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"No JLink Device found"

Musabbir Khan

I am trying to download blinky program in a EFM32(G880f128) microcontroller on a EFM32G880F128-H development board by using a U-Link me debugger and the uVision-4 environment. But It comes up with an error message "No JLink device found".

Any suggestions?

Parents
  • 0 Arm Employee Badge in reply to Musabbir Khan

    Hi,

    you do not need any Adapter.
    Go to the Segger Homepage segger.com and download the JLink driver (this includes the Windows driver).

    Then start UV, go to debug settings, select 'Cortex-M3 JLink', then 'Settings'.
    Set the Port to 'SW' (the EFM does not run in JTAG Mode?).

    Then the EFM32 should be found in the List (Coresight .....).

    ---
    Why dows this work?
    Because the EFM Boards have an embedded JLink (JLINK OB).

    .
    BR,
    /th.

Reply
  • 0 Arm Employee Badge in reply to Musabbir Khan

    Hi,

    you do not need any Adapter.
    Go to the Segger Homepage segger.com and download the JLink driver (this includes the Windows driver).

    Then start UV, go to debug settings, select 'Cortex-M3 JLink', then 'Settings'.
    Set the Port to 'SW' (the EFM does not run in JTAG Mode?).

    Then the EFM32 should be found in the List (Coresight .....).

    ---
    Why dows this work?
    Because the EFM Boards have an embedded JLink (JLINK OB).

    .
    BR,
    /th.

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