STM32H573 with Secure Manager, non-secure app can't switch LSE as RTC clock
This works fine in an app without SM but when I run this from a non-secure app together with SM, the last step fails. This is the code: // Enable access to RTC and backup domain HAL_PWR_EnableBkUpAccess(); if (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY...