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mmari.14
Visitor II
May 19, 2020
Question

STM32H7 IWDG is not disabled after software reset.

  • May 19, 2020
  • 0 replies
  • 488 views

My application requires to be started without watchdog enabled (don't ask why).

But it seems that once enabled, after a software reset the IWDG continues to run, and if not treated in time causes to another reset. Note that the "Hardware watchdog�? feature is not enabled...

Whit older STM32 MCUs I did not encountered such issues.

Is it a bug or a feature? Does anyone have any ideas on this?

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