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本文在扩充了地址重叠和地址分区概念的基础上,分析了单片机系统在正常工作和受到干扰后工作的不同之处,指出如何利用地址重叠和地址分区技术,避免程序“跑飞”和减少自复位对系统的影响,进而提出了提高系统可靠性的链型自复位概念.文中提出的观点也可以推广到其它微机系统中去,对提高微机系统在工业应用中的可靠性也具有重要意义。
Based on the concept of address overlap and address partitioning, this paper analyzes the difference between the normal operation of SCM system and the work after interference, and points out how to use the address overlap and address partitioning technology to avoid the " Reduce the impact of self-resetting on the system, and then put forward the concept of chain self-reset to improve the system reliability.The viewpoint put forward in this paper can also be extended to other microcomputer systems, which is also important to improve the reliability of microcomputer systems in industrial applications significance.