According to the datasheet the RTC_ISR1_RSF bit is by hardware when the shadow regs are updated. Is it safe to assume that the shadow regs will not be updated when the RSF bit is already set?

Hello,There is confusion regarding the EXTI_SRx bytes.After a power on reset if a gpio (D0) is configured as input with interrupt and interrupts are enabled,What is the state of the EXTI_SR1 and EXTI_SR2 bytes when the interrupt handler runs?Do both ...