In this paper, the author deals with the design of hardware card for secrecy based on parallel port EPP protocol.

本文主要阐述了基于并口epp协议的软件加密卡的硬件设计。

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This paper presents EPP protocol, the EPP circuit design of packet capture controller and the PC's EPP programming.

文中介绍了EPP接口协议、包捕获控制器的EPP接口电路设计和PC机上的EPP实现程序。

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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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