This paper mainly introduces interface circuit design of 8259a and 32 bit single chip microcomputer, provides a method for extension of 80960kb interrupt system.
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。
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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.