本系统CPU采用AT 89s51，通过程序存贮器、数据存贮器、串口和并口的扩展，可以完成控制、计算、存贮和通讯等功能。
The system adopted AT89S51 CPU, which can finish controlling, computing, storing and communication functions through extending program memory, data memory, serial port and parallel port.
本文提出了在计算机实时控制系统中，程序飞出的判断及其处理方法；提出了随机存贮器的容错方法，I／O通道的容错方法以及数据的容错方法。
This paper discusses the judgement and process of program derailment, and presents fault tolerance methods in random access memory, I/O canal and data in computer real-time control system.
根据此第一存贮器存贮单元的存贮单元转换控制程序返回到原先的处理程序。
The return to the original processing program is made in accordance with the bank switching control program in the first memory bank.
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