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Associate
Nov 4, 2025 12:16 PM UTC
Question

Window watchdog early wake-up interrupt (EWI) is not generating before watchdog reset in stm32h747

Configured WWDG timer in CM7 core of stm32h747I-disco and i have taken a window period of 10msec to 50 msec and configured according to that in cubeMX. also enabled Early Wake up interrupt and Window watchdog interrupt.
i am trying to check interrupt call back WWDG_IRQHandler() before reset as per reference manual rm0399.
issue: Core Reset is happening properly but WWDG_IRQHandler() is not getting called before reset

1 reply

TDK
Nov 4, 2025 12:39 PM UTC

Is it enabled? Show your code.

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