Comments (1)
Hi,
This is not an issue with the library.
Both FlexiTimer2 and MsTimer2 are not being clocked asynchronously and are using the main clock to run.
It has to be clocked asynchronously to enable it to run while in sleeping.
Take a look at section 17.9 in the ATMega328P datasheet.
And most important thing to note:
- The CPU main clock frequency must be more than four times the Oscillator frequency.
Therefore, people usually put in a 32.768 kHz crystal instead of the full swing crystal for this purpose but use the internal 8 MHz as the main clock source.
from low-power.
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from low-power.