基于PCI总线的RS422并行数据接口  

Parallel data grabbing card based on PCI bus RS422

作　　者：张增辉[1] 沈激[1] 韦东山[1] 陈子瑜[1] 

机构地区：[1]中国科学技术大学近代物理系,安徽合肥230026

出　　处：《核电子学与探测技术》2005年第6期838-840,共3页Nuclear Electronics & Detection Technology

摘　　要：介绍一个基于PCI总线的RS422并行数据接口。改接口用于高速获取具有14位并行RS422接口设备输出的数据,叙述了PCI总线数据获取的方法、芯片的性能和应用及软硬件设计思想。DThis article briefly introduces the developments of the parallel data grabbing card based on RS422 and PCI bus. It could be applied for grabbing the 14 bits parallel data in high speed, coming from the devices with RS422 interface. The methods of data acquisition which bases on the PCI protocol, the functions and their usages of the chips employed, the ideas and principles of the hardware and software designing are presented.

关 键 词：RS422 PCI S5933 并行获取 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]