| 基于ATmega128的CAN-RS485转换器 |
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| 引用本文： | 王斐斐,杜亚江,贾云光.基于ATmega128的CAN-RS485转换器[J].兰州铁道学院学报,2007,26(3):119-121. |
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| 作者姓名： | 王斐斐 杜亚江 贾云光 |
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| 作者单位： | 兰州交通大学机电技术研究所，兰州交通大学机电技术研究所，兰州交通大学机电技术研究所 甘肃兰州730070，甘肃兰州730070，甘肃省物流及运输装备信息化工程技术研究中心，甘肃兰州730070，甘肃兰州730070 |
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| 摘 要： | 针对工业色谱仪测控系统中的数据采集与控制,以嵌入式单片机ATmega128为MCU实现CAN总线与上位机的通信.介绍了RS485的接口芯片SN75LBC184P,CAN总线、RS485通信协议,重点介绍了CAN-RS485协议转换器的硬件电路设计与软件设计的方法.
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| 关 键 词： | CAN总线 RS485协议 |
| 文章编号： | 1001-4373（2007）03-0119-03 |
| 修稿时间： | 2006-12-21 |
CAN-RS485 Protocol Transformer Based on ATmega128 |
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| Wang Feifei,Du Yajiang,Jia Yunguang.CAN-RS485 Protocol Transformer Based on ATmega128[J].Journal of Lanzhou Railway University,2007,26(3):119-121. |
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| Authors: | Wang Feifei Du Yajiang Jia Yunguang |
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| Institution: | 1. Mechanical and Electrical Technology Institute, Lanzhou Jiaotong University, Lanzhou 730070, China; 2. Gansu Engineering Technology Center for Information of Logistics and Transport Equipment, Lanzhou 730070,China |
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| Abstract: | In view of the industry chromatograph meter observation and control system in data acquisition and the control,a new type of single chip Atmeag128 is adopted in the design of communication between super-computer and CAN bus.The chip SN75LBC184P,CAN bus,RS485 communication protocol and emphatically the design and realization of the CAN-RS485 protocol transformer are presented. |
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| Keywords: | ATmega128 SN75LBC184P |
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