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基于RS-485的IC卡网络读/写器的设计
引用本文:龙云芳,修吉平,杨晓娜.基于RS-485的IC卡网络读/写器的设计[J].自动化技术与应用,2011,30(8):22-25.
作者姓名:龙云芳  修吉平  杨晓娜
作者单位:华中科技大学,湖北武汉,430074
摘    要:随着电子技术的发展,IC卡的应用越来越广泛.本文根据逻辑加密存储卡SLE4442卡的 工作原理,采用AT89C2051单片机设计了带光电隔离功能的RS- 485接口的接触式IC卡控制系统,对SLE4442卡进行读写操作.分析了IC卡读/写器在显微组织实验教学系统的实际应用,详细介绍了采用单片机实现的IC卡读/写器的工作...

关 键 词:SLE4442卡  AT89C2051  RS-485  读/写器

Design of IC-Card Network Read -Write Device Based on RS-485
LONG Yun-fang,XIU Ji-ping,YANG Xiao-na.Design of IC-Card Network Read -Write Device Based on RS-485[J].Techniques of Automation and Applications,2011,30(8):22-25.
Authors:LONG Yun-fang  XIU Ji-ping  YANG Xiao-na
Affiliation:LONG Yun-fang,XIU Ji-ping,YANG Xiao-na(Central China University of Science and Technology,Wuhan 430074 China)
Abstract:With the development of electronic technology,IC card is used more widely.In the paper,AT89C2051 singlechip is taken as microcontroller to design contact-type IC card control system with photoelectric isolation function of the RS-485 interface,it is capable to read/write the logically encrypted memory card SLE4442.The IC card read-write device in the microstructure experimental teaching system is introduced,the working principle,interface circuit and software flow chat in the actual application are analyzed...
Keywords:SLE4442 card  AT89C2051  RS-485  read-write device  
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