.. _stm32-pm-stop3: STM32 PM STOP3 mode ################### Overview ******** This sample is a minimum application to demonstrate basic power management behavior in a basic blinking LED set up and STM32U5 STOP3 low power mode. .. _stm32-pm-stop3-requirements: Requirements ************ At the moment, only ``nucleo_u575zi_q`` board is supported. The board shall have an RTC to use it during the standby mode as a replacement for LPTIM (which is disabled). Building and Running ******************** Build and flash examples as follows: .. zephyr-app-commands:: :zephyr-app: samples/boards/stm32/power_mgmt/stop3 :board: nucleo_u575zi_q :goals: build flash :compact: After flashing, the LED starts to blink. PM configurations ***************** By default, :kconfig:option:`CONFIG_PM_DEVICE` and :kconfig:option:`CONFIG_PM_DEVICE_RUNTIME` are enabled.