Atmel AVR1912: XMEGA-B1 Xplained Hardware User's Guide

Atmel AVR1912: XMEGA-B1 Xplained Hardware User's Guide

Atmel AVR1912: Atmel XMEGA-B1 Xplained

Hardware User Guide

Features

Atmel

®

ATxmega128B1 microcontroller

4x40 transflective LCD module with backlight

One USB full/low speed device interface

Analog input (to ADC)

- Light sensor

- Temperature sensor

- External voltage input

- Potentiometer voltage

Digital I/O

- Four Atmel QTouch

®

buttons

- Four user LEDs

- One power LED

- Four expansion headers

Footprints for external memory

- Atmel AT45DB series DataFlash

®

serial flash

- Atmel AT25DF series industry standard serial flash

1 Introduction

The Atmel XMEGA-B1 Xplained evaluation kit is a hardware platform to evaluate the ATxmega128B1 microcontroller.

The kit offers a large range of features that enables the Atmel AVR

®

XMEGA

®

user to get started right away using XMEGA peripherals and understand how to integrate the XMEGA device in their own design.

Figure 1-1. The XMEGA-B1 Xplained evaluation kit.

8-bit Atmel

Microcontrollers

Application Note

Rev. 8397A-AVR-10/2011

2 Related items

Atmel AVR Studio

®

5 (Atmel free IDE) http://www.atmel.com/dyn/products/tools_card.asp?tool_id=17212

Atmel AVR JTAGICE 3 (on-chip programming and debugging tool) http://www.atmel.com/dyn/products/tools_card.asp?tool_id=17213

Atmel AVR ONE! (on-chip programming and debugging tool) http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4279

Atmel AVR JTAGICE mkII (on-chip programming and debugging tool) http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3353

FLIP (flexible in-system programmer) http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3886

2

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3 General information

The schematic, layout, and bill of materials can be found in the zip files associated with this application note at: http://www.atmel.com/products/Xplained .

The Atmel XMEGA-B1 Xplained kit is intended to demonstrate the Atmel

ATxmega128B1 microcontroller.

Figure 3-1. Overview of the XMEGA-B1 Xplained kit.

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3

Figure 3-2. Functional overview of the Atmel XMEGA-B1 Xplained kit.

3.1 Preprogrammed firmware

The Atmel ATxmega128B1 that comes with the XMEGA-B1 Xplained kit is preprogrammed.

The preprogrammed firmware (see the application note, “AVR1619: XMEGA-B1

Xplained Demonstration”) in the ATxmega128B1 is set up with a demo that primarily highlights the use of the LCD, USB, and ADC modules.

The device also features a USB boot loader (see the application note, “AVR1916:

USB DFU Boot Loader for ATxmega”) for the self-programming of the microcontroller.

The boot loader can be started by shorting pin 6 of header J1 to GND while applying power to the board. The boot loader can be used with either FLIP or the batchISP command line tool (in the FLIP package).

3.2 Power supply

NOTE

The kit is powered via the USB connector, which offers two options to power it: connect the kit to a PC with a USB cable or to a 5V USB power supply (AC/DC adapter).

The 5V supply voltage is regulated down to 3.3V with an onboard LDO regulator, which provides power to the entire board. The ATxmega128B1 is powered by 3.3V, but if operation at a lower voltage (1.8V min.) is desired, some modifications to the board are needed. This includes replacing the regulator with one that delivers the desired voltage and rerouting the power to the device (see schematic for explanation). As some of the other ICs on the XMEGA-B1 Xplained board require

3.3V to operate correctly, these devices have to be removed, also.

The USB interface operates only if the ATxmega128B1 is powered by 3.3V.

4

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Atmel AVR1912

3.3 Measuring Atmel ATxmega128B1 power consumption

As part of an evaluation of the ATxmega128B1, it may be of interest to measure its power consumption. The two-pin power measurement header, which has a jumper mounted on it, is the only connection between the common VTG (V_Target) power plane and the VXM (V_Xmega) power plane. By replacing the jumper with an ammeter, it is possible to determine the ATxmega128B1 current consumption. To locate the power measurement header, please refer to

Figure 3-1.

