On 12/18/2015 10:58 PM, Fredrik Thulin wrote:
I don't recall any specific discussions about the RTC, but I think we wanted it
battery powered (naturally, sort of). I have the feeling that might be possible
with
the RTC in the STM32 too, in which case I believe there are no real reason to
have
a separate one.
Yes it is possible. From the STM32F429 datasheet:
VBAT = 1.65 to 3.6 V: power supply for RTC, external clock 32 kHz
oscillator and backup registers (through power switch) when VDD is not
present.
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