High speed data acquisition and transmission, and simple control are the advantages of the condition monitoring system based on PC parallel port.

基于计算机通用并行口的设备状态监测与故障诊断系统具有采集与数据传输速度快，控制方便等优点。

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For communication among parallel print port of PC and multiple single-chips, interface is divided into data, state and control groups respectively controlled by each register.

PC并行打印口与多台下位单片机的通讯，将接口分成数据、状态、控制三组，由其寄存器分别控制。

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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.

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。

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