| 一种免微控器的RS232/485转换器 |
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| 引用本文： | 盛琥,杨景曙.一种免微控器的RS232/485转换器[J].微计算机信息,2005,21(3):149-149,191. |
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| 作者姓名： | 盛琥 杨景曙 |
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| 作者单位： | 1. 230031 合肥电子工程学院研究生2队
2. 230031 合肥电子工程学院203研究室 |
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| 摘 要： | 本文介绍了一种无需微控制器控制的RS232／485转换器．实现了纯硬件的收发控制切换以及串口取电功能，从而避免了常规RS232／485转换器需要对微控制器进行软件编程且通用性不好的问题．具有很好的可行性。
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| 关 键 词： | 串口切电 收发控制切换 RS232／485转换器 |
| 文章编号： | 1008-0570(2005)03-0149-01 |
A mcu-free RS232/485 converter |
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| Sheng Hu,Yang Jingshu.A mcu-free RS232/485 converter[J].Control & Automation,2005,21(3):149-149,191. |
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| Authors: | Sheng Hu Yang Jingshu |
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| Abstract: | The paper introduces a mcu-free RS232/485 converter that realizes the function of switching between receiving state and transmitting state purely through hardware. Plus, it can also get power supply from serial port. All the features above avoid the trouble of micro control unit programming and the disadvantage in general use aspect, thus it can be widely used in reality. |
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| Keywords: | power supply from serial port Switching between receiving and transmitting state RS232/485 converter |
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