FM1702SL的单片机开发代码，单片机使用普通8051单片机。实现的功能：寻卡、防冲突检测、对RFID卡进行扇区读写操作。-FM1702SL microcontroller development code, the microcontroller using an ordinary 8051. Implementation features: find cards, collision detection, the RFID card read and write sectors.