2026-02-02 9:08 AM - edited 2026-02-02 12:33 PM
2026-02-02 9:41 AM
Your lines break stop mode real use ... DBG wakes other ways.
Learn here STM32CubeU3/Projects/NUCLEO-U385RG-Q/Examples/PWR/PWR_STOP3_RTC at main · STMicroelectronics/STM32CubeU3
or you use this example ???