WARNING

Do not power the board without having the jumper or an ammeter mounted. Otherwise, the device may be damaged.

3.4 Programming the ATxmega128B1 through the USB interface

NOTE

The ATxmega128B1 can be programmed through the USB interface. This can be accomplished using the USB boot loader that is preprogrammed in the device.

The boot loader is evoked by shorting pin 6 on J1 to GND before applying power to the board. A 100mil jumper can be used. Programming is performed through the FLIP plug-in in AVR Studio (which can also be started as a standalone application).

If any external programming tool is used on the ATxmega128B1, the boot loader might be erased, and it will not be possible to program the device through the USB interface. In this case, the boot loader has to be restored (available on the Atmel website) with an external programming tool.

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5

4 Connectors

The 90° angled, 6-pin, 100mil header is the PDI programming and debugging header for the Atmel ATxmega128B1.

The Atmel XMEGA-B1 Xplained board also has a USB 2.0 mini B connector.

The XMEGA-B1 Xplained board has four 10-pin, 100mil headers. Two of the headers provide a fixed communication interface (J1 and J4). One header provides analog functionality (J2), and the remaining header (J3) provides general purpose digital I/O.

For the location of the respective headers, refer to

Figure 3-1.

4.1 Programming and debugging header

6

NOTE

The Atmel ATxmega128B1 can be programmed and debugged by connecting an external programming and debugging tool to the PDI header. The header has a standard PDI programmer pin-out (refer to online help in AVR Studio), and tools such as the Atmel JTAGICE 3, Atmel AVR ONE!, or Atmel AVR JTAGICE mkII can thus be connected to the PDI header. If it is desired to use PDI for programming and debugging, an adapter must be used:

• (Dark blue) debugWIRE, SPI, PDI, aWire adaptor for JTAGICE 3, ref. A08-0735

• (Green) Standoff adaptor nr.3 JTAG/ISP for AVR ONE!, ref. A08-0254

• (White) XMEGA PDI adaptor for AVR JTAGICE mkII, ref. A09-0412

The scoring in the board is made to fit the orientation tab on the connector.

Table 4-1. ATxmega128B1 programming and debugging the PDI interface.

Pin PDI JTAGICE AVR ONE! JTAGICE mkII

1 PDI_DATA

2 VTG (default 3.3V)

3 (n.c.)

4 (n.c.)

5 PDI_CLOCK

6 GND debugWIRE,

SPI, PDI, aWire adaptor ref. A08-0735

Color: dark blue

Standoff adaptor nr.3 JTAG/ISP ref. A08-0254

Color: green

XMEGA PDI adaptor ref. A09-0412

Color: white

Note: 1. Standard pin-out for Atmel programming tools.

Table 4-2. Atmel programming and debugging tool interfaces.

JTAGICE 3,

AVRONE!

10-pin header

PDI signal

Squid cable colors

JTAGICE mkII

10-pin header

Pin 1 TCK Black (0)

Pin 2

Pin 3

Pin 4

GND

TDO

VTref

GND

PDI_DATA

VTG

(default 3.3V)

White (1)

Grey (2)

Purple (3)

VTG

(default 3.3V)

Pin 5 TMS Blue (4)

Pin 6 nSRST PDI_CLOCK Green (5) PDI_CLOCK nSRST Pin

Pin 7 (n.c.) Yellow (6)

Atmel AVR1912

8397A-AVR-10/2011

NOTE

Atmel AVR1912

JTAGICE 3,

AVRONE!

10-pin header

Pin 8 nTRST

Pin 9 TDI

Pin 10 GND

PDI signal

Squid cable colors

Orange (7)

Red (8)

Brown (9)

JTAGICE mkII

10-pin header

The device also features a JTAG port for programming and debugging. To optimize the onboard I/O management, the JTAG pin allocation (PB[7:4]) is used to drive the user LEDs. The JTAG can be connected through the J3 header, but malfunctions may happen because of the LEDs. If a “clean” JTAG port is needed, the LED series resistors (or the LEDs themselves) can be removed. By default, the JTAG port is disabled by a fuse in the Atmel ATxmega128B1 mounted on the board.

4.2 USB connector

The USB 2.0 mini B receptacle is connected to the ATxmega128B1 to demonstrate the USB device feature of the product.

