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CC2340R5-Q1: Using ClockP timers instead of LGPT timers for low power?

Jacob Wyrick
Expert 8365 points
Part Number: CC2340R5-Q1

Tool/software:

Hi team,

Our understanding is that the ClockP timers are lower power than the LGPT timers on the CC2340R5-Q1 because the LGPT timers put the CC2340R5-Q1 into active mode and our system is very power conscious (long life on single battery).

Is it possible to use the ClockP timer for our project instead of the LGPT timers in order to save power?

Are there any issues with using multiple instances of the ClockP timer?

Thanks,

Jacob

  • +1
    TI__Expert 3561 points

    Greetings Jacob,

    Your understanding is correct. The ClockP module runs on the System Timer which is capable of running in the background, even when the device is in standby. This would mean that upon expiration of a timer, the device will be woken up, and a user-defined callback will be called where you can do whatever you'd like to do. What is the application you'd like to use the ClockP timer for?

    There are no problems with having multiple instances of the ClockP running in the system. The ClockP driver is sophisticated enough to handle multiple instances of ClockP running in the same application, where each instance can either be either a One-shot clock or a periodic clock.

    Best,
    Achyut Ray