基于X25043/45E^2PROM的嵌入式系抗干扰、自修复技术  

The Embedded Technology of Resistance to Interface and Self-Repairs Based on X25043/45 E^2PROM

作　　者：齐志才[1] 韩成浩[1] 

机构地区：[1]吉林建筑工程学院电气自动化与电子信息工程系,130021

出　　处：《工业控制计算机》2002年第11期43-45,61,共4页Industrial Control Computer

摘　　要：本文基于确保嵌入式应用系统可靠运行的观点,利用X25043/45E2PROM芯片的上电复位、电源监视复位、WDT复位及E2PROM非易失可保护性能,实现了系统故障修复技术。文中阐述了系统抗干扰自修复技术的思想方法;介绍了X25045与MCS-51系列芯片硬件按口电路;阐述了软件的设计方案及程序框图。同时指出了在设计嵌入式系统时,为使系统具有较好的电磁兼容性(EMC),还要考虑其他的一些因素。In this paper,we realize the technolog y of system repairs,based on the point of assuring the operation of the embedded applied system,by electrical recovery,monitoring recovery,WDT recovery on the chip of X25043/45E 2 PROM.The paper mainly elaborates the embedded technolog y of resistance to interfence and self-repairs,it introduces the interface circuit of the chips of X25045and MCS -51,it details the desig n of software and prog ramme module.Meanwhile we emphasis that we should consider other factors for the con-patibility of EMC,while desig eing the embedded system.

关 键 词：X25043/45 E^2PROW 抗干扰 自修复 单片机 嵌入式系统 电磁兼容性 电磁干扰 非易失性器件 

分 类 号：TP332[自动化与计算机技术—计算机系统结构]