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Thread: how to get 48 bit timer value (CCU4)

  1. #1
    New Member New Member Evgeny is on a distinguished road
    Join Date
    May 2019

    how to get 48 bit timer value (CCU4)

    I use 3 concatenated slices of CC40. I need to get the time stamps of 48bit counter periodically.
    Of course I can read time value of each slices but if at this time one of the counters overflows i'll get a wrong timestamp.
    Now i use timers in compare mode, if I'm not mistaken in capture mode i can to store at the moment time values of each timer(and then read this timestamp), but event connects to defined pin, and in my case i need to get timestamps via application.
    Could you help me?

  2. #2

    Infineon Employee
    Infineon Employee
    jferreira will become famous soon enough
    Join Date
    Oct 2012

    You can use as input for the capture event the SCU_GSC4x signals that get activated by writing to SCU_GENRAL->CCUCON register or using XMC_SCU_SetCcuTriggerHigh()/XMC_SCU_SetCcuTriggerLow().

    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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