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Auto-Reset Failure After Flashing STM32WLE5JC

suriya
Associate II

Hello, I’m facing an issue with the STM32WLE5JC controller after flash programming.

After programming, the controller does not automatically reset. It only starts working after manually turning the power OFF and ON. In these cases, I've observed the following:

  • Sometimes the controller enters an idle or hang state.

  • When the watchdog timer expires, instead of resetting, the controller stays in idle.

  • After a manual power cycle, the controller works as expected.

It seems the issue occurs specifically when the automatic reset after programming does not happen. Any insights or suggestions on this would be greatly appreciated.

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