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Original question:

LP-MSPM0L1306: About Forced Reset

MSPM0L1304: re-gain debug access via NRST

TISL
Expert 4415 points
Part Number: MSPM0L1304

Dear E2E Support,

In Chapter 20.1.2 of our TRM, we mention that it's possible to re-gain debug access to a device which contains software that disables the SWD pins.

Could you clarify the exact sequence, duration, etc... we should apply on NRST?

Regards,

  • 0
    TI__Genius 9300 points

    Hi there,

    I will reply soon.

    Thanks,

    Yuhao

  • 0 in reply to Yuhao Zhao
    TI__Genius 9300 points

    Hi there,

    There may be some issues about this description. We are checking it.

    If you want to regain debug access, you can consider other ways

    1. Use bootloader to load the code
    2. Before configuring these two pins, add a conditional judgment, or add a delay, so that you can access SWD at the beginning
    3. Use an interrupt to re-config two pins

    Thanks,

    Yuhao