JLink Lite CortexM - OSX 10.9.2 - JLinkExe 4.84 - nRF58122 PCA10004

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  • JLink Lite CortexM - OSX 10.9.2 - JLinkExe 4.84 - nRF58122 PCA10004

    Howdy,

    I've been having trouble getting my JLink Lite to connect to a nRF58122 devboard. Here is the output of JLinkExe:

    Source Code

    1. $ jlinkexe
    2. SEGGER J-Link Commander V4.84 ('?' for help)
    3. Compiled Mar 28 2014 16:35:14
    4. DLL version V4.84, compiled Mar 28 2014 16:35:10
    5. Firmware: J-Link Lite-Cortex-M V8 compiled Aug 29 2012 15:24:23
    6. Hardware: V8.00
    7. S/N: (removed)
    8. Feature(s): GDB
    9. VTarget = 2.316V
    10. Info: Could not measure total IR len. TDO is constant high.
    11. Info: Could not measure total IR len. TDO is constant high.
    12. No devices found on JTAG chain. Trying to find device on SWD.
    13. No device found on SWD.
    14. Did not find any core.
    15. Failed to identify target. Trying again with slow (4 kHz) speed.
    16. Info: Could not measure total IR len. TDO is constant high.
    17. Info: Could not measure total IR len. TDO is constant high.
    18. No devices found on JTAG chain. Trying to find device on SWD.
    19. No device found on SWD.
    20. Did not find any core.
    21. No device found at all. Selecting JTAG as default target interface.
    Display All


    I have been successful to program the PCA10000 using my Mac.

    Another note: I was able to get the JLink Lite to work on a collegue's linux machine.

    Any insight into the issue would be super helpful!

    Regards,

    Jared

    www.jaredwolff.com
    Avoiding calls to the fire department daily at Circuit Dojo.

  • Hi Jared,

    Yes, you did.
    See VTarget reported by J-Link LITE. It says 2.3V
    J-Link LITE is specified for 3.3V targets only and the nRF Kits (which are delivered with J-Link LITE) are running at 3.3V.
    Anyhow, good to hear that you are up and running.


    - Alex
    Please read the forum rules before posting.

    Keep in mind, this is *not* a support forum.
    Our engineers will try to answer your questions between their projects if possible but this can be delayed by longer periods of time.
    Should you be entitled to support you can contact us via our support system: segger.com/ticket/
    Or you can contact us via e-mail.