Peripheral firmware examples description

AN4157

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Doc ID 023629 Rev 1

As a result, when the WWDG counter falls to 43, the WWDG reset occurs:

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If the WWDG reset is generated, after the system resumes from reset, LED3 turns on.

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If the EXTI Line event does not occur, the WWDG counter is indefinitely refreshed in

the main program infinite loop, and there is no WWDG reset.