中颖69p43单片机实现A/D转换功能的实例。8位ADC模块，输出数字量在00H~FFH之间，内部转换过程采用逐次逼近法，转换速度相当快-Ying 69p43 in the single chip A/D conversion function of the instance. 8-bit ADC module, the output of digital content between the 00H ~ FFH, the internal conversion process using successive approximation method, very fast conversion speed