| 基于双单片机的串行通信设计与应用 |
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| 引用本文： | 詹平红,李红星.基于双单片机的串行通信设计与应用[J].铁路计算机应用,2010,19(6):52-54. |
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| 作者姓名： | 詹平红 李红星 |
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| 作者单位： | 炮兵学院,炮兵指挥自动化与仿真系,合肥,230031 |
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| 摘 要： | 在安全性要求较高的环境中,若控制系统只用一个单片机作为核心控制,不论系统各种防护措施的设计如何完善,只要单片机出现故障,其环境安全就会受到威胁.这就是只含一个单片机的控制系统在实际应用中表现出的弊端,要解决此弊端可以通过增加单片机在控制系统中的数量,使单片机相互监测以满足高安全性要求.本文以铁路车站联锁控制系统中ZPW-2000编码模块为例,详细介绍基于AT90CAN128双单片机串行通信的软、硬件设计方案.
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| 关 键 词： | 串行通信 编码 AT90CAN128 ZPW-2000 |
| 收稿时间： | 2010-06-15 |
Design and application of serial communication based on double MCU |
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| ZHAN Ping-hong,LI Hong-xing.Design and application of serial communication based on double MCU[J].Railway Computer Application,2010,19(6):52-54. |
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| Authors: | ZHAN Ping-hong LI Hong-xing |
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| Institution: | (Department of Artillery Command Automation and Simulation,Artillery Academy,Hefei 230031,China) |
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| Abstract: | The single MCU was the only kernel control part in conditions of high security requirements.No matter how the various protective measures was designed,environmental security should be threatened if microcontroller failured.This was the drawback of Control System with only one MCU.Multi-MCU Control System which could monitor mutually was designed to avoid this problem.The software and hardware design of serial communication with double MCU AT90CAN128 was introduced by the ZPW-2000 coding module of Interlocking Control System in the railway station. |
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| Keywords: | AT90CAN128 ZPW-2000 |
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