| 多路RS232、RS485通信的单片机扩展方法 |
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| 引用本文： | 孙汝建. 多路RS232、RS485通信的单片机扩展方法[J]. 自动化与仪器仪表, 2003, 0(1): 51-52 |
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| 作者姓名： | 孙汝建 |
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| 作者单位： | 南京水利科学研究院土工研究所,210024 |
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| 摘 要： | 介绍了一种时分的方法，即将单片机串行口扩展为多个RS232和RS485口。重点阐述了多路RS232、RS485电路设计和软件编程.
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| 关 键 词： | RS232 RS485 单片机 扩展 串行口 串行通信 |
| 文章编号： | 1001-9227(2003)01-0051-02 |
The expand method of single chip computer for mutiple RS232 and RS485 communication |
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| Sun Rujian. The expand method of single chip computer for mutiple RS232 and RS485 communication[J]. Automation & Instrumentation, 2003, 0(1): 51-52 |
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| Authors: | Sun Rujian |
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| Abstract: | This article introduces a time divsion method that means the serial port of SCM could be expanded to some RS232 ports and RS485 ports.The circuit and software design is emphasized. |
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| Keywords: | SCM Serial port Communication |
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