Tool version : uVision V4.72.10.0 EVM Board : MCBSTM32F200 (STM32F207IG) TEST example : C:\Keil\ARM\Boards\Keil\MCBSTM32F200\RL\USB\Device\RTX\CDC_ACM\VirtualCOM.uvproj
I test USB high speed CDC in MCBSTM32F200. But, connetion is failed. I do not understand.