基于SPI总线的多路数据采集系统的设计
기우SPI총선적다로수거채집계통적설계
Design of high speed serial data acquisition system base on SPI bus
  • 万方数据
    电子设计工程 전자설계공정
    ELECTRONIC DESIGN ENGINEERING
    2012年 22期 44-46 ,共3页

    李宁%宋俊杰%黄元峰%雷元林

    리저%송준걸%황원봉%뢰원림

    高精度%单片机%SPI%高速采集 高精度%單片機%SPI%高速採集
    고정도%단편궤%SPI%고속채집
    high accuracy%microcomputer%SPI%high speed data acquisition
    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。
    문중채용고정도AD심편AD7891여C8051F040단편궤조성고속수거채집계통，통과SPI총선，장AD7891여C8051F040직접련접，방편적실현료8로모의량적고속채집화전수，병급출료SPI총선적접구전로급연건설계。
    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.
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