本书规范了USB的工业标准。该规范介绍了USB的总线特点、协议内容、事务种类、总线管理、接口编程的设计，以及建立系统、制造外围设备所需的标准。-Book standardized industry-standard USB. The specification describes the characteristics of USB bus, agreement, transaction type, bus management, interface programming, design, and the establishment of systems, peripheral equipment required for manufacturing standards.相关搜索： usb
协议