270.

Serial ports

• 4x UART fast serial ports:

- 4x 16550 compatible UARTs (921.6 Kbaud):

- 1x RS422/485 (software selectable).

- 1x RS232/422/485 (software selectable).

- 2x RS232.

USB support

• 2x USB 1.1 host controller ports.

• USB 1.1 client controller port (software selectable on port 2).

Network support

• 2x IEEE 802.3u 10/100Base-T Ethernet controllers.

• Option for external PoE.


• GPS with full PVT functionality on low profile add-on module.

• GSM/GPRS, iDEN, CDMA modem on low profile add-on module.

• IEEE802.15.4 / ZigBee radio interface on low profile add-on module.


• Compact Flash CF+ extension socket.

• SDIO socket to support MMC/SD/SDIO cards.

• 16-bit PC/104 interface.

Date/time support

• Real time clock – battery backed on-board.

• Accuracy +/- 1min/month.


ZEUS Technical Manual Appendix B - Specification

Video

• 18-bit flat panel interface for STN and TFT displays.

• Optional LVDS interface.

Audio and touchscreen

• AC’97 compatible CODEC.!

• Touchscreen support – 4/5-wire analogue resistive.


• Intel Quick Capture technology.

I 2 C bus

• Multi-master serial bus.

Configuration EPROM

• I 2 C EPROM for storing configuration data.

CAN bus

• Optional CAN 2.0B protocol controller and opto-isolated transceiver.

Watchdog timer

• External to PXA270, generates reset on timeout. Timeout range 1ms-60s.

General I/O

• 16 x general purpose I/O.


• I 2 C temperature sensor.

User LEDs

• Front panel user LEDs (3x yellow).

Test support

• JTAG interface (standard 20-pin ARM header).

Power requirements

• 5V +/-5% operation (ATX style connector) or vehicle compatible 10-30V input (front panel connector).

• Consumption: 2W typical (no CF, LCD, PC/104, USB devices fitted).

• Sleep mode: 20mA (100mW) typical.

Mechanical

• EPIC form factor (115mm x 165mm).

Environmental

• Operating temperature:

- Commercial: -20°C (-4°F) to +70°C (+158°F).

- Industrial: -40°C (-40°F) to +85°C (+185°F).

• Humidity: 10% to 90% RH (non-condensing).

• RoHS Directive (2002/95/EC) compliant.



Appendix C - Mechanical diagram

All dimensions are shown in mm.

Appendix C - Mechanical diagram


ZEUS Technical Manual Appendix C - Mechanical diagram

When mounting the ZEUS use only M3 (metric) or 4-40 (Imperial) screws. The mounting pad is 6.35mm (0.25") and the hole is 3.175mm (0.125"), so ensure any washers fitted are smaller than the pad.

Using oversized screws and washers, or tooth locking washers, can cause short circuits and over-voltage conditions.

We recommend that you use a Loctite screw thread lock or a similar product over tooth locking washers.


ZEUS Technical Manual Appendix D - Reference information

Appendix D - Reference information

Product information

Product notices, updated drivers, support material, 24hr-online ordering: www.eurotech-ltd.co.uk

EPIC information

Embedded Platform for Industrial Computing: www.pc104.org/technology/PDF/EPIC_Spec_2.0.pdf

PC/104 Consortium

PC/104 Specifications - vendor information and available add on products: www.pc104.org

USB information

Universal Serial Bus (USB) specification and product information: www.usb.org

SDIO card information

SD Card Association and product information: www.sdcard.org www.sdcard.com

CompactFlash information

CompactFlash Association and product information: www.compactflash.org

ZigBee information

ZigBee Alliance: www.zigbee.org

Davicom Semiconductor Inc

Davicom DM9000A Ethernet Controller documentation: www.davicom.com.tw/eng/index.htm