The onboard LDO regulator and the LCD backlight are powered by V_BUS.

D+ and D- are directly connected to the microcontroller, and so the USB interface operates only if the ATxmega128B1 is powered (VTG) by 3.3V.

4.3 Expansion headers

There are four available I/O expansion headers on the Atmel XMEGA-B1 Xplained board. Because of the low pin count on the device (LCD pins deducted), the I/O expansion header pins are shared with onboard functionality. If “clean” expansion ports are needed, cut straps are available on some I/Os. Otherwise, it is needed to remove only a series resistor to eliminate onboard functionality.

Table 4-3

to

Table

4-6 show what is shared on the respective header pins.

4.3.1 Header – J1

Table 4-3. J1 I/O expansion header.

Pin J1 XMEGA pin Shared with onboard functionality

1 SDA

TWI

PC0

2 SCL

TWI

/ XCK0

USART

-

3 RXD0

USART

4 TXD0

USART

PC3

5 SS

SPI

PC4

6

MOSI

XCK0

SPI

/ SCK

USART-SPI

Swap USART

PC5

Serial flash clock (SCK

USART-SPI

)

7

8

MISO

SPI

/ MISO

USART-SPI

RXD0

Swap USART

SCK

SPI

/ MOSI

USART-SPI

TXD0

Swap USART

9 GND

PC6

PC7

-

Serial flash output (MISO

Serial flash input (MOSI

-

USART-SPI

USART-SPI

)

)

10 VTG -

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7

4.3.2 Header – J2

Table 4-4. J2 I/O expansion header.

Pin J2 XMEGA pin Shared with onboard functionality

5

6

3

4

1

2

ACA0 / ADCA0 / ADCB8

ACA1 / ADCA1 / ADCB9

ACA2 / ADCA2 / ADCB10

ACA3 / ADCA3 / ADCB11

ACA4 / ADCA4 / ADCB12

ACA5 / ADCA5 / ADCB13

PA0

PA1

PA2

PA3

PA4

PA5

-

-

-

-

-

-

7

8

ACA6 / ADCA6 / ADCB14

ACA7 / ADCA7 / ADCB15

PA6

PA7

-

-

9 GND - -

10 AVCC ) - -

4.3.3 Header – J3

Table 4-5. J3 I/O expansion header.

Pin J3 XMEGA pin Shared with onboard functionality

1

2

3

ACB0 / ADCB0 / ADCA8

ACB1 / ADCB1 / ADCA9

ACB2 / ADCB2 / ADCA10

PB0

PB1

PB2

NTC sensor (ADCB0)

Potentiometer measure (ADCB1)

LDR sensor (ADCB2)

4

5

6

7

8

ACB3 / ADCB3 / ADCA11

ACB4 / ADCB4 / ADCA12

TMS

JTAG

ACB5 / ADCB5 / ADCA13

TDI

JTAG

ACB6 / ADCB6 / ADCA14

TCK

JTAG

ACB7 / ADCB7 / ADCA15

TDO

JTAG

PB3 External voltage measure (ADCB3)

9 GND - -

10 V_BUS -

4.3.4 Header – J4

8

Table 4-6. J4 I/O expansion header.

Pin J4 XMEGA pin Shared with onboard functionality

1 OC0A

TIM

/ OC0LA

Split TIM

PE0 QTOUCH0

2

OC0B

TIM

/ OC0LB

Split TIM

XCK0

USART

3

4

OC0C

TIM

/ OC0LC

Split TIM

RXD0

USART

OC0D

TIM

/ OC0LD

Split TIM

TXD0

USART

5 OC0A

Swap TIM

/ OC0HA

Split TIM

PE4 Power LED (PE4)

Atmel AVR1912

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Atmel AVR1912

XMEGA pin Shared with onboard functionality Pin J4

6

7

8

OC0B

Swap TIM

/ OC0HB

Split TIM

XCK0

Swap USART

OC0C

Swap TIM

/ OC0HC

RXD0

Swap USART

Split TIM

OC0D

Swap TIM

/ OC0HD

Split TIM

TXD0

Swap USART

9 GND

PE5

PE6

PE7

-

LCD backlight (OC0B

-

10 VTG -

Swap TIM

RTC, 32.768kHz (TOSC2

RTC, 32.768kHz (TOSC1

)

Alternate

Alternate

)

)

8397A-AVR-10/2011

9

5 LCD

5.1 LCD module

The XMEGA-B1 Xplained board features an LCD module with 4 common terminals and 40 segment terminals. The display runs with a ¼ duty cycle and

⅓ bias, and is powered by 3.3V. The typical frame rate is 64Hz.

