| RS-485通讯中继器的设计 |
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| 引用本文： | 李忠民,王子旭. RS-485通讯中继器的设计[J]. 微计算机信息, 2004, 20(7): 100-101 |
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| 作者姓名： | 李忠民 王子旭 |
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| 作者单位： | 430062,武汉湖北大学电子信息工程系 |
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| 摘 要： | 本文介绍了用一片DS80C520单片机和两片RS-485接口芯片SN74LBCl84设计RS-485通讯中继器的原理和方法．给出了硬件电原理图和软件流程图，设计简单，可靠性高，性价比高，传输速率比较高。
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| 关 键 词： | RS-485 中继器 DS80C520 接口芯片 传输速率 硬件电原理图 软件流程图 串行接口标准 |
| 文章编号： | 1008-0570(2004)07-00100-02 |
| 修稿时间： | 2004-01-06 |
Design of RS-485 Repeater |
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| Li,Zhongmin Wang,Zixu. Design of RS-485 Repeater[J]. Control & Automation, 2004, 20(7): 100-101 |
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| Authors: | Li Zhongmin Wang Zixu |
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| Abstract: | In this paper, the principle and design of RS-485 repeater, composed of one micro-controller DS80C520 and two SN74LBC184 RS-485 tranceivers mainly, are discussed in details. The circuit diagram and program flow chart are provided. The repeater has the characters of high reliability ,high speed and simplicity. |
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| Keywords: | RS-485 Repeater DS80C520 |
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