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基于MC68HC908KX2的ICG模块的应用研究
引用本文:王磊,刘文生,海林鹏,齐俊艳. 基于MC68HC908KX2的ICG模块的应用研究[J]. 电子工程师, 2007, 33(3): 73-76
作者姓名:王磊  刘文生  海林鹏  齐俊艳
作者单位:1. 大连交通大学电气信息学院,辽宁省大连市,116028;河南理工大学计算机信息学院,河南省焦作市,454000
2. 大连交通大学电气信息学院,辽宁省大连市,116028
3. 河南理工大学计算机信息学院,河南省焦作市,454000
摘    要:介绍了8位Motorola单片机MC68HC908KX2与同类产品相比的优点,重点叙述了ICG(内部时钟发生器)模块取代晶振构成的时钟电路在系统中所具有的不可替代的优势。针对汽车检测产品可靠性高、方便实用、抗干扰能力强等特点,利用MC68HC908KX系列单片机提供的ICG模块和少量外围元件,设计了宝马汽车故障检测子系统。给出了ICG模块详细的设置方法、系统的硬件原理图和部分原代码。该方法解决了单片机系统在工控领域恶劣电磁环境下易受干扰的问题。

关 键 词:单片机  ICG模块  故障复位子系统
修稿时间:2006-07-11

An Appliation and Study of ICG Based on MC68HC908KX2
WANG Lei,LIU Wensheng,HAi Linpeng,QI Junyan. An Appliation and Study of ICG Based on MC68HC908KX2[J]. Electronic Engineer, 2007, 33(3): 73-76
Authors:WANG Lei  LIU Wensheng  HAi Linpeng  QI Junyan
Affiliation:1. Dalian Jiaotong University, Dalian 116028, China; 2. Henan Polytechnic University, Jiaozuo 454000, China
Abstract:This paper describes the advantages of Motorola single chip microcomputer of MC68HC908KX,especially the un-replaceable advantage of ICG module.A fault detection sub-system for BMW automobile,characterized by high reliability,easiness to operate and strong anti-jamming capacity,is designed by making use of the ICG of single chip microcomputer of MC68HC908KX and a few peripheral elements.The paper presents the method of ICG module setting in detail,system hardware principle diagram,and partial code.The method by which the problem of how the system of single chip microcomputer is easily being disturbed in electromagnetic environment solved is suggested.
Keywords:single chip microcomputer  ICG module  fault reset sub-system
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