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Reply to ARM: Configuration USB ports http://www.keil.com/forum/19376/ - above thread is accidentally read-only
> Joseph Moschini: > I was wondering if this issue was ever solved ?, I am having the same problem on STM32F407.
Refer to the recent ST USB library,
STM32F105/7, STM32F2 and STM32F4 USB on-the-go Host and device library v2.1.0 www.st.com/.../stm32_f105-07_f2_f4_usb-host-device_lib.zip
ST USB stack supports all device engines, FS, FS on OTG_HS, ULPI on OTG_HS.
You'll find port pin setups in usb_bsp.c of each device project, for example, STM32_USB-Host-Device_Lib_V2.1.0\Project\USB_Device_Examples\AUDIO\src\usb_bsp.c Find USE_USB_OTG_HS and ! USE_ULPI_PHY macros.
Tsuneo
Bit 6 PHYSEL on OTG_HS_GUSBCFG is described on STM32F2xx Reference Manual (RM0033, December 2011 rev4). But this bit is reserved on STM32F4xx Reference Manual (RM0090, September 2011 rev1) I believe the OTG_FS/OTG_FS cores are identical on these STM32 families.