MCS-48/51/96单片机PC失控的恢复

The Reinstatement of the PC of MCS-48/51/96 Single Chip Computer from Its Loss of Control

微机系统受干扰冲击后，表现为程序指针PC、栈指针SP、状态字PSW及随机存储器RAM数据混乱情况具多数。本文以MCS──48／51／96单片机为例，深入探讨单片机系统PC失控后断点的捕获及恢复处理问题。介绍三种方法：陷井软件法、CTC监督法及PC监视法。

This paper described the problems of microcomputer out of control, and discussed how to reinstate the PC of the single chip computer (MCS-48/51/96)when it was out of control. The paper introduced three methods.