Hi, All Currently I am working at the timer of a project. The goal is to set the LCD into sleep_mode_pwr_down from a certain set time and then countdown. It will display the remain time for a few seconds once push the button ( an interrupt ). So my question is how to keep the timer running while in…

timer keep going under sleep mode ?

Peter_n December 18, 2014, 6:20pm 4

No, but the WatchDog has also a timer, you can keep that running and power everything else down. It is very (very) inaccurate, so an RTC is needed to know the time.

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timer keep going under sleep mode ?

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