ZEUS Technical Manual Appendix D - Reference information

Intel

PXA270 processor documentation: www.intel.com

Marvell

PXA270 processor documentation:

www.marvell.com

Exar Corporation

Exar XR16C554DCQ Quad UART documentation: www.exar.com

Wolfson Microelectronics

Wolfson WM9712L AC’97Codec documentation: www.wolfson.co.uk

Spansion

S29GL-N MirrorBit TM Flash Family documentation: www.spansion.com

Intersil

RTC ISL1208 documentation: www.intersil.com

Microchip

CAN Bus Controller/Transceiver MPC2515/MPC2551 documentation and 24AA01

EEPROM documentation: www.microchip.com

Maxim

GPIO Expander MAX7313 documentation: www.maxim-ic.com

Philips

Temperature Sensor LM75A documentation: www.philips.com


ZEUS Technical Manual Appendix E - Wireless modem datasheets

Appendix E - Wireless modem datasheets

Sony Ericsson GR64





Siemens MC39i






Fastrax iTrax03/08






Motorola iO270






Telit GE863-GPS






Sierra Wireless MC8775






Sierra Wireless MC5720





ZEUS Technical Manual Appendix F - ZEUS Modem details

Appendix F - ZEUS Modem details

ZEUS Modem-1

The following photos show the ZEUS Modem-1 with Fastrax GPS receiver and three possible options for wireless modem.

J9 – iO270 audio

JP1 J4 J3 J1

SIM select SIM card iO270 SONY GR64

ZEUS host interface

GPS

J2

MC39i

ZEUS Modem-2

The following photos show the ZEUS Modem-2 with Telit option for wireless modem.

J4 card

ZEUS host U7 interface

GE683-GPS



ZEUS Modem-3

The following photos show the ZEUS Modem-3 with Fastrax GPS receiver and several possible options for Sierra Wireless embedded modules.

J2 – Sierra wireless

USB data (see below)

J4 –

SIM card

J1 – Sierra

Wireless module

ZEUS host

GPS

interface

J2 –Sierra wireless USB data connector

Connector: NELTRON 2417RJ-3-F4, 3-way 2mm header

Mating connector: JST PHR-3 , 3-way 2mm housing, female

Mating crimps: JST SPH-002T-P0.5S

1 SHIELD

2 DATA-

3 DATA+



ZEUS Modem connector details

ZEUS host interface

Module connector: Hirose DF17(3.0)-40DS-0.5V(51), 40-way, 0.5mm pitch socket

Host connector: Hirose DF17(4.0)-40DP-0.5V(57), 40-way, 0.5mm pitch header







11 VCC_MODEM 12 GSM_STS

13 GSM_FFTXD 1 14 GSM_FFRXD 1

15 GSM_FFDTR# 1 16 GSM_FFDSR# 1

17 GSM_FFRTS# 1 18 GSM_FFRI# 1

19 GSM_ON

21 PTT

20 GSM_FFDCD# 1

22 GSM_FFCTS# 1

23 GPS_PSUON 24 GPS_BOOT

25 +3V3 26 +3V3

27 GPS_ON 28 GPS_PPS

29 GPS_STDTXD 30 GPS_STDRXD

31 GND

33 GND

35 GND

37 GND

39 GND

32 GND

34 GND

36 GND

38 GND

40 GND

2

40

1

39

Note 1: Not used on Zeus Modem-3.



The following table shows the functions of control/status pins on the host interface:

EXP1_GPIO Signal name Dir

7

8

9

10

11

PTT

GSM_ON

GSM_STS

GPS_ON

Output

Input

Output

Input

GPS_PSUON Input

Active Function

High Push To Talk. See note 1

See note 2 Modem enable

High

High

High

Modem ON/OFF status

GPS module enable

Not Used (PU keeps it at logic ‘1’)

13 GPS_PPS Output NA GPS Pulse Per Second

Note 1: Only available with iDEN modules.

Note 2: Please see the datasheet of the particular module used.

