I-jet - IAR Systems

I-jet - IAR Systems
I-jet®
I-jet® User Guide
for Advanced RISC Machines Ltd's ARM® Cores
I-jet-1
I-jet-1:1
COPYRIGHT NOTICE
© 2012 IAR Systems AB.
No part of this document may be reproduced without the prior written consent of IAR
Systems AB. The software described in this document is furnished under a license and
may only be used or copied in accordance with the terms of such a license.
DISCLAIMER
The information in this document is subject to change without notice and does not
represent a commitment on any part of IAR Systems. While the information contained
herein is assumed to be accurate, IAR Systems assumes no responsibility for any errors
or omissions.
In no event shall IAR Systems, its employees, its contractors, or the authors of this
document be liable for special, direct, indirect, or consequential damage, losses, costs,
charges, claims, demands, claim for lost profits, fees, or expenses of any nature or kind.
TRADEMARKS
IAR Systems, IAR Embedded Workbench, C-SPY, visualSTATE, The Code to Success,
IAR KickStart Kit, I-jet, IAR, and the logotype of IAR Systems are trademarks or
registered trademarks owned by IAR Systems AB.
Microsoft and Windows are registered trademarks of Microsoft Corporation.
Adobe and Acrobat Reader are registered trademarks of Adobe Systems Incorporated.
All other product names are trademarks or registered trademarks of their respective
owners.
EDITION NOTICE
First edition: September 2012
Part number: I-jet-1
Internal reference: IMAE.
I-jet-1:1
Contents
Introduction
.......................................................................................................... 5
The I-jet In-Circuit Debugging Probe .............................................. 5
Requirements ............................................................................................. 6
Supported ARM core families ............................................................. 7
Supported operating systems ............................................................. 7
Connections ................................................................................................ 7
Working with I-jet
.............................................................................................. 9
Setup and installation ............................................................................. 9
Software ............................................................................................... 9
Probe setup ........................................................................................... 9
Connecting the target system ............................................................ 9
Power-on sequence .............................................................................. 9
Power up your evaluation board ........................................................ 10
Technical specifications
.................................................................................. 11
Model specifications ............................................................................... 11
Version history ......................................................................................... 12
Target interface ...................................................................................... 13
JTAG/SWD - MIPI-20 ....................................................................... 13
JTAG/SWD - MIPI-10 ....................................................................... 15
Indicators .................................................................................................... 16
USB .................................................................................................... 16
JTAG .................................................................................................. 16
TPWR (Target power) ....................................................................... 16
Adapters ..................................................................................................... 17
The ARM-20 adapter ......................................................................... 17
The ADA-MIPI20-TI14 adapter ........................................................ 19
The ADA-MIPI20-cTI20 adapter ...................................................... 23
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I-jet-1:1
I-jet®
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User Guide
I-jet-1:1
Introduction
This chapter gives a short overview of the I-jet in-circuit debugging probe.
More specifically, this means:
●
The I-jet In-Circuit Debugging Probe
●
Requirements
●
Supported ARM core families
●
Supported operating systems
●
Connections.
The I-jet In-Circuit Debugging Probe
I-jet is an in-circuit debugging probe, which connects to the target board via a JTAG or
SWD connection, and to the host PC via the USB port. I-jet is also referred to as a debug
probe, debug adapter, or JTAG in-circuit emulator by different tool vendors.
Figure 1: The I-jet in-circuit debugging probe
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UCSARM-4:3
Requirements
Besides the typical JTAG debugging, I-jet is capable of providing power to the target
board and measuring it with sufficient accuracy to provide a power profile during
program execution in real time. This feature is referred to as power debugging.
C-SPY debugger
C-SPY driver
USB connection
I-jet
JTAG/SWD
Figure 2: Communication overview
For debugging Cortex-M devices, I-jet supports the SWO (Serial Wire Output) feature,
which can be used for tracing the program execution and sending variables at predefined
points in your code. I-jet streams the program counter, variables, and power
measurement data to the host PC to provide a much better view into program execution
in real time.
Requirements
I-jet needs to be controlled by the IAR C-SPY® Debugger which comes with the IAR
Embedded Workbench® IDE.
I-jet®
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UCSARM-4:3
Introduction
Supported ARM core families
These cores are supported:
●
ARM7
●
ARM9
●
ARM11
●
Cortex-M
●
Cortex-R
●
Cortex-A.
