说明：  MF RC500-高集成ISO14443A 读卡芯片,该文档讲述了MF RC500 的功能包括功能及电气规格并给出了如何从系统和硬件的角度使用该芯片进行设计的细节
(MF RC500-highly integrated chip card reader ISO14443A, the MF RC500 document describes the function, including functional and electrical specifications are given on how systems and hardware from the perspective of the use of the chip design details)