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STM32U575RGT6 without UCPD

Mickael_Biyotee
Associate

‎2025-02-04 07:44 AM

Hi,
We're in the process of developing a new board and I've got a question about USB.

We would like to have a USB device with MSC only.

Can we not activate the UCPD and work with the TCPP01-M12 FLT, DB CC1 and CC2 signals at ground (as on the STM32U545 eval kit)?

At the moment, I can't get the USB to work without the UCPD enabled on the NUCLEO-U575ZI-Q board.

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jiangfan
ST Employee

‎2025-02-04 11:17 PM - edited ‎2025-02-04 11:19 PM

Your question:

We would like to have a USB device with MSC only.

Can we not activate the UCPD and work with the TCPP01-M12 FLT, DB CC1 and CC2 signals at ground (as on the STM32U545 eval kit)?

 

I think it is OK to have a USB device with MSC to work without UCPD (UCPD pins floating).

 

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