if you shut down the board and ​remove the battery, the backup domain is reseted to default and most times the LSE start ok

I found a solution.You must disable LSE before change drive capability LL_PWR_EnableBkUpAccess(); LL_RCC_LSE_Disable();// add this line // LL_RCC_ForceBackupDomainReset(); // comment this line // LL_RCC_ReleaseBackupDomainReset(); // comment this li...

Hello, I confirm the issue. Im working on a custom board with stm32h743vi. May be a fail in some MCUs, I allready have 100 boards running, 3 of them has the RTC issue after a power down. LL_RCC_LSE_SetDriveCapability(LL_RCC_LSEDRIVE_HIGH); doens´t ta...