GSM_ON is inverted when used with iDEN modules

(GSM_ON=’0’ – iDEN module is on).

J9 –iO270 audio/PTT connector

Connector: NELTRON 2417RJ-8-F4, 8-way 2mm header

Mating connector: JST PHR-8 , 8-way 2mm housing, female

Mating crimps: JST SPH-002T-P0.5S

1 SPKR-

2 SPKR+

3 3V_OPT

4 VCC

5 GND

6 PTT

7 MIC-

8 MIC+

1


8


ZEUS Technical Manual Appendix G - ZEUS-FPIF details

Appendix G - ZEUS-FPIF details

The ZEUS-FPIF allows easy connection between the ZEUS and a variety of TFT or

STN LCD flat panel displays.

J5

JP1

J1

J4

J2

J3

The connectors on the following pages are shown in the same orientation as the picture above.


JP1

J1

J2

J3

J4

J5

TFT clock delay selection

ZEUS LCD cable connector

Generic LCD connector

Direct connection to a NEC NL3224BC35-20 5.5inch 320x240 TFT display

Connects to backlight inverter

STN bias voltages

JP1 – TFT clock delay selection

It has been found that some TFT displays require a delay on the clock. If this is required fit the jumper in position A; if not, fit it in position B.

B A



J1 – ZEUS LCD cable connector

Connector: Oupiin 3215-40GSB/SN, 40-way, 1.27mm (0.05") x 2.54mm (0.1") straightboxed header

Mating connector: Oupiin 1203-40GB/SN (available from Eurotech Ltd on request)

Pin Signal name

1 BKLEN

3 PWM0

5 NEGBIAS

7 GND

9 FPD1

11 FPD3

13 FPD5

15 GND

17 FPD7

19 FPD9

21 FPD11

23 GND

25 FPD13

27 FPD15

29 NC

31 GND

Pin Signal name

2 BKLSAFE

4 LCDSAFE

6 POSBIAS

8 GND

12 FPD2

14 FPD4

16 GND

18 FPD6

20 FPD8

22 FPD10

24 GND

26 FPD12

28 FPD14

30 NC

32 GND

34 GND

37

39

LCLK (HSYNC)

PCLK (CLOCK)

38 GND

40 GND



J2 – Generic LCD connector

Connector: Taicom TI34BHS, 34-way, 2.54mm (0.1") x 2.54mm (0.1") straight-boxed header

Mating connector: Fujitsu FCN-723-B034/2

Mating connector crimps: Fujitsu FCN-723J-AU/Q. (As it is possible to connect a crimp type connector to J2, a wide range of LCD displays can be connected with a custom cable)


