issue about stm32l431 rtc second register update
Posted on July 19, 2017 at 04:51hi,i initialize and set rtc as followint rtcInit(void){ RCC->APB1ENR1 |= RCC_APB1ENR1_PWREN; // enable PWR clock PWR->CR1 |= 0x00000100; // disable BD write protect while(0 == (PWR->CR1 & 0x00000100)); ...