Introduction - If you have any usage issues, please Google them yourself
Packet : 870031usbusb.rar filelist
usb
usb\11 集线器规范_1.doc
usb\02 术语和缩略词.doc
usb\05 USB数据流模型.doc
usb\07 USB电气特性(缩写).doc
usb\08 协议层.doc
usb\09 USB设备架构.doc
usb\10 usb主机硬件软件.doc
usb\01 intro.doc