Figure 5-1. LCD segment (pixel) routing.

5.2 LCD backlight

The LCD backlight is controlled by PORTE on PE5. By default, it is not powered, and will switch on if PE5 = 1. A PWM signal can control the backlight. The LCD backlight voltage source is V_BUS.

Figure 5-2. LCD backlight diagram.

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6 Memories

6.1 Mounting

Atmel AVR1912

The Atmel XMEGA-B1 Xplained kit does not have any external memories mounted on the board, but footprints exist for adding serial flash.

The footprint only allows mounting either an Atmel AT45DB series DataFlash serial flash memory, or an Atmel AT25DF series industry standard serial flash memory.

Figure 6-1. AT45DB series DataFlash memory horizontal mounting.

Figure 6-2. AT25DF series serial flash vertical mounting.

6.2 Connection

The serial interface for onboard the DataFlash memory uses the SPI master mode of the USART module. The main advantage of this configuration (USART vs. SPI) is the

DMA support available on the USART in SPI master mode.

11

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Table 6-1. Atmel XMEGA-B1 Xplained kit DataFlash connection.

DataFlash signal XMEGA signal XMEGA pin Comment

SCK SCK

USART-SPI

PC5 Shared

SO MISO Shared

SI MOSI

USART-SPI

PC7 J1

6.3 Compatible devices

Table 6-2. Compatible devices for the XMEGA-B1 Xplained kit serial flash footprints.

Atmel AT45DB Series Devices Atmel AT25DF Series Devices

AT45DB64D2-CNU AT25DF641A-SH

AT45DB321D-MWU AT25DF321A-SH

AT45DB161D-SS AT25DF161-SH

AT45DB081D-SS AT25DF081-SSH

AT45DB041D-SS AT25DF021-SSH

AT45DB021D-SS

AT45DB011D-SS

12

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7 Miscellaneous I/Os

7.1 Touch

NOTE

NOTE

The board is equipped with four Atmel QTouch keys. The QTouch functionality is handled by a QTouch device, the Atmel AT42QT1040. Keys are included on the PCB itself (CS[3:0]). By default, the QTouch device is configured in ASK (Adjacent Key

Suppression

®

) mode, and so key combinations are not possible.

An AT42QT1040 output pin goes active low when the corresponding key is touched.

Because outputs are of the open-drain type, it is necessary to activate the internal pull-up resistors of PORTE (PE[7:4]) as soon as possible in the application firmware.

Adding top modules to the board with functionality connected to these pins is not recommended. But, if no key is touched, the module functionality will run correctly.

The QTouch device is very close to the keys. The sensitivity of the sensor lines on device’s exposed pins is very high, and so touching its I/O pins will give erroneous results for the touch sensing mechanism.

7.2 LEDs

7.2.1 User LEDs

Four yellow LEDs are connected to PORTB on PB[7:4]. The LEDs are active low, and lights up when the respective lines are output low by the Atmel ATxmega128B1.

7.2.2 Power LED

The green LED, mounted near the PDI connector and labeled “POWER,” indicates whether the output voltage generated by the regulator is present. It is connected to

PORTE on PE4. This LED is powered by default, and will switch off when PE4 = 0.

7.3 Analog inputs

The Atmel XMEGA-B1 Xplained offers two sensors: a temperature sensor and a light sensor. In single-ended mode, it can also measure two analog inputs, one from the on-board potentiometer and one from a source that is external to the board.

7.3.1 Temperature sensor

The temperature sensor employs an NTC thermistor connected to PORTB on pin

1

PB0. The output range of the network containing the NTC is 0V – 1.1V (or 0V –

/

3

VTG).

NTC reference: NCP18WF104J03RB.

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Figure 7-1. NTC sensor – PB0 input voltage vs. temperature.

