On one of our boards we cannot reprogram the MCU.Part number STM32F427VGT6. But the MCU is working fine otherwise, it is reading and sending data. The MCU is not detected for programming

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Guru

Perhaps one of the engineers responsible for the design can help you?

Does behaviour change if BOOT0 is pulled high?

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Associate

NO.will get an error "NO STM 32 target found ! " is the erroe message we get

Chief III

Not detected where ? SWD USB USART ....

Is MCU in STOP or STANDBY ? Use under reset connect mode if SWD...

Associate

I tried to program using ST link and Cube IDE. Sharing the screenshot here.

Chief III

On your image right set MODE : Under reset

Associate

I Changed but still the condition is same.

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