5 years, 8 months ago.

Nucleo F401RE board - RTC accuracy

Hi, I'working on a nucleo-f401re board with mbed online ide.

I see that the Real Time Clock (RTC) loses some seconds every minute. Is possible? How to improve the accuracy of this timer?

Is possible to connect an external oscillator only for the RTC and let the board run at 84Mhz?

Thank you

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