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STM32F303 USB VCP device not showing up - windows 10

GPavl
Associate

‎2019-07-18 03:17 AM

I'm having issues getting USB to work on STM32F303RE. The device doesn't show on windows machine. I'm using 24 MHz 10ppm external xtal. I generated initialisation code for keil with cubemx (using STM32Cube FW_F3 V1.10.0) with just USB enabled and it doesn't work. I double checked every connection in pinouts. You can find clock configuration attached. Is there a bug in USB drivers? I tried using older FW with no success.

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2 REPLIES 2
Gabriel Melo
Associate III

‎2019-07-18 03:31 AM

Is it recognized as an Unknown Device or it does not show at all ?

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GPavl
Associate
In response to Gabriel Melo

‎2019-07-18 03:32 AM

It doesn't show at all. Program also runs to main loop without errors in initialisation.

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