基于EPP协议图象数据采集卡的设计及实现  

Design and Implementaion of Collecting Card of Image and Data Based on EPP Protocol

作　　者：潘志刚[1] 王晓晨[2] 高毓麟[2] 

机构地区：[1]中科院电子学研究所七室,北京100080 [2]中国矿业大学北京校区信电系,北京100083

出　　处：《工矿自动化》2004年第4期22-25,共4页Journal Of Mine Automation

摘　　要：基于并口EPP协议的图象数据采集卡适用于笔记本电脑 ,从而使数据采集设备具有便携性。文章介绍了并口EPP协议 ,用VHDL语言实现了FIFO读写操作逻辑和EPP协议的数据读周期 ,给出了数据采集卡的硬件结构图及显示程序流程图。Collecting card of image and data based on parallel port protocol(EPP) can be applied to notebook PC and make data collecting equipments more portable.In this paper,EPP protocol was introduced and the logic of FIFO read/write operations and data read cycle of EPP protocol were realized with VHDL language.Meanwhile, hardware structure graph of data collecting card and the flow chart of display programme were given.

关 键 词：数据采集 图象 EPP协议 CPLD 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]