Solved
Do wakeup pins PA0, PC13 and PB3 on STM32WL55 require external pull-up?
I cannot find the external requirement for wakeup pins PA0, PC13 and PB3 on STM32WL55.
Do they need a pullup (e.g. 10K) to keep the output state once the MCU goes into one of the sleep modes?
Thanks

