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STM32L0x WWDG in Stop Mode -> Problem

Question asked by Matthias Schranz on Jun 21, 2017



I'm using the STM32 Window Watchdog (WWDG) to make sure my firmware behaves, as it should. My problem is, as soon as the MCU wakes up from STOP-Mode, the WWDG makes an immediate reset. As i saw in the reference manual, the WWDG should be stopped in STOP-Mode and continue to work as soon as the system wakes up.


Does anyone else had the same problem or an idea?


thanks for your help!