A significant method in the way the MCU EM78P447A manipulates the RF readerIC MF RC530's functions used in RF IC card application is presented.In this paper,RF reader ICMF RC530's SPI compatible interface is i...A significant method in the way the MCU EM78P447A manipulates the RF readerIC MF RC530's functions used in RF IC card application is presented.In this paper,RF reader ICMF RC530's SPI compatible interface is introduced.The kernel technologies including SPI connection,software design,register initiation,request-response between the reader 1C and the MCU,authentication and the proper format of the key are explained.Adopting the serial peripheralinterface is the innovation in the paper.TheSPI communication mode proves feasible and precise.Furthermore,in the way we avoid the abuse of parallel interface.展开更多
基金Sopported by the National Natural Science Foun-dation of China(50099620)the National High Tichnology Devel-opment 863 Program of Chuna(2001AA132050-03)
文摘A significant method in the way the MCU EM78P447A manipulates the RF readerIC MF RC530's functions used in RF IC