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STM32L051: select LSE as LPUART clock source for wakeup from stop mode?

Rita
Visitor

‎2025-12-16 8:29 AM - last edited on ‎2025-12-16 1:14 PM by

Can STM32L051 set LSE be LPUART clock source to wake up the MCU? If yes, how to configure.
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KnarfB
Super User

‎2025-12-16 1:13 PM

Yes it can for up to 9600 baud, see https://youtu.be/mKOWKQpws6M?list=PLnMKNibPkDnEv9eUjkQuJaJkmLlVlABf_&t=425

hth

KnarfB

 

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