Supported operating systems
I-jet can be used on these operating systems:
●
Windows 7 (64-bit)
●
Windows 7 (32-bit)
●
Windows Vista
●
Windows XP.
Connections
These interfaces are supported:
●
JTAG
●
SWD/SWO.
I-jet has a MIPI-20 connector on the front panel. I-jet comes with MIPI-20 and MIPI-10
cables, as well as a legacy ARM-20 adapter.
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UCSARM-4:3
Connections
I-jet®
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UCSARM-4:3
Working with I-jet
This chapter describes how to work with I-jet. More specifically, this means:
●
Setup and installation
●
Connecting the target system.
For information about debugging using I-jet, see the C-SPY® Debugging Guide
for ARM.
Setup and installation
SOFTWARE
I-jet requires IAR Embedded Workbench for ARM to be installed.
PROBE SETUP
I-jet does not require any special driver software installation. All drivers for I-jet are part
of the installation of IAR Embedded Workbench for ARM.
If you need to install the driver manually, navigate to
\Program Files\IAR Systems\Embedded Workbench x.x\arm\drivers\jet
\USB\32-bit or 64-bit (depending on your system). Start the dpinst.exe
application. This will install the driver.
For information about using multiple I-jet probes on the same PC, see the C-SPY®
Debugging Guide for ARM.
Connecting the target system
POWER-ON SEQUENCE
When the target power is not provided by I-jet, you do not need to follow any special
powering sequence. Connect I-jet to a powered and running target board and start
debugging.
When hot-plugging, the target GND and the USB host GND must be at the same level.
To prevent damage due to GND differences, make sure that the PC and the target board
power supply are connected to the same wall outlet or a common desktop power strip.
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UCSARM-4:3
Connecting the target system
POWER UP YOUR EVALUATION BOARD
If you have an evaluation board that is prepared for it, you can power the board via I-jet
through pin 19 on the 20-pin 0.1 in pitch JTAG connector, or pin 11/13 on the small 0.05
in pitch MIPI-20 connector. Target power of up to 400 mA can be supplied from I-jet
with overload protection. Most of the IAR Systems KickStart Kits contain an evaluation
board that can be powered this way.
Note: The target board will get power via I-Jet once you start the compile and
download routine, but not before.
I-jet®
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UCSARM-4:3
Technical specifications
This chapter provides technical specifications for the I-jet In-Circuit Debugger.
More specifically, this means:
●
Model specifications
●
Version history
●
Target interface
●
Indicators
●
Adapters.
Model specifications
These are the specifications of I-jet:
USB speed
480 Mbps (USB 2.0)
USB connection
Micro-B
JTAG connection
MIPI-20, MIPI-10
Adapters included
ARM-20
I-jet debug interface
JTAG and SWD
JTAG/SWD maximum clock
32 MHz
SWO protocols supported
Manchester and UART
SWO maximum clock speed
60 MHz
Power supplied to target
420 mA max at 4.4 V-5 V
Over-current protection
520 mA (± 1%)
Target power measurement resolution
~160 μA
Target power measurement speed
up to 200 ksps (kilo samples per second)
JTAG voltage range (auto-sensing)
1.8 V to 5 V (± 10%)
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UCSARM-4:3
Version history
JTAG VTref measurement resolution
~2 mV
Current draw from VTref
< 50 μA
I-jet comes with a 20-pin MIPI connector (0.05 in × 0.05 in pitch) on the front panel. It
includes two cables:
●
A 6-inch cable with 20-pin MIPI connectors on both ends for the Cortex-M targets
with 20-pin MIPI headers. Pin 7 on each end is keyed with a white plug.
●
A 6-inch cable with 20-pin MIPI connectors on one side (to connect to I-jet), and
10-pin MIPI connector on the other side for connection to Cortex-M targets with
10-pin headers. Pin 7 on each end is keyed with a white plug.
Version history
These are the versions of I-jet:
Version A
I-jet®
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UCSARM-4:3
The first version.
Technical specifications
Target interface
This section contains descriptions of pinout, signals, and connectors.
