（1）．　　进行A/D转换时，采用查询EOC的标志信号来检测A/D转换是否完毕，若完毕则把数据通过P0端口读入，经过数据处理之后在数码管上显示。-For A/D conversion using query EOC signal to detect signs of the A/D conversion is completed, if completed through the P0 port while the data read through data processing in the digital control after the show.