arduino / arduino/ArduinoCore-samd
RTC Drift & Reset
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improvement
- Dominant language
- C
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Description
Hello,
Measuring the RTC over long term with stable clean power shows a 30-35 ppm drift rate. (Side effect of the combination crystal?)
REG_RTC_FREQCORR is completely undocumented, see #255
Worst of all: RTC is reset apon insertion or removal of a sd card!
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