【毕业设计】基于avr单片机的智能卡(ic卡)技术.doc

摘要 本文全面介绍了通过使用必威体育精装版推出的智能卡(IC卡)技术，结合AVR系列单片机而研制的食堂智能卡管理系统，替代了原食堂繁琐的饭票流通，实现了食堂管理的电脑化。传统的就餐券在印制、保管、发售和回收等各个环节都存在不少漏洞，如卫生、伪券充入等.社会的全面进步要求后勤伙食部分也应同步发展，管理需要现代化.我们选用的IC卡—当今流行的智能卡，是将具有存贮、加密及数据处理能力的集成电路芯片嵌于与信用卡般大小的塑料基片中，实际上是一袖珍式计算机，它已成为信息社会的电子新星。智能卡的应用已势在必行，本系统便是一例。 论文主要完成了以下几方面的工作： （1）、在详细分析讨论食堂IC卡售饭系统管理要求基础上，对IC卡系统的总体结构进行了设计。 （2）、本系统采用分体独立式结构，总体上分窗口机和管理机。对窗口机的设计实现了实时消费、余额结算。并针对余额不足、失效卡、侦听密码等情况给出了相应对策。 （3）、管理机实现了充值、查询、修改密码，。并对卡与读卡器之间的数据通信进行了加密，大大提高了操作的安全性，同时还预留了RS232串行口可以很方便的改成在线模式。 关键词　食堂IC卡，AVR单片机，MF RC500； Abstract In this paper, a comprehensive introduction of the smart cards (IC card) technology, combined with AVR microcontroller developed by canteens and smart card management systems, replacement of the original canteen tedious meal ticket circulation, and the computerized management of the canteen. On the restaurant voucher in the traditional printing, storage, sale and recycling, and other areas there are many loopholes, such as health, income and other pseudo-charge coupons. it has become the electronic information society Rising Star. The application of smart cards it is imperative that the system is an example. This papers completed the following aspects: (1)、In the cafeteria to discuss detailed analysis of Food sellIC card management system based on the requirements of the IC card system for the overall structure of the design. (2)、his system uses the stand-alone structure, divides into the window machine and the supervisor. The window machine completes the real-time expense, the remaining sum to settle accounts .And for insufficient funds, failure cards, listening password, and so on are given appropriate countermeasures. (3)、The machine has sufficient management, query, modify password. And between the card and reader is encrypted data communication, greatly improving the operation of security, also reserved the RS232 serial port can be easily changed to the online mode. Keywords　 IC card for canteens, AVR microcontroller, MF RC500； 不要删除行尾的分节符，此行不会被打印目录 摘要 I