采用单片机89C52对飞利浦13.56Mhz的射频芯片MFRC500进行密码的配置与扇区的读写。可以由电脑通过串口发送命令来对MFRC500进行寄存器的配置读写。-The use of the Philips 89C52 single-chip RF chip 13.56Mhz password MFRC500 configuration read and write with the sector. Can be sent by the computer through the serial port MFRC500 order to read and write to the configuration register.