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Original question:

RF430FRL152H: Wake-up the device from Low Power Mode and RTC

CCS/RF430FRL152H: Using the Timer as a wake-up interrupt

Clementine Biet
Prodigy 10 points
Part Number: RF430FRL152H


Tool/software: Code Composer Studio

Hi, 

I am trying to use the Timer A as an input capture using the NFC project in CSS. However, it looks like the interrupt is never triggered. I think that it might be because the RF430FRL152H never wakes up from the LPM and is never active. Is there a way to wake-up on a input capture timer interrupt or does it have to be through RF?

Thanks, 

Clementine

  • 0
    TI__Mastermind 18265 points

    Hello Clementine,

    every interrupt will let the CPU leave the LPM mode and handle the interrupt service routine.

    If the timer capture interrupt (CCIE) is enabled, the MCU should leave the LMP mode and execute your ISR routine.

    Please check also the P1SELx settings if the input is configured as timer capture input.

    Best regards,

    Helfried