Application of WDT in Embedded System

doi:10.3969/j.issn.1000-3428.2006.15.100

Computer Engineering ›› 2006, Vol. 32 ›› Issue (15): 283-封3. doi: 10.3969/j.issn.1000-3428.2006.15.100

• Developmental Research • Previous Articles

Application of WDT in Embedded System

WU Longbiao1； GAO Haiying1；ZHENG Jianqun2

1. East China Institute of Computer Technology, Shanghai 200233; 2. Institute of Information, Second Institute of Artillery Army, Beijing 100085

Received:1900-01-01 Revised:1900-01-01 Online:2006-08-05 Published:2006-08-05

WDT在嵌入式系统中的应用

吴龙彪1；高海英1；郑建群2

1. 华东计算技术研究所，上海 200233；2. 第二炮兵装备研究院信息研究所，北京 100085

Abstract

Abstract:

This paper presents the principle, software and hardware realization of WDT, which is one of the anti-jamming technique. Taking 80386EX as an example, it introduces application of WDT in the embedded system, analyses the theoretic diagram and the source programme, recommends how to use the WDT to prevent the deadlock and also presents some common software, anti-jamming technique.

Key words: Embedded system, Anti-jamming, 80386EX, WDT

摘要： 介绍了作为抗干扰技术之一的WDT的原理及软硬件实现方法。以80386EX为例介绍了WDT 在嵌入式系统中的应用，通过分析原理图和源程序介绍了如何利用WDT防止系统死锁及一些常用的软件抗干扰技术。

关键词: 嵌入式系统, 抗干扰, 80386EX, WDT

CLC Number:

TP316

WU Longbiao； GAO Haiying；ZHENG Jianqun. Application of WDT in Embedded System[J]. Computer Engineering, 2006, 32(15): 283-封3.

吴龙彪；高海英；郑建群. WDT在嵌入式系统中的应用[J]. 计算机工程, 2006, 32(15): 283-封3.

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