With the commonly used serial bus as design basis, the kernel technologies, e. g., architecture and communication protocol of USB are analyzed and discussed.
本文以通用串行总线为设计基础，分析并讨论了USB的体系结构、通信协议等核心技术。
CAN bus is a serial communication protocol and ADAPTS to bottom layer communication of distributed control system.
CAN总线是一种串行通讯协议，适用于分布式控制系统的底层网络通信。
CAN bus is a serial data communication protocol. It is regarded highly because of its excellent performance, high reliability, flexible design and low price.
CAN总线是一种串行数据通信协议，由于其卓越的性能、极高的可靠性、独特灵活的设计和低廉的价格而越来越受到人们的重视。
Besides, the paper also improves a serial communication protocol based on RS-485 data bus, and realizes the application.
此外，本文还改善了基于RS- 485总线的串口通信协议，并实现了这种协议的应用程序。
Besides, the paper also improves a serial communication protocol based on RS-485 data bus, and realizes the application.
此外，本文还改善了基于RS- 485总线的串口通信协议，并实现了这种协议的应用程序。
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