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以串行Ａ／Ｄ芯片ＭＡＸ１７６为例，介绍了用单片机串行口实现Ａ／Ｄ采集的一种方法。通过该例，可举一反三，其它许多串行Ａ／Ｄ芯片，也可用类似方法实现。
Taking the serial A / D chip MAX176 as an example, a method of realizing A / D acquisition by using the serial port of single chip microcomputer is introduced. Through this example, one can learn from the others, many other serial A / D chips can also be achieved using similar methods.