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C6748 USB1.0



1.在TI的论坛看到TI的工程师说startware不支持USB1.1的驱动,只支持USB2.0,是这样吗

2.startware里面的USBHCD***相关的函数作用具体是什么,HCD和USB0、USB1的联系是什么

3.如上所述,既然USBHCD能传参进去,为什么不能传USB1,只能传USB0

请教下TI的工程师,谢谢