1 GND

3 FPD1

5 GND

7 FPD4

9 FPD6

11 FPD7

13 FPD9

15 GND

17 FPD11

19 FPD13

21 FPD14

23 GND

2 FPD0

4 FPD2

6 FPD3

8 FPD5

12 FPD8

14 FPD10

16 GND

18 FPD12

20 GND

22 FPD15

25 GND

27 LCDSAFE

26 LCDSAFE

29 FCLK 30 GND

31 BKLSAFE

33 NC 34 BKLEN

34

2

33

1



J3 – Direct connection to a NEC NL3224BC35-20 5.5inch 320x240 TFT display

Connector: Oupiin 2345-33TD2/SN

Mating cable: Eunsung 0.5x33x190xAx0.035x0.3x5x5x10x10

Pin Signal name

1 GND

Pin Signal name

5 GND

6 GND

7 FPD11

8 FPD12

9 FPD13

10 FPD14

11 FPD15

12 GND

13 FPD5

14 FPD6

15 FPD7

16 FPD8

17 FPD9

23 FPD2

27 LBIAS

28 LCDSAFE

29 LCDSAFE

30 GND

31 GND

32 GND

33 GND



J4 – Backlight inverter connector

Connector: FCI 76384-407LF

Mating connector: FCI 65240-007LF

Mating connector crimps: FCI 76357-401LF

1 BKLSAFE

2 BKLSAFE

3 GND

4 GND

5 BKLEN

6 BRT_CTRL

7 GND

J5 – STN Bias connector

Connector: FCI 76384-404LF

Mating connector: FCI 65240-004LF

Mating connector crimps: FCI 76357-401LF

1 POSBIAS

2 GND

3 GND

4 NEGBIAS

Appendix G - ZEUS-FPIF details


ZEUS Technical Manual Appendix H - ZEUS-FPIF-CRT details

Appendix H - ZEUS-FPIF-CRT details

The ZEUS-FPIF-CRT allows the ZEUS to drive a CRT Monitor or an analogue LCD flat panel. Sync on green and composite sync monitors are not supported.

J1

J2

The connectors on the following pages are shown in the same orientation as the picture above, unless otherwise stated.


J1 ZEUS LCD cable connector



J1 – ZEUS LCD cable connector

Connector: Oupiin 3215-40CSB/SN, 40-way, 1.27mm (0.05") x 2.54mm (0.1") straightboxed header

Mating connector: Oupiin 1203-40GB/SN (available from Eurotech Ltd on request)

Pin Signal name

40 GND

38 GND

36 GND

34 GND

32 GND

30 NC

28 FPD14

26 FPD12

24 GND

22 FPD10

20 FPD8

18 FPD6

16 GND

14 FPD4

12 FPD2

10 FPD0

8 GND

6 NC

4 NC

2 BKLSAFE

Pin Signal name

39 CLOCK

37 HSYNC

35 VSYNC

31 GND

29 NC

27 FPD15

25 FPD13

23 GND

21 FPD11

19 FPD9

17 FPD7

15 GND

13 FPD5

11 FPD3

9 FPD1

7 GND

5 NC

3 NC

1 NC



J2 – CRT connector

Connector: Oupiin 7916-15FA/SN, 15-way, female, high density, right-angled D-Sub.

1 RED 6 RED

Pin Signal name

11 NC

5 1

10

3 BLUE 8 BLUE

4 NC 9 5V_VGASAFE 14 VSYNC

5 TTL GND 10 SYNC GND 15 NC

6

15 11

(As viewed from the connector pins)


ZEUS Technical Manual Appendix H - Acronyms and abbreviations

Appendix H - Acronyms and abbreviations

Amp Amplifier

BTUART

CCCR

CODEC

Bluetooth Universal Asynchronous Receiver / Transmitter

Core Clock Configuration Register

Coder/Decoder

COM Communication

CPLD

CPU

CMOS

DMA Direct

Port

Complex Programmable Logic Device

Central Processing Unit (PXA270)

Complementary Metal Oxide Semiconductor

DUART

EEPROM

Access

Dual Universal Asynchronous Receiver / Transmitter

Electrically Erasable and Programmable Read-Only Memory

EMC Electromagnetic

EPIC

EPROM

FFUART

FIFO First-In

Compatibility

Embedded Platform for Industrial Computing

Erasable and Programmable Read-Only Memory

Full Function Universal Asynchronous Receiver / Transmitter

First-Out

A non-volatile memory that is preserved even if the power is lost

Flat Panel Interface

General Purpose Input/Output

Flash

FPIF

GPIO

I²C

IEEE

(=IIC) Intra Integrated Circuit bus

Institute of Electrical and Electronics Engineers

IO Input/Output

ISA

JTAG

LED

LCD

Industry Standard Architecture, Bus in the IBM-PC

Joint Test Action Group of IEEE

Light Emitting Diode

Liquid Crystal Display

LSB

LVDS

Least Significant Bit

Low Voltage Differential Signalling

MOSFET Metal-Oxide

NA Not Applicable

NC No

NU Not

OS Operating

Offers full architecture, hardware and software compatibility with the PC/104

PC ISA bus, but in ultra-compact 96mm x 91mm (3.775" x 3.550")

