摘要
文章首先简单介绍了RS-485串行数据接口标准,并概述了串行通讯协议的定义及分类,之后详细分析了SDLC数据帧格式。最后介绍了一个基于RS-485串行数据接口标准的双通道总线收发控制器的设计原理、工作方式及采用的流程方法。
The paper describes RS-485 agreement serial communication agreement＇s definition and sort. SDLC data＇s format is particularly recommended. The theory, working mode and design technique of a dual channel bus transceiver based on RS-485 are also included.
出处
《电子与封装》
2007年第8期24-26,共3页
Electronics & Packaging
