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Restart a STM32G070 MCU

MZimm.3
Associate II

‎2023-09-05 05:37 AM

I am currently trying to start the bootloader in the system memory on the STMG070 from my application. To do this, I have changed the bits of the boot mode via software. Now it happens again and again that I can no longer access my MCU with the debugger. I think that the error is caused by incorrect FLASH settings. Is there any way to get the MCU back into debug mode to correct the settings?

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Imen.D
ST Employee

‎2023-09-05 07:35 AM - edited ‎2023-09-05 07:38 AM

Hello @MZimm.3,

Try reset using NRST pin to reset the STM32 hardware, choose connection method "Connect under reset".

I advise you this FAQ: How to make sure the STM32 starts properly in our design?

Imen

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Thanks
Imen
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