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MSP430F6779A: RTC slower

Part Number: MSP430F6779A

Tool/software:

What happened if we do not init prescale counters (RT0PS, RT1PS).

  • Hi Waragorn,

    If you don't set the prescale counters then you'll have an indeterministic initial value which could cause your RTC value to be incorrect. If you look at the block diagram you can see the propagation of the RT0PS and RT1PS to the RTC Counts. This could cause you to be 0-1 seconds off depending on what state they are at initially.

    Regards,
    Luke

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