PCB modules

Printed Circuit Board

PoE Power

PROM

PWM

RAM

Ethernet

Programmable Read-Only Memory

Pulse-Width

Random

Modulation

Time

Memory

Clock

RX Receive

SBC Single Board Computer


ZEUS Technical Manual Appendix H - Acronyms and abbreviations

SDIO

SDRAM

SRAM

STN

STUART

SVGA

TFT

Secure Digital Input/Output

Synchronous Dynamic Random Access Memory

Super Twisted Nematic, technology of passive matrix liquid crystal

Standard Universal Asynchronous Receiver / Transmitter

Super Video Graphics Adapter, display resolution 800 x 640 pixels

Thin Film Transistor, a type of LCD flat-panel display screen

TX Transmit

UART

USB

Universal Asynchronous Receiver / Transmitter

Universal Serial Bus

VAC Voltage

VDC

VGA

WDT Watchdog

ZEUS-ICE

Voltage Direct Current

Video Graphics Adapter, display resolution 640 x 480 pixels

Timer

ZEUS-Industrial Compact Enclosure


ZEUS Technical Manual Appendix I - RoHS-6 Compliance - Materials Declaration Form

Appendix I - RoHS-6 Compliance - Materials Declaration Form

Confirmation of Environmental Compatibility for Supplied Products

Lead

Mercury

Hexavalent chromium

Polybrominated biphenyls (PBBs)

Polybrominated diphenyl ethers (PBDEs)

Cadmium

0.1% by weight in homogeneous materials






The products covered by this certificate include:

Product Name Eurotech Ltd Part Number

ZEUS ZEUS-Mx-Fy-ZZZ-R6 (all variants)

ZEUS-FPIF ZEUS-FPIF-R6

ZEUS-FPIF-CRT ZEUS-FPIF-CRT-R6

ZEUS MODEM -1 ZEUS MODEM-1-R6

ZEUS MODEM-2

ZEUS MODEM -3

ZEUS MODEM-2-R6

ZEUS-MODEM3-R6

Note: All recommended wireless modems are RoHS compliant with exception of the iO270 iDEN module.

Eurotech Ltd has based its material content knowledge on a combination of information provided by third parties and auditing our suppliers and sub-contractor’s operational activities and arrangements. This information is archived within the associated Technical Construction File. Eurotech Ltd has taken reasonable steps to provide representative and accurate information, though may not have conducted destructive testing or chemical analysis on incoming components and materials.

Additionally, packaging used by Eurotech Ltd for its products complies with the EU Directive 2004/12/EC in that the total concentration of the heavy metals cadmium, hexavalent chromium, lead and mercury do not exceed 100 ppm.



Index

A abbreviations · 131 acronyms · 131 active display signal · 45 address map · 19 anti-static · 5

Arcom, contacting · 97 assignments, GPIO pins · 22, 29 audio · 16, 49 connector · 79 power management · 71

B backlight brightness · 47 inverter connector · 127 power · 92

Base TX Ethernet · 52 battery backup · 65 disconnect · 93, 95 block diagram · 18 board · 6 address map · 19 block diagram · 18 diagram · 8 features · 10 hardware description · 18 mechanical diagram · 100 specification · 98 variants · 6 boot loader · 17 bus expansion · 17

I²C · 58

C camera interface · 59 connector · 82

CAN bus · 87 power management · 72 termination · 95

CF+ · 40 clock · 31 generator power management · 72


Index

COM1 · 53, 83

COM2 · 53, 86

COM3 · 54, 88

COM4 · 55, 88

CompactFlash · 16, 34, 40 connector · 89 power management · 70 configuration PROM power management · 73 connectors · 74, 76 contact details · 97 contacting Arcom · 97

D debug access · 62 display · 44

E electromagnetic compatibility · 5

EMC · 5 environmental compliance · 5, 133

Ethernet · 17, 52 connector · 80 power management · 71 expansion bus · 17 interfaces · 38 external interrupt · 28

