音响系统的USB接口开发分析及主流芯片比较。越来越多的音响系统采用USB接口标准，同时市场上出现了各种USB芯片方案，如何选择合适的芯片方案来设计系统具有一定挑战性，设计工程师需要了解USB音响系统的架构、USB主流芯片的功能特性、控制模块的设计。-USB audio system interface chips mainstream development analysis and comparison. An increasing number of audio systems using

本程序实现了U盘文件盗取功能，同时插入多个U盘也可实现-This procedure implements the U disk file stealing function, while U disk can be inserted to achieve more than

USB主机,有关Root-HUB的应用例子,初始化和枚举当前根集线器连接的USB设备,同时支持最多3个USB设备,支持一级外部HUB-USB host, the Root-HUB application examples, initialization, and enumerated the current USB devices connected to root hub, while supporting up to 3 USB devices that support an externa

uC-USB-V12 the largest portion of the USB design rests on implementation in software.-It s ubiquitous. The USB communication protocol is on one hand the most popular to integrate and on the other, one of the most difficult communications interfaces