JTAG/SWD - MIPI-20
I-jet comes with a 6-inch cable with 20-pin MIPI connectors on both ends for the
Cortex-M targets with 20-pin MIPI headers. Pin 7 on each end is keyed with a white
plug:
Figure 3: The MIPI-20 connector
These are the MIPI-20 pin definitions:
Pin
Signal
Type
Description
1
VTref
Input
The target reference voltage. Used by I-jet to check
whether the target has power, to create the logic-level
reference for the input comparators, and to control the
output logic levels to the target. It is normally fed from
Vdd of the target board.
2
SWDIO/TMS
I/O, output JTAG mode set input of taget CPU. This pin should be
pulled up on the target. Typically connected to TMS of
the target CPU.
4
SWCLK/TCK
Output
JTAG clock signal to target CPU. It is recommended that
this pin is pulled to a defined state of the target board.
Typically connected to TCK of the target CPU.
Table 1: MIPI-20 pin definitions
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UCSARM-4:3
Target interface
Pin
Signal
Type
Description
6
SWO/TDO
Input
JTAG data output from target CPU. Typically connected
to TDO of the target CPU. When using SWD, this pin is
used as Serial Wire Output trace port. (Optional, but not
required for SWD communication.)
--
--
--
This pin (normally pin 7) does not exist.
8
TDI
Output
JTAG data input of target CPU. It is recommended that
this pin is pulled to a defined state on the target board.
Typically connected to TDI of the target CPU. For CPUs
which do not provide TDI (SWD-only devices), this pin is
not used. I-jet will ignore the signal on this pin when using
SWD.
10
nRESET
I/O
Target CPU reset signal. Typically connected to the
RESET pin of the target CPU, which is typically called
nRST, nRESET, or RESET.
11
TgtPwr
Output
This pin can be used for supplying 5 V power to the
target hardware from I-jet.
12*
TRACECLK
Input
Input trace clock.
13
Tgt Pwr
Output
This pin can be used for supplying 5 V power to the
target hardware from I-jet.
14*
TRACEDATA[0] Input
Input Trace data pin 0.
*
16
TRACEDATA[1] Input
Input Trace data pin 1.
18*
TRACEDATA[2] Input
Input Trace data pin 2.
*
TRACEDATA[3] Input
Input Trace data pin 3.
20
Table 1: MIPI-20 pin definitions
* Not used.
Pins 3, 5, 9, 15, 17, and 19 are GND pins connected to GND in I-jet. They should also
be connected to GND in the target system.
I-jet®
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Technical specifications
JTAG/SWD - MIPI-10
I-jet also comes with a 6-inch cable with a 20-pin MIPI connector on one side (to
connect to I-jet) and a 10-pin MIPI connector on the other side for connection to Cortex
targets with 10-pin headers. Pin 7 on each end is keyed with a white plug:
Figure 4: The MIPI-10 connector
These are the MIPI-10 pin definitions:
Pin
Signal
Type
Description
1
VTref
Input
The target reference voltage. Used by I-jet to check
whether the target has power, to create the logic-level
reference for the input comparators, and to control the
output logic levels to the target. It is normally fed from Vdd
of the target board.
2
SWDIO/TMS
I/O, output
JTAG mode set input of target CPU. This pin should be
pulled up on the target. Typically connected to TMS of the
target CPU. When using SWD, this pin is used as Serial
Wire Output trace port. (Optional, not required for SWD
communication)
3
GND
GND
Connected to logic GND on I-jet.
4
SWCLK/TCK
Output
JTAG clock signal to target CPU. It is recommended that
this pin is pulled to a defined state of the target board.
Typically connected to TCK of the target CPU.
5
GND
GND
Connected to logic GND on I-jet.
6
SWO/TDO
Input
JTAG data output from target CPU. Typically connected to
TDO of the target CPU.
--
--
--
This pin (normally pin 7) does not exist.
Table 2: MIPI-10 pin definitions
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UCSARM-4:3
Indicators
Pin
Signal
Type
Description
8
TDI
Output
JTAG data input of target CPU. It is recommended that this
pin is pulled to a defined state on the target board. Typically
connected to TDI of the target CPU. For CPUs which do
not provide TDI (SWD-only devices), this pin is not used.
I-jet will ignore the signal on this pin when using SWD.
Table 2: MIPI-10 pin definitions
Indicators
I-jet has three LED indicators on the front. This section describes the indicators and their
statuses.
USB
Indicator status
Description
Off
No USB power.