F

Flash

LED · 96 memory · 33 flat panel display · 44 flat panel interface · 13

FPIF · 123

G general purpose I/O · 60

GPIO connector · 81 pin assignments · 22, 29

133


H hardware description · 18

I

I/O expander, power management · 73

I²C bus · 58 interface · 52 internal interrupt · 28 interrupt · 28 external · 28 internal · 28

J

J1 · 77

J10 · 82

J11 · 83

J12 · 84

J13 · 84

J14 · 85

J15 · 86

J16 · 86

J17 · 87

J18 · 87

J19 · 88

J2 · 78

J20 · 89

J21 · 90

J22 · 90

J23 · 91

J24 · 92

J3 · 78

J4 · 79

J5 · 79

J6 · 80

J7 · 81

J8 · 81

J9 · 82

JP1 · 93

JP2 · 93, 95

JP3 · 94

JP4 · 94

JP5 · 95

JP6 · 95

JTAG · 62 connector · 79 jumper diagrams · 14 jumpers · 74, 93

K key · 14

L

LAN · 17


LCD · 13, 44, 123, 128 backlight brightness · 47 connector · 85 generic connector · 125

SBC cable connector · 124, 129

LCD logic supply selection · 94

LEDs · 74, 96

Linux, PC/104 interrupts · 42

LTC3442 · 64

LVDS connector · 86 interface · 47

MSL selection · 94 power management · 71

M map, address · 19 materials declaration form · 133

MAX6369 · 32 mechanical diagram · 100 memory · 33 modem boards · 13

P passive display signal · 45

PC/104 · 41 connector · 84

PC/104 interrupts · 42 port, serial · 53, 57 power · 63 connector · 63, 78 management · 66, 68, 70 supply · 63

USB · 70 voltage · 63, 64 processor power management · 66

PXA255 · 20

PXA255 · 20

Q

Quick Capture camera interface · 59

R

RAM, static · 34 real time clock · 31 reference information · 102

RoHS-6 compliance · 133

RS232 · 16, 53, 54

RS422 · 16, 55, 87

RS485 · 16, 55, 87

Index

134


S sales team · 97

SDIO · 39 socket · 90

SDRAM · 33 serial ports · 16, 53, 57, 83, 86, 87, 88 silicon disk · 33 sleep mode · 67 source code · 97 specification · 98 static · 5 static RAM · 34

STN · 13, 45, 123, 128 bias connector · 127 bias voltage · 47 support products · 13 support, technical · 97 symbols · 14

T tables · 15 technical support · 97 temperature sensor · 61 power management · 73

TFT · 44, 123 timer, watchdog · 32 touch screen connector · 77 touchscreen · 50

U

USB client header · 82 connector · 81 interface · 51 ports · 16 power · 70 power management · 70 user jumpers · 93 user LEDs · 96

V

VBUSx · 70

W wake-up · 67 watchdog timer · 32 wireless interface · 91 support · 35

Z

ZigBee · 13 connector · 90

Index



S sales team · 97

SDIO · 39 socket · 90

SDRAM · 33 serial ports · 16, 53, 57, 83, 86, 87, 88 silicon disk · 33 sleep mode · 67 source code · 97 specification · 98 static · 5 static RAM · 34

STN · 13, 45, 123, 128 bias connector · 127 bias voltage · 47 support products · 13 support, technical · 97 symbols · 14

T tables · 15 technical support · 97 temperature sensor · 61 power management · 73

TFT · 44, 123 timer, watchdog · 32 touch screen connector · 77 touchscreen · 50

U

USB client header · 82 connector · 81 interface · 51 ports · 16 power · 70 power management · 70 user jumpers · 93 user LEDs · 96

V

VBUSx · 70

W wake-up · 67 watchdog timer · 32 wireless interface · 91 support · 35

Z

ZigBee · 13 connector · 90

Index


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