| 基于USB接口ID读卡器的设计 |
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| 引用本文： | 谢方乐,张红雨,文维.基于USB接口ID读卡器的设计[J].国外电子元器件,2009(11):24-26. |
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| 作者姓名： | 谢方乐 张红雨 文维 |
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| 作者单位： | 电子科技大学电子工程学院; |
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| 摘 要： | 提出一种基于单片机SN8P2201和EM4095的USB接口ID读卡器的设计方案。该设计方案结合单片机硬件和曼彻斯特码编码特点，利用计算曼彻斯特码的下降沿间隔的载波数的方法进行解码。提高解码速度和准确度。USB模拟键盘输出，无需上位机。读卡器的读卡的距离达5cm，该设计方案特别适用于网吧管理、考勤机等，运行稳定，应用前景广阔。
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| 关 键 词： | 射频识别 单片机 曼彻斯特码 读卡器 |
Design of ID card reader based on USB interface |
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| XIE Fang-le,ZHANG Hong-yu,WEN Wei.Design of ID card reader based on USB interface[J].International Electronic Elements,2009(11):24-26. |
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| Authors: | XIE Fang-le ZHANG Hong-yu WEN Wei |
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| Affiliation: | XIE Fang-le,ZHANG Hong-yu,WEN Wei(School of Electronics Engineering,University of Electronic Science and Technology of China,Chengdu 611731,China) |
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| Abstract: | In this paper,the design of USB interface ID card reader based on SN8P2201 and EM4095 is presented.Combing the features of microcomputer and Manchester code,the design uses the means of counting carrier between the falling edge intervals in Manchester to decodes.It improves the decoding speed and accuracy.USB simulates output of the keyboard without PC software.The distance between the card reader and card reaches five centimeters.This design is especially suitable for internet management and attendance mac... |
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| Keywords: | RFID microcomputer Manchester code reader |
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