Green steady
Initial state or no transfer.
Green blinking
USB transfers to or from I-jet.
Red blinking
USB enumeration.
Red steady
USB did not enumerate or broken hardware.
Table 3: USB indicator statuses
JTAG
Indicator status
Description
Off
vTRef on JTAG header is too low.
Green
vTRef is at or above 1.8 V.
Green blinking
Indicates JTAG/SWD communication activity.
Table 4: JTAG indicator statuses
TPWR (TARGET POWER)
Indicator status
Description
Off
Power to target is not provided by I-jet.
Green
Power to target is provided by I-jet.
Yellow
Warning. Power to target is above 420 mA.
Table 5: TPWR indicator statuses
I-jet®
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Technical specifications
Indicator status
Description
Red
Error. Overcurrent limit (520 mA) detected and power to target was
switched off for protection.
Table 5: TPWR indicator statuses
Adapters
THE ARM-20 ADAPTER
The ARM-20 adapter is included with I-jet. It converts the MIPI-20 I-jet cable to the
legacy ARM-20 (0.1 in × 0.1 in pitch) JTAG headers. This is a diagram of the adapter:
Figure 5: MIPI-20 to ARM-20 JTAG adapter
17
UCSARM-4:3
Adapters
These are the pin definitions of the ARM-20 adapter:
Pin
I-jet
direction
Name
Description
nTRST
Output
Test Reset
Active LOW signal that resets the TAP controller's
state machine.
TCK
Output
Test Clock
TCK synchronizes all JTAG transactions. TCK
connects to all JTAG devices in the scan chain. TCK
flows down the stack of modules and connects to
each JTAG device. However, if there is a device in the
scan chain that synchronizes TCK to some other
clock, then all down-stream devices are connected to
the RTCK signal on that processor.
TMS
Output
Test Mode Select TMS controls transitions in the tap controller state
machine. TMS connects to all JTAG devices in the
scan chain as the signal flows down the module stack.
TDI
Output
Test Data Input
TDO
Input
Test Data Output TDO is the return path of the test data input signal
TDI. In a multi-device JTAG chain, the TDO of the
first device connects to the TDI of the next device,
etc. The last device's TDO is connected to the TDO
on the JTAG header.
RTCK
Input
TCK Return
Table 6: ARM-20 pin definitions
I-jet®
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UCSARM-4:3
TDI is the test data input signal that is routed to the
TDI input of the first device in the scan chain.
RTCK is a mechanism for returning the sampled
clock to the JTAG equipment, so that the clock is not
advanced until the synchronizing device captured the
data. In adaptive clocking mode, I-jet is required to
detect an edge on RTCK before changing TCK. In a
multi-device JTAG chain, the RTCK output from a
device connects to the TCK input of the
down-stream device.
If there are no synchronizing devices in the scan
chain, it is unnecessary to use the RTCK signal and it
is connected to ground on the target board.
Technical specifications
Pin
I-jet
direction
Name
Description
VTref
Input
Voltage Target
Reference
This is the target reference voltage. It indicates that
the target has power. VTref is normally fed from Vdd
on the target hardware and might have a series
resistor (though this is not recommended).
VTref is used by I-jet to detect if target power is
active and to set JTAG signal voltage reference for
level translators.
nSRST
I/O
System Reset
Active LOW open-collector signal that is driven by
I-jet to reset the device and/or the target board.
I-jet senses this line to determine when you have
reset the device.
Vsupply
Output
--
This pin is not connected to I-jet.
DBGRQ
Output
--
This pin is not connected on I-jet.
DBGAC
K/TRGP
WR
Output
Target Power
This pin is used under SW control to supply 5 V
power to the target board. It should be routed
through a jumper shunt to the 5 V DC board input to
eliminate the power adapter during debugging. The
maximum current supplied by I-jet on this pin is
about 420 mA. When the current supplied reaches
~500 mA, the power will be shut down for
protection.
Table 6: ARM-20 pin definitions
The R2 pull-down on pin 17 of the I-jet MIPI20 connector is a signal to the I-jet that a
legacy ARM-20 adapter is being used. Other adapters will have different resistors so that
I-jet can identify them if needed. A solid GND on this pin means no adapter is being
used and the MIPI cable is connected directly between the I-jet and the target board.
