摘要
介绍一种基于AT89C52单片机的通用A/D数据采集、RS-485通讯及大功率数码显示的显示屏的原理和系统的硬件构成、软件设计方法。该系统设置方便、A/D转换速度快、采集率高、为用户提供良好接口形式,在工厂自动化和仪表的控制中有良好的推广和应用价值。
This paper introduces principle and system hardware tormatlon and software deslgn method of display screen in unlversal A/D data collection, RS-485 communication and big power digital display based on AT89C52 SCM. Such system setup is easy to operate, with quick A/D switchover speed and high rate of collection, thereby providing a good interface way to the users, and making it possess good value of spreading and application in factory automation and control of instruments.
出处
《电工技术》
2007年第2期56-57,共2页
Electric Engineering
