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Thread: XMC4500 Relax Kit - use external j-link

  1. #1
    New Member New Member Koumak is on a distinguished road
    Join Date
    Feb 2013

    XMC4500 Relax Kit - using external j-link

    Hi all,
    can someone help me how to use external j-link....?

    I want use J-Link EDU from SEGGER: http://www.segger.com/j-link-edu.html to debug MCU in relax kit.

    I have connected "Cortex Debug" pins according to manual: Click image for larger version

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    nTRST: I did not use
    TDI: I used pin 8 at X5 (cortex debug - on relax kit board)
    TMS: I used pin 2 at X5 (cortex debug - on relax kit board)
    TCK: I used pin 4 at X5 (cortex debug - on relax kit board)
    RTCK: I did not use
    TDO: I used pin 6 at X5 (cortex debug - on relax kit board)
    nRST: I used pin 10 at X5 (cortex debug - on relax kit board)
    But I had problem with connection...

    I tried to use Dave3 ... in config debug a chose Target: Relax kit; connection: j-link over USB(JTAG)
    ... error log from dave3:
    Using Debug Target Configuration:
    Target: Infineon XMC4500 Relax kit
    Selected CPU type: ARMv7EM
    Register file: C:/DAVE-3.1.6/DAVE-3.1/Debugger/etc/sfr/CM4/DeviceSupport/Infineon/XMC4500_series/XMC4500.xml
    Communication: J-Link over USB (JTAG)
    Debug Instrument Module: dijlinkarm
    Using Flash Configuration:
    Monitor : fARMv7M.sre
    Workspace address : 0x20000000
    Number of devices : 1
    Device 0:
    Address : 0xC000000,0x8000000
    Vendor : Infineon
    Chip : XMC4XXX/1024K
    Width : 32
    Size : 1048576
    Number of chips : 1
    Unused address line : 0
    Configuration: Default
    Using Java Link Version 1.113
    Starting Debugger...
    TASKING VX-toolset for ARM: debugger, Build 188
    Copyright 2006-2013 Altium BV

    The debug instrument IO could not be initialized.
    The GDI debug instrument provided the following error message.
    An error occurred while connecting to the target. The exact cause is unknown, but possibly, the J-Link is not connected to the target properly.
    Does someone know what is wrong?

    Last edited by Koumak; Apr 17th, 2013 at 01:41 AM.

  2. #2
    Hi Koumak,

    Is the on-board debugger of the relax kit is still connected?


  3. #3
    New Member New Member Koumak is on a distinguished road
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    Feb 2013
    I already split relax kit into two boards - debugger and alone MCU => on-board debbuger is disconnected
    (as same as in video here:

    Note: I already tried SWD debugging - and it is OK ... So I dont know what is wrong with JTAG debbuging...

    Last edited by Koumak; Apr 18th, 2013 at 05:52 AM.

  4. #4
    Let me check for you and I ill get back to you as soon as possible.

  5. #5

    Infineon Employee
    Infineon Employee
    Marillion is on a distinguished road
    Join Date
    Feb 2013
    Hi Koumak,

    the JTAG Interface of the XMC4000 must be enabled by pulling up the TRST# pin of the XMC4000 with a resistor. After a system reset P0.8 is working asTRST# with a
    weak pull-down active. So, tie pin 24 (P0.8=TRST#) of pin header X2 to pin 38 (VDD3.3)
    Does this help?

    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  6. #6
    New Member New Member Amsantos will become famous soon enough
    Join Date
    Dec 2012
    Dave-3 is now supporting the segger jlink? Or only the EDU version.


  7. #7
    Hi Ari,

    You still can use segger J-Link h/w. However you can only get limited debug features since we are using Tasking debugger s/w.

    Best regards,

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