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Wake up pin identify issue

Adams
Associate II

I use 3 wake up pin PA0,PC5 and PC13 .(MCU part number is STM32L452)

When trigger wake up pin to wake up MCU from the standby mode.

How to identify which WAKE UP PIN is triggered?

3 REPLIES 3

Which STM32?

JW

HI,

My MCU part number is STM32L452

Read out and check the PWR_SR1.WUFx bits.

JW