RAL Community Member

  • Member since Jun 12th 2019
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  • RAL -

    Replied to the thread JLink Ultra+ JTAG/SWD Reset connections to STM32F2XX.

    Post
    I can see the J-Link side is standard ARM. Target side and the adapter board is what Im trying to clarify. Ive looked in the ARM docs, thats where I found reference to the functionality but cant find anything related to those connections. So basically…
  • RAL -

    Replied to the thread JLink Ultra+ JTAG/SWD Reset connections to STM32F2XX.

    Post
    Regarding my first question, ARM documentation states: ARM strongly recommends that both signals areseparately available on the JTAG connector. If the nRESET and nTRSTsignals are linked together, resetting the system also resets the TAPcontroller. This
  • RAL -

    Replied to the thread JLink Ultra+ JTAG/SWD Reset connections to STM32F2XX.

    Post
    Hi Fabian, I've already looked at that page. 1). The line "may experience some limitations when debugging." from that page is what my first question relates to... What exactly are the limitations? Im asking so I may de-risk any issues with the interface…
  • RAL -

    Posted the thread JLink Ultra+ JTAG/SWD Reset connections to STM32F2XX.

    Thread
    I'm designing a board with a JTAG/SWD connector for use with JLink and other ICD to program and debug (not sure if SWD only will suffice). I've noticed that most Cortex M debuggers don't route the TRST through, instead using the MCU reset. Firstly, how…