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介绍了大规模单片机外围接口芯片PSD4××与89C196单片机的接口方法、开发方法及其在心电记录仪中的应用.应用表明该方法不仅有效地减小了整机的体积且降低了功耗.
The interface method and development method of PSD4xxx and 89C196 single chip micro chip peripheral interface chip and its application in ECG recorder are introduced.The application shows that the method not only can effectively reduce the size of the whole machine and reduce the power consumption.