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STM32G031 issue when using CubeProgrammer with UART bootloader

Pinglei
Associate

‎2025-02-16 06:37 PM - last edited on ‎2025-02-17 02:14 AM by

STM32G031Y8Y6TR is now burning some problems would like to consult

Serial port 1 after burning OK, when burning again can not read the MCU situation, help to see what will be the reason, how to solve, thanks a lot.

Pinglei_0-1739759751624.png

Pinglei_1-1739759758399.jpegPinglei_2-1739759764689.jpegPinglei_3-1739759769529.jpeg

 

 

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TDK
Guru

‎2025-02-16 08:03 PM

Are you holding BOOT0 high during reset so it enters the bootloader?

Is ground connected between board and UART module?

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Pinglei
Associate
In response to TDK

‎2025-02-16 11:23 PM

There is ground between the board and the UART module, and the BOOT0 remains at a high level of 5V

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