How do I implement RTC wakeup in STOP2 low power mode using the STM32WLE4C8 MCU?

[SRoop.1]

I can make the RTC wakeup work in Standby mode, but not STOP2 mode.

[Franksterb92]

check out https://www.st.com/resource/en/application_note/an4759-using-the-hardware-realtime-clock-rtc-and-the-tamper-management-unit-tamp-with-stm32-microcontrollers-stmicroelectronics.pdf

section 2.4.1

[Sarra.S · Accepted solution]

Hello @SRoop.1​ and Welcome to ST Community,

Let's start by which board are you using, which example and environment

Are you using the "PWR_STOP_RTC" example provided by ST

[SRoop.1]

Hi Sarra.S, thanks for your response.

I managed to try the "PWR_STOP_RTC" example on our custom board and it works.

I have ported the changes to my project and it works. Thank you.