This paper mainly introduces interface circuit design of 8259a and 32 bit single chip microcomputer, provides a method for extension of 80960kb interrupt system.
本文主要介绍8259a与32位单片机80960 KB的接口电路设计，为该单片机中断系统的扩展提供一种方法。
Integrating the data storage controll circuit into the programmable chip facilitates function extension and upgrade.
将数据的存储控制电路设计在可编程芯片中，便于今后功能的扩展、升级。
The simulative experiment can increase the degree of extension and deep for the experimental teaching of electric circuit, and it's also helpful for theoretical teaching of electric circuit.
从仿真实验中体会到电路仿真能有效提高电路实验教学的广度和深度，对电路理论教学也很有裨益。
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