| 基于RS-485的多机串行通信系统的设计 |
| |
| 引用本文： | 谢春萍,陈铁军.基于RS-485的多机串行通信系统的设计[J].玉林师范学院学报,2006,27(5):158-161. |
| |
| 作者姓名： | 谢春萍 陈铁军 |
| |
| 作者单位： | 玉林师范学院,职业技术学院,广西,玉林,537000 |
| |
| 摘 要： | 介绍基于RS-485总线的PC和多单片机的串行通信方法,讨论了总线接口转换、主从式通信协议设计问题,并给出了通信过程流程图;文中还提出了差错控制以及硬件设计中总线隔离、失效保护、电磁干扰问题等几个要注意的问题.
|
| 关 键 词： | PC 单片机 串行通信 RS-485 |
| 文章编号： | 1004-4671(2006)05-0158-04 |
| 收稿时间： | 2006-06-05 |
| 修稿时间： | 2006年6月5日 |
Design of Multiple MCUs Communication System Based on RS-485 |
| |
| XIE Chun-Ping,CHEN Tie-Jun.Design of Multiple MCUs Communication System Based on RS-485[J].Journal of Yulin Teachers College,2006,27(5):158-161. |
| |
| Authors: | XIE Chun-Ping CHEN Tie-Jun |
| |
| Institution: | 1.Assistant, Vocational Technology Department, Yulin Normal University, Yulin, Guangxi 537000;2.Senior Engineer, Vocational Technology Department, Yulin Nonnal University Yulin, Guangxi 537000 |
| |
| Abstract: | The communication between PC and multiple MCUs based on RS-485 is described in detail. The bus interface conversion and the design of master-slave communication protocol is introduced. The program flowchart of communication is given. The article also describes some important questions for hardware design, error control, bus insulation, invalidation protection and electromagnetism interfere, etc. |
| |
| Keywords: | PC microcontroller serial communication RS-485 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
