提高8098单片机双极性输入A/D转换器分辨率的设计方法

A Design Method to Raise the Resolution of Bipolar A/D Converter in 8098 Monolithic Computer

提出了一种提高8098单片机双极性输入A/D转换分辨率的简单实用的软件和硬件设计方法,解决了用一路A/D转换通道分时转换多路双极性模拟输入量。文中给出了硬件电路图及软件程序清单,最后对在工程应用中可能出现的问题提出了解决方法。

A simple and practical, soft ware and hardware design method to raise the resolution of bipolar A/D converter in 8098 monolithic computer is proposed. It solves the problem of multiinput of bipolar analog quantity using one A/D channel with time-sharing method. The hardware diagram and the program list is given.