连接PC机打印口的数据采集系统  

A Data Acquisition System Connecting PC Printing Port

作　　者：杜勇[1] 

机构地区：[1]长江大学电子信息学院,湖北荆州434023

出　　处：《长江大学学报（自然科学版）》2005年第7期253-255,共3页Journal of Yangtze University(Natural Science Edition)

摘　　要：设计了一种连接PC机并行打印口的数据采集系统,着重讨论了PC机并行打印口2种工作模式(SPP和EPP模式)下进行数据采集的接口电路设计,给出了EPP模式下的数据采集软件设计程序。该系统非常适合临时性的采集应用。A data acquisition system is designed for connecting PC parallel printing port,two working modes,such as standard parallel port (SPP) and enhanced parallel port (EPP) for PC parallel printing port are discussed emphatically,by which a circuit is designed for the data acquisition port,a program is introduced for designing the data acquisition software .The system is especially suitable for temporary data acquisition.

关 键 词：个人计算机 并行打印口 数据采集 标准型并行接口(SPP) 增强型并行接口(EPP) A/D转换 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]