NTC Sensor (

VTG = 3.3V

)

1.100

1.000

0.900

0.800

0.700

0.600

0.500

0.400

Temperature

The NTC temperature range is -40°C – +125°C, and the input voltage range is

1.047V – 0.077V for VTG = 3.3V.

Table 7-1. NTC characteristics.

Temp.

(°C)

Value

(kΩ

)

Temp.

(°C)

Value

(kΩ

)

Temp.

(°C)

Value

(kΩ

)

Temp.

(°C)

Value

(kΩ

)

14

-17 956.080 13 179.890 43 44.533 73 13.592

-16 899.481 14 171.028 44 42.675 74 13.104

-15 846.579 15 162.651 45 40.904 75 12.635

-14 797.111 16 154.726 46 39.213 76 12.187

-13 750.834 17 147.232 47 37.601 77 11.757

Atmel AVR1912

8397A-AVR-10/2011

Temp.

(°C)

Value

(kΩ

)

Temp.

(°C)

Value

(kΩ

)

Temp.

(°C)

Atmel AVR1912

Value

(kΩ

)

Temp.

(°C)

Value

(kΩ

)

-12 707.524 18 140.142 48 36.063 78 11.344

-11 666.972 19 133.432 49 34.595 79 10.947

-10 628.988 20 127.080 50 33.195 80 10.566

-9 593.342 21 121.066 51 31.859 81 10.200

-8 559.931 22 115.368 52 30.584 82 9.848

-7 528.602 23 109.970 53 29.366 83 9.510

-6 499.212 24 104.852 54 28.203 84 9.185

-5 471.632 25 100.000 55 27.091 85 8.873

-4 445.772 26 95.398 56 26.028 86 8.572

-3 421.480 27 91.032 57 25.013 87 8.283

-2 398.652 28 86.889 58 24.042 88 8.006

-1 377.193 29 82.956 59 23.113 89 7.738

7.3.2 Light sensor

7.3.3 Potentiometer voltage

The single-ended output of the onboard potentiometer can be measured at PORTB on pin PB1. The input range is 0V – 0.666V (or 0V –

1

/

5

VTG).

7.3.4 External voltage input

The light sensor employs a light dependant resistor (LDR) connected to PORTB on

1 pin PB2. The output range of the network containing the LDR is 0V – 1.1V (or 0V –

/

3

VTG).

When the light level is low, the resistance of the LDR is high, and the input voltage is close to 1.1V (or

1

/

3

VTG).

NOTE

WARNING

An external voltage can be applied to the kit by using a header, as shown in

Figure

3-1 . This voltage is routed to pin PB3 on PORTB of the Atmel XMEGA device, and

can be determined by a single-ended measurement using the analog-to-digital converter (ADC). However, the external voltage is divided by eight before it is applied to the ADC, and this divider is fixed.

A 2.0V Zener diode is mounted in parallel with the ADC input. This protects the ADC input from any over voltage. That effectively means that an external voltage between

0V-16V is allowed, assuming VTG is greater than 2.0V.

If VTG is lower than 2.0V, the ADC input is not protected and the external voltage input must be in the range of 0V – 8*VTG. Otherwise, the device may be damaged.

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8 Further code examples and drivers

Several Getting Started training materials for the Atmel XMEGA-B1 Xplained kit can be downloaded from the Atmel website. These training materials offer a general introduction to Atmel ATxmega128B1 peripherals.

Further information and drivers for XMEGA devices can be downloaded as application notes, also distributed from the Atmel website.

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9 Known issues

No known issues.

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17

10 Revision history

The revision of the evaluation kit can be found on the bottom of the PCB.

Revision 4 of the Atmel XMEGA-B1 Xplained kit can be identified by a barcode sticker on the back side of the PCB with the following product ID: A09-1060/6.

10.1 Revision 6

Revision 6 is the first released version of the XMEGA-B1 Xplained kit, and it employs revision 3 of the PCB (product ID: A08-0840/3).

10.2 Revision 1 up to 5

Not released.

