摘要
文中采用高精度AD芯片AD7891与C8051F040单片机组成高速数据采集系统,通过SPI总线,将AD7891与C8051F040直接连接,方便的实现了8路模拟量的高速采集和传输,并给出了SPI总线的接口电路及软件设计。
This article introduced the high accuracy AD chip AD7891 and C8051F040 chip microcomputer data acquisition system Through the SPI bus, AD7891 can be directly connected with C8051FO40,and thus facilitate the realization of the 8 channel analog high speed data acquisition and transmission, and gives the SPI bus interface circuit and software design.
出处
《电子设计工程》
2012年第22期44-46,共3页
Electronic Design Engineering
关键词
高精度
单片机
SPI
高速采集
high accuracy
microcomputer
SPI
high speed data acquisition
