| 一种基于PC机打印口的上下位机并行通讯方法 |
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| 引用本文： | 周丽芹,綦声波,刘建丽.一种基于PC机打印口的上下位机并行通讯方法[J].微计算机信息,2004,20(5):110-111. |
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| 作者姓名： | 周丽芹 綦声波 刘建丽 |
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| 作者单位： | 青岛中国海洋大学 |
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| 摘 要： | 本文介绍了一种基于PC机打印口的上下位机并行通讯方法，硬件接口是由打印机适配器和扩展电路构成，在正确的软件通讯协议支持下能够实现安全快速的双向并行通讯。
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| 关 键 词： | 并行通讯 打印口适配器 8255 上下位机 |
| 文章编号： | 1008-0570(2004)05-0110-02 |
| 修稿时间： | 2003年12月21 |
A Method of Parallel Communication Between the Master Computer and the Slave Computer Based on LPT |
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| Zhou,Liqin Qi,Shengbo Liu,Jianli.A Method of Parallel Communication Between the Master Computer and the Slave Computer Based on LPT[J].Control & Automation,2004,20(5):110-111. |
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| Authors: | Zhou Liqin Qi Shengbo Liu Jianli |
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| Abstract: | This article deals with a method of parallel communication between the master computer and the slave computer based on LPT, Its hardware interface con sists of printer adapter and expanding circuit, it can fulfill quit and safe bi- direction parallel communication under the support of correct software communica tion protocol. |
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| Keywords: | parallel communication printer adapter 8255 master and slave comput e |
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