Hi All I've got a fleet of gigas, and we're working on the RTC capability. Ours are powered by a 3v CR2032 on our PCBs, and the RTC doesn't keep the time (i.e. resets back to 00:00:00) if we leave it unplugged for more than a couple of minutes. I've observed this behaviour on a couple of them now. …

Arduino Giga RTC doesn't remember the time

JohnRob March 25, 2024, 9:24pm 3

Looking at the processor spec: Vbat should be between 1.2 to 3.6 Vdc

from STM32H747xI/G:

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