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Backup registers

Question asked by withi.mark on Jan 19, 2016
Latest reply on Jan 19, 2016 by peacock.jack.003

I need to write on the backup registers when a falling edge is detected on PA0. So I put some capacitors on Vbat but now I need some advice to write the stmcube code. 
Then I have to be sure that the value stay in the backup register when my capacitors will be discharged.

I'm working with STM32F100.

Someone could help me please?