摘要
根据门禁管理系统的功能要求,设计了一种射频IC卡门禁读卡控制器。该控制器以单片机AT89C52为控制核心,通过Philips公司生产的MF1射频IC卡读写控制芯片RC500实现射频IC卡内数据的读取,采用Atmel公司生产的大容量Flash芯片AT24C256为存储器,能够存储6000条刷卡开门纪录,提供了各种开关量输入输出接口,以及与上位管理计算机通信所需的RS485通信接口及通信协议,满足了与上位机通信、现场门控、声光报警、防破坏等控制的需要。实际运行表明,该读卡控制器具备门禁监视系统要求的基本功能,性能稳定、可靠。
A radio frequency IC card reading and controlling device is designed according to the requirements of Door Access Monitoring Management System. The reader device utilized MCU AT89C52 and Philips MF-RC500 chip to access the data in the IC card and Atmel flash chip AT24C256 for storing up to 6000 access records. To meet the needs for communication, access control, sound and light alarm and anti-damage, the device also supplied the digital IO interface circuits, RS485 serial communication interface and the protocol software. Practical operations manifest that the device meets the requirements for the basic functions for the door access system and has stable and reliable performances.
出处
《科技信息》
2010年第01X期60-60,238,共2页
Science & Technology Information
关键词
单片机
射频读卡控制器
串口通信
门禁管理系统
MCU
Radio Frequency IC Card Reading
Serial Communication
Door Access System
