[SOLVED] Error: AP[0] selected for communication is not an AHB-AP.

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  • [SOLVED] Error: AP[0] selected for communication is not an AHB-AP.

    Hello,

    I am trying to connect J-Link Ultra+ to Vorago VA10820 MCU on a custom board with J-Flash. But when I try to detect devices in JTAG chain, I get error: AP[0] selected for communication is not an AHB-AP. Please see attached picture of my configured J-Flash project. Could you please help me with this issue?

    Best regards

  • Hello,

    Thank you for your inquiry.
    Such an issue is not known to us.
    It seems that you are using a relatively old J-Link software version.
    To make sure this is not an effect that has already been fixed could you download the latest J-Link software version and try it out?
    segger.com/downloads/jlink/#J-…twareAndDocumentationPack

    Best regards,
    Nino
    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.

  • Hello Nino,

    Thank you for your reply. I will update my J-Link software to the newest version. Also I have managed to find the cause of the problem today. There was an error in the pcb layout, so the MCU clock was not working. Now it works fine.

    Best regards
    Firrel

  • Hello Firrel,

    Great to hear that you are up and running again.
    This thread will now be closed.

    Best regards,
    Nino
    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.