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基于ARM的射频识别读卡器电路设计
江小平, 李中捷, 余晓峰
中南民族大学 电子信息工程学院,湖北 武汉 430074
摘要:
针对ISO14443,ISO15693和Tag-it等多种协议,提出了一种新型的基于高级RISC微处理器(ARM)的射频识别系列通用射频卡读卡器的电路设计,并使用加密模块实现了在操作过程中对数据流的加密。介绍了系统组成、工作原理和工作流程,给出了加密电路和射频网络的详细硬件设计,对该设计结果进行了测试及分析,结果表明该电路能对有效范围内的多种类型的卡准确无误地读写和加密。
关键词:  射频识别  高级RISC微处理器  天线设计  多协议
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Circuit design of RFID card reader based on ARM
JIANG Xiao-ping, LI Zhong-jie, YU Xiao-feng
College of Electronics and Information Engineering,South-Central University for Nationalities,Wuhan Hubei 430074,China
Abstract:
Radio Frequency IDentification(RFID) series Radio Frequency(RF) card has been applied widely because of its stability,reliability and easy operation features. Aiming at multiple protocols,such as ISO14443 protocol,ISO15693 protocol and Tag-it protocol,this study proposed a new type of circuit design based on Advanced RISC Machine(ARM) for the RFID series RF card reader. The data stream encryption was implemented by using peripheral device in the operation. The system composition,working principle and work flow were introduced. Then,the detailed circuit design of the RF network and encryption hardware were presented,and the test and analysis for the design were performed. The results showed that the circuit could accurately read, write and encrypt various types of card within effective range.
Key words:  Radio Frequency IDentification  Advanced RISC Machine  antenna design  multi-protocol

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