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介绍了一种利用能与微处理器直接相连的专用接口芯片NAT9914构成GPIB接口的硬件电路 ,同时给出了为实现GPIB接口而对其进行初始化的程序流程图及程序 ,最后介绍了实现讲功能的软件编程。
This paper introduces a kind of hardware circuit that uses the special interface chip NAT9914 that can be directly connected to the microprocessor to form the GPIB interface. At the same time, the program flow chart and program for initializing the GPIB interface are given. Finally, Software programming.