| 基于PCA82C250与MCU间的直连通信网络设计 |
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| 引用本文： | 王明顺,贺立红.基于PCA82C250与MCU间的直连通信网络设计[J].国外电子元器件,2005(10):45-47. |
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| 作者姓名： | 王明顺 贺立红 |
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| 作者单位： | 东北大学,信息学院,辽宁,沈阳,110015 |
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| 摘 要： | 在分析了RS-485总线与CAN总线的异同点后,以PCA82C250型接口电路为例提出了用CAN总线通信物理层接口电路来替代RS-485总线接口电路与单片机直接连接进行通信网络设计,从而可形成一个高性能、低价格且数据通信安全、可靠的分布式测控系统.
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| 关 键 词： | 通信物理接口 RS-485总线 CAN总线 MCU |
| 文章编号： | 1006-6977（2005）10-0045-03 |
| 收稿时间： | 2005-02-03 |
| 修稿时间： | 2005年2月3日 |
Communication network design based on connection between PCA82C250 and MCU |
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| WANG Ming-shun,HE Li-hong.Communication network design based on connection between PCA82C250 and MCU[J].International Electronic Elements,2005(10):45-47. |
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| Authors: | WANG Ming-shun HE Li-hong |
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| Affiliation: | School of Information, Northeastern University, Shenyang 110015, Chian |
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| Abstract: | The similarities and differences between RS-485 bus and CAN bus are given firstly in this paper.Then the communication network design replacing RS-485 bus interface circuit with CAN bus PHY interface one is described in detail,and one distributed measuring and controlling system based on PCA82C250 is given as a example,which has characteristics of high performance,low cost and secure. |
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| Keywords: | communication PHY interface RS-485 bus CAN bus MCU |
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