本文將對基于AT89C52 MCU和ZLG500A模塊的mifare卡讀寫卡器進行研究,進而設計基于非接觸IC卡的門禁系統的刷卡控制部分。
非接觸式IC卡(Contact less Card)技術是最近幾年發展起來的一項新技術。它是將無線識別技術和IC卡技術集于一體,成功解決了無源(卡中無電源)和非接觸這一難題,是電子器件領域的一大突破。隨著社會經濟和科技的發展,非接觸式IC卡技術己廣泛地應用于各種行業,特別是公共交通、無線通信、身份識別、金融交易和安全防衛等行業。門禁系統是一種管理人員進出的數字化管理系統。非接觸式IC卡由于其較高的安全性、較好的便捷性和性價比成為門禁系統的主流。
本畢業設計課題實現一個Mifare 1非接觸式IC卡讀寫卡器,該讀寫卡器由ZLG500A位讀寫射頻(RF)模塊和Atmel的AT89C52微控制器組成。開發的系統具有與Mifare 1非接觸式IC卡數據通信功能,可以實現數據緩沖、無線喚醒、和信息處理等功能,課題內容包括設計一基本應用系統線路,開發模塊和驅動程序等。
關鍵詞:門禁系統,讀寫卡器,ZLG500A,AT89C52
Abstract
This paper will have a research on the read-write card of mifare based on AT89C52 MCU and ZLG500 module ,then I will design the intelligent entrance guard system based on contact less card.
The Contact less Card technology is a new technology which developed in this recent years. It sets the wireless technique and the IC card technology in a body. It solves the difficult problem of no power (in card not have power source) and non-contact successfully, is a big breakthrough in the domain of electronic device. Along with the social economy and the technical development, Contact less Card technology have appliesd in various profession widely, especially in the professions of mass transit, wireless communication, status recognition, financial transaction safe defense and so on. The entrance guard system is one kind of digitization management system of the administrative personnel pass in and out. Contact less Card become the entrance guard system's mainstream because of the high security, good convenient and the performance-to-price ratio.
This graduation project topic realizes read-write card of mifare 1 Contact less Card, the card-reading and writing is composed of the ZLG500A of radio frequency (RF) modules and the Atmel AT89C52 micro-controller. And the development of the system has functions of data communication with the mifare 1 Contact less Card, can achieve data buffer, wireless wake-up call, and information processing ,and other functions. The subjects includ the design of a basic line application system, the development of modules, drivers and so on.