基于PCI总线和DSP的多串口数据采集卡的设计与实现  

Design and Implementation of Multi-SPI Data Acquisition Board Based on PCI Interface and DSP

作　　者：冉策方[1] 周国忠[1] 

机构地区：[1]中国科学院光电技术研究所

出　　处：《工业控制计算机》2006年第6期21-22,共2页Industrial Control Computer

摘　　要：针对集散控制系统的工作特点和要求,充分考虑和融合了FPGA和DSP芯片的资源和特点,介绍了一种通过PCI接口扩展多路RS-422串口的数据采集卡实现方法,详细介绍了工作原理和硬件实现。In the view of the characteristics and requirements of the Distributed Control System,the resources and traits of FPGA and DSP have been fully considered,the design and realization of multi RS-422. SPI data acquisition board based on PCI interface is introduced in this paper.the operational principle and implementation of the hardware is described in detail.

关 键 词：DSP PCI FPGA RS-422 数据采集 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置] TP336[自动化与计算机技术—控制科学与工程]