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SKCL-1
Associate
Apr 2, 2025 4:04 AM UTC
Question

USBX driver CDC virtual comport

Hi,

While configuring STM32U585 controller USBX driver CDC virtual comport device is not showing in device manager. Pl provide sample code for STM32U585VIT6. This is out custom board with a USB port acting as device to the PC.

This topic has been closed for replies.

2 replies

FBL
ST Technical Moderator
Apr 2, 2025 10:55 AM UTC

Hi @SKCL-1 

If you can share the USB schematics, your firmware configuration and additional details it will be easier to help you further investigate the issue.

To give better visibility on the answered topics, please click on "Best answer" on the reply which solved your issue or answered your question.Best regards,FBL
SKCL-1Author
Associate
Apr 9, 2025 7:35 AM UTC

SKCL1_0-1744184023788.png

SKCL1_1-1744184046302.png

Attached schematic of the USB section. 

SKCL1_2-1744184077277.png

We are looking for firmware support, so that we can see virtual com board. THe board is working so clk and other areas are no issues, Currently we are drawing power from the 2-usb ports

 

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