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11 Evaluation board/kit important notice

This evaluation board/kit is intended for use for FURTHER ENGINEERING,

DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY. It is not a finished product, and may not (yet) comply with some or any technical or legal requirements that are applicable to finished products, including, without limitation, directives regarding electromagnetic compatibility, recycling (WEEE), FCC, CE, or UL

(except as may be otherwise noted on the board/kit). Atmel supplied this board/kit

“AS IS,” without any warranties, with all faults, at the buyer’s and further users’ sole risk. The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies Atmel from all claims arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic discharge and any other technical or legal concerns.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER

USER NOR ATMEL SHALL BE LIABLE TO EACH OTHER FOR ANY INDIRECT,

SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

No license is granted under any patent right or other intellectual property right of

Atmel covering or relating to any machine, process, or combination in which such

Atmel products or services might be or are used.

Mailing Address: Atmel Corporation, 2325 Orchard Parkway, San Jose, CA 95131.

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19

12 Table of contents

20

Features ............................................................................................... 1

1 Introduction ...................................................................................... 1

2 Related items.................................................................................... 2

3 General information ......................................................................... 3

3.1 Preprogrammed firmware.................................................................................... 4

3.2 Power supply....................................................................................................... 4

3.3 Measuring Atmel ATxmega128B1 power consumption ...................................... 5

3.4 Programming the ATxmega128B1 through the USB interface ........................... 5

4 Connectors ....................................................................................... 6

4.1 Programming and debugging header.................................................................. 6

4.2 USB connector .................................................................................................... 7

4.3 Expansion headers.............................................................................................. 7

4.3.1 Header – J1............................................................................................................... 7

4.3.2 Header – J2............................................................................................................... 8

4.3.3 Header – J3............................................................................................................... 8

4.3.4 Header – J4............................................................................................................... 8

5 LCD ................................................................................................. 10

5.1 LCD module....................................................................................................... 10

5.2 LCD backlight .................................................................................................... 10

6 Memories ........................................................................................ 11

6.1 Mounting............................................................................................................ 11

6.2 Connection ........................................................................................................ 11

6.3 Compatible devices ........................................................................................... 12

7 Miscellaneous I/Os......................................................................... 13

7.1 Touch................................................................................................................. 13

7.2 LEDs.................................................................................................................. 13

7.2.1 User LEDs ............................................................................................................... 13

7.2.2 Power LED .............................................................................................................. 13

7.3 Analog inputs..................................................................................................... 13

7.3.1 Temperature sensor ................................................................................................ 13

7.3.2 Light sensor............................................................................................................. 15

7.3.3 Potentiometer voltage.............................................................................................. 15

7.3.4 External voltage input .............................................................................................. 15

8 Further code examples and drivers ............................................. 16

9 Known issues................................................................................. 17

10 Revision history ........................................................................... 18

10.1 Revision 6........................................................................................................ 18

Atmel AVR1912

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Atmel AVR1912

10.2 Revision 1 up to 5............................................................................................ 18

11 Evaluation board/kit important notice........................................ 19

12 Table of contents ......................................................................... 20

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21

Atmel Corporation

2325 Orchard Parkway

San Jose, CA 95131

USA

Tel: (+1)(408) 441-0311

Fax: (+1)(408) 487-2600 www.atmel.com

Atmel Asia Limited

Unit 01-5 & 16, 19F

BEA Tower, Milennium City 5

418 Kwun Tong Road

Kwun Tong, Kowloon

HONG KONG

Tel: (+852) 2245-6100

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Business Campus

Parkring 4

D-85748 Garching b. Munich

GERMANY

Tel: (+49) 89-31970-0

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1-24-8 Shinkawa

Chou-ku, Tokyo 104-0033

JAPAN

Tel: (+81) 3523-3551

Fax: (+49) 89-3194621 Fax: (+81) 3523-7581

Fax: (+852) 2722-1369

© 2011 Atmel Corporation. All rights reserved.

Atmel

®

, Atmel logo and combinations thereof, AVR

®

, AVR Studio

®

, Adjacent Key Suppression

®

, DataFlash

®

, QTouch

®

, XMEGA

®

, and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN THE ATMEL

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LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES (INCLUDING, WITHOUT LIMITATION,

DAMAGES FOR LOSS AND PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OR INABILITY TO

USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life.

8397A-AVR-10/2011

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