在线阅读 --自然科学版 2009年1期《PC机与单片机的多机通信技术及抗干扰措施》
PC机与单片机的多机通信技术及抗干扰措施--[在线阅读]
刘俊伏, 刘金娥
石家庄信息工程职业学院计算机系, 河北石家庄 050035
起止页码: 28--32页
DOI:
摘要
介绍了PC机与单片机的多机通信技术,给出了基于RS-485总线的PC机与单片机通信接口的硬件电路图及软件编程的代码;结合应用的实践经验,分析了影响RS-485通信的干扰源,阐述了硬件线路和软件设计两方面的抗干扰措施.

The Multi-communication and Anti-interference Method of PC and SCMC
LIU Jun-fu, LIU Jin-e
Department of Computer, Shijiazhuang Information Engineering Vocational College, Hebei Shijiazhuang 050035, China
Abstract:
The multi-communication technology between PC and SCMC is introduced.The circuit diagram and procedure code of the communication interface based on RS-485 are given.Incorporating with practical experience,dist urbance sources which disturb RS-485 communication has been analyzed and the anti2interference method in two aspects of the hardware circuit and the software designing is set forth.

收稿日期: 2008-3-8
基金项目: 河北省建设厅科研基金(2004-109)

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