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CLeo.1
Senior II
May 10, 2021 9:42 PM UTC
Solved

STM32H753 DFU Mode "A request for the USB device descriptor failed.:

Hi guys, having an issue getting the DFU mode working again.

Learning from my last mistake where I didnt connect the USBV33V last time, however this time I did.

The computer is detecting the MCU, but I guess the MCU for whatever reason does not want to say its descriptor, any reason why?

MCU: stm32h753zit6

SCHEMATIC:

0693W00000ANvBbQAL.jpg

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CLeo.1
CLeo.1Best answer
Senior II
May 10, 2021 10:22 PM UTC

Issues was hardware. The physical USB 2.0 Micro was not seated properly even after doing it 5 times.

1 reply

CLeo.1
CLeo.1AuthorBest answer
Senior II
May 10, 2021 10:22 PM UTC

Issues was hardware. The physical USB 2.0 Micro was not seated properly even after doing it 5 times.