OTG_HS_FS doesn't work

guillaume · ‎2011-08-22

Posted on August 22, 2011 at 13:37

Hello,

I'm currently working on a STM32F207IG6. If we use the pins PA9, PA11 and PA12 there isn't any problem. But if we use the pins PB13, PB14 and PB15 configured has GPIO_AF_OTG_HS_FS, the usb doesn't even start (the pin PB15 (DP) doesn't even pull up).

Any idea why ?

#stm32

Tesla DeLorean · ‎2011-08-22

Posted on August 22, 2011 at 15:48

Any idea why ?

From the information provided, one might guess the GPIOB clock is not enabled.

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