摘要
串行数/模转换可以简化数据采集系统的硬件,在特殊应用条件下有一定的优势。介绍AD7890型串行数/模转换器的基本结构和工作原理,给出与51系列单片机的接口电路应用实例、硬件原理及C51驱动软件。
The serial A/D converting which can be used to simplify hardware of data acquisition sys- tems has great advantage in certain especial application condition. The features and operating principle of serial A/D converter AD7890 are introduced, and an example of its interface for 51 series singlechip microcomputer with the hardware explanation and C51 software are presented.
出处
《国外电子元器件》
2006年第8期4-7,共4页
International Electronic Elements
基金
国家863"十五"重大项目(2001AA602103)
关键词
串行数
模转换器
单片机
接口
设计
serial A/D converter
single-chip microcomputer
interface
design
