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CCS: Wakeup hercules from Snooze mode

nguyen quan
Intellectual 280 points

Tool/software: Code Composer Studio

Hi everyOne

I am new with Hercules, I used the code below to Snooze RM46, but i can not wake up it eventthough i set RTI with very short .

Does anyone know any proceduce to wake up the MCU, or have Code example.

Very appreciated your answer.

Thank you very much.

  • 0
    TI__Guru 59540 points
    If now you have entered into a LPM and you are not able to intersect before entering this mode in order to reprogram the device or debug, the device is in a state that some have called "bricked" and you need to pursue a recovery method with it. The thread linked below shows some methods that can be used to intersect entry into LPM and perhaps be able to reprogram the device and correct whatever error you have introduced.

    e2e.ti.com/.../1918205

    Also, if you want to use RTI for your wakeup source, you need to leave the RTICLK domain active otherwise there is no way for it to count and trigger the interrupt.

    For other sources such as CAN, SCI, GPIO, you need to see the respective processes in those module sections of the TRM to understand those requirements individually.

    This post discusses CAN wakeup:
    e2e.ti.com/.../2363875
  • 0 in reply to Chuck Davenport
    Intellectual 280 points

    Thanks so much for your answer!

    I will do it and show you the result.

    Have a good day.