Solved: STM32H74xxx/75xxx configuration DFU Mode - STMicroelectronics Community

AN2606 says it must be configured in USB FS configured in forced device mode.
USB FS interrupt vector is enabled and used for USB DFU communications.

Is it also possible in USB_OTG_HS mode?

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Hello @roblahnst and welcome to the community

DFU is available only on USB_OTG_FS for STM32H74x/H75x:

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Hello @roblahnst and welcome to the community

DFU is available only on USB_OTG_FS for STM32H74x/H75x:

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.