We are using ST32H743BI in an our project because of it having 3 of 16bits ADCs. But we can not reach resolution that project needed. I checked a simple project "STM32Cube_FW_H7_V1.3.0\Projects\STM32H743ZI-Nucleo\Examples\ADC\ADC_OverSampler" on NUC...

I am using STM32H743BI controller. I need to use backup RAM as nonvolatile ram. So I use external 3V battery and LSE 32.768 crystal for RTC. RTC works well but I can not use backup RAM. I use code like below;PWR->CR1 |= PWR_CR1_DBP;while(((PWR->CR1 &...