说明：  本文设计了以AT89S52单片机作为控制器，LCD液晶和矩阵键盘为互动模块，射频技术基础，应用飞利浦公司MF-RC500芯片作为读写IC的载体，并可以与上位机进行串口通信的非接触式IC卡读写器。
(Designed microcontroller AT89S52 as the controller, LCD LCD and matrix keyboard interactive modules, RF technology base, application of the Philips MF-RC500 is chip carrier as reading and writing IC, and serial communication between PC and non-contact IC card reader.)