ARM-20 header information (for target board)
The ARM-20 header is manufactured by Tyco Electronics. The part number is
103308-5. For more information, see the manufacturer's web page
http://www.te.com/catalog/pn/en/103308-5?RQPN=103308-5.
THE ADA-MIPI20-TI14 ADAPTER
The ADA-MIPI20-TI14 adapter adapts the I-jet standard MIPI-20 cable pinout to the
Texas Instruments 14-pin JTAG interface used on many OMAP, DaVinci, and other
TMS320, TMS470, and TMS570 target boards.
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UCSARM-4:3
Adapters
The adapter has the MIPI-20 male header on top for connecting the I-jet MIPI-20 cable,
and a TI-14-style female header (socket) on the bottom. The TI-14 JTAG header is a
14-pin, double-row, 0.1 in × 0.1 in (2.54 mm × 2.54 mm) pitch connector with a key
(plug) in position 6 to prevent misconnections. In case the key plug is missing, a white
arrow on pin 1 of the TI-14 connector helps you ensure proper orientation.
Figure 6: The ADA-MIPI20-TI14 adapter
This is a diagram of the adapter:
Figure 7: Diagram of the ADA-MIPI20-TI14 adapter
I-jet®
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UCSARM-4:3
Technical specifications
This is the pinout of the target TI-14 JTAG header. Pin 6 should be missing to indicate
the proper orientation.
TMS
1
2
nTRST
TDI
3
4
GND
PD
5
6
KEY
TDO
7
8
GND
TCK_RET
9
10
TCK
11
12
GND
GND
EMU0
13
14
EMU1
Figure 8: Pinout of the target TI-14 JTAG header
These are the pin defintitions for the TI14 header:
Pin
I-jet
Name
Description
nTRST Output
Test Logic
Reset
Active LOW signal that causes all test and debug logic in the
device to be reset along with the IEEE 1149.1 TAP.
TCK
Output
Test Clock
This is the test clock used for driving the IEEE 1149.1 TAP
state machine and logic.
TMS
Output
Test Mode
Select
Directs the next state of the IEEE 1149.1 TAP state machine.
TDI
Output
Test Data
Input
IEEE 1149.1 scan data input to the device.
TDO
Input
Test Data
Output
IEEE 1149.1 scan data output from the device.
RTCK
Input
TCK Return
Used only in Adaptive Clocking mode. I-jet monitors RTCK
to determine when to send the next TCK.
PD
Input
Power Detect Should be tied to the I/O voltage of the target device. Used
by I-jet to detect if target power is active and to set the
JTAG signal voltage reference for level translators.
EMU0
I/O
Emulation 0
direction
Depending on the device, EMU pins support boot modes
and other features. I-jet does not use this pin but it is routed
to the TRACEDATA[2] pin on the MIPI20 connector. For
proper booting, this pin should be pulled-up on the target.
Table 7: TI14 pin definitions
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UCSARM-4:3
Adapters
Pin
EMU1
I-jet
direction
I/O
Name
Description
Emulation 1
Depending on the device, EMU pins support boot modes
and other features. I-jet does not use this pin but it is routed
to the TRACEDATA[3] pin on the MIPI20 connector. For
proper booting, this pin should be pulled-up on the target.
Table 7: TI14 pin definitions
These are the top view dimensions of the ADA-MIPI20-TI14 adapter:
Figure 9: Top view of the ADA-MIPI20-TI14 adapter
A
18.9 mm (0.74 in)
B
17.7 mm (0.7 in)
C
19.4 mm (0.76 in)
D
1.8 mm (0.07 in)
E
11.0 mm (0.43 in)
F
17.8 mm (0.7 in)
These are the side view dimensions of the ADA-MIPI20-TI14 adapter:
Figure 10: Side view of the ADA-MIPI20-TI14 adapter
I-jet®
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UCSARM-4:3
G
0.5 mm (0.19 in)
H
5.1 mm (0.2 in)
I
9.1 mm (0.36 in)
Technical specifications
TI14 header information (for target board)
The TI14 header is manufactured by Samtec USA. The model number is TSM-17-DV.
For more information, see the manufacturer's web page
http://samtec.com/technical_specifications/overview.aspx?series=T
SM.
