Chinese version of the USB protocol, including architecture, data flow model, USB electrical characteristics, protocol layer and device architecture content. Suitable for embedded developers reference.

USB协议（中文版）\02 术语和缩略词.doc
.................\05 USB数据流模型.doc
.................\07 USB电气特性(缩写).doc
.................\08 协议层.doc
.................\09 USB设备架构.doc
.................\10 usb主机硬件软件.doc
.................\11 集线器规范_1.doc
.................\3背景.pdf
.................\4体系结构概述.pdf
.................\~$ intro.doc
USB协议（中文版）
.................\01 intro.doc

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