THE ADA-MIPI20-CTI20 ADAPTER
The ADA-MIPI20-cTI20 adapter adapts the I-jet standard MIPI-20 cable pinout to the
Texas Instruments compact 20-pin JTAG interface used on some newer OMAP,
DaVinci, and other TMS320, TMS470, and TMS570 target boards.
The adapter has the MIPI-20 male header on top for connecting the I-jet MIPI-20 cable,
and a cTI-20 style female header (socket) on the bottom. The cTI-20 JTAG header is a
20-pin, double-row, high-density 0.05 in × 0.1 in (1.27 mm × 2.56 mm) pitch connector
with a key (plug) in position 6 to prevent misconnections. In case the plug is missing, a
white arrow on pin 1 of the cTI-20 connector helps you ensure proper orientation.
Figure 11: The ADA-MIPI20-cTI20 adapter
23
UCSARM-4:3
Adapters
This is a diagram of the adapter:
Figure 12: Diagram of the ADA-MIPI20-cTI20 adapter
These are the pin definitions for cTI20:
Pin
I-jet
direction
Name
Description
nTRST
Output
Test Logic
Reset
Active LOW signal that causes all test and debug logic in
the device to be reset along with the IEEE 1149.1 TAP.
TCK
Output
Test Clock
This is the test clock used to drive the IEEE 1149.1 TAP
state machine and logic.
TMS
Output
Test Mode
Select
Directs the next state of the IEEE 1149.1 TAP state
machine.
Table 8: cTI20 pin definitions
I-jet®
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UCSARM-4:3
Technical specifications
Pin
I-jet
direction
Name
Description
TDI
Output
Test Data
Input
IEEE 1149.1 scan data input to the device.
TDO
Input
Test Data
Output
IEEE 1149.1 scan data output from the device.
RTCK
Input
TCK
Return
Used only in Adaptive Clocking mode. I-jet monitors
RTCK to determine when to send the next TCK.
PD
Input
Power
Detect
Should be tied to the I/O voltage of the target device.
Used by I-jet to detect if target power is active and to
set the JTAG signal voltage reference for level
translators.
EMU0
I/O
Emulation 0 Depending on the device, EMU pins support boot
modes and other features. I-jet does not use this pin but
it is routed to the TRACEDATA[2] pin on the MIPI20
connector. For proper booting, this pin should be
pulled-up on the target.
EMU1
I/O
Emulation 1 Depending on the device, EMU pins support boot
modes and other features. I-jet does not use this pin but
it is routed to the TRACEDATA[3] pin on the MIPI20
connector. For proper booting, this pin should be
pulled-up on the target.
nRESET
I/O
System
Reset
Active LOW open-collector signal that can be driven by
I-jet to reset the device and/or the target board.
I-jet senses this line to determine when a board has
been reset by the user or by watchdog timer.
Table 8: cTI20 pin definitions
25
UCSARM-4:3
Adapters
This is the pinout of the target cTI20 JTAG header. Pin 6 should be missing to indicate
the proper orientation.
TMS
1
2
nTRST
TDI
3
4
TDIS
TVD (PD)
5
6
KEY
TDO
7
8
GND
TCKRTN
9
10
GND
TCK
11
12
GND
EMU0
13
14
EMU1
nSYSRST
15
16
GND
EMU2 (NC)
17
18
EMU3 (NC)
EMU4 (NC)
19
20
GND
Figure 13: Pinout of the target cTI20 JTAG header
These are the top view dimensions of the ADA-MIPI20-cTI20 adapter:
Figure 14: Top view of the ADA-MIPI20-cTI20 adapter
I-jet®
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UCSARM-4:3
A
18.9 mm (0.74 in)
B
17.7 mm (0.7 in)
C
19.4 mm (0.76 in)
D
1.8 mm (0.07 in)
J
6.0 mm (0.24 in)
K
12.8 mm (0.50 in)
Technical specifications
These are the side view dimensions of the ADA-MIPI20-cTI20 adapter:
Figure 15: Side view of the ADA-MIPI20-cTI20 adapter
G
0.5 mm (0.19 in)
H
5.1 mm (0.2 in)
I
9.1 mm (0.36 in)
cTI20 header information (for target board)
The cTI20 header is manufactured by Samtec USA. The model number is
FTR-110-51-S-D-06. For more information, see the manufacturer's web page
http://www.samtec.com/technical_specifications/overview.aspx?seri
es=FTR.
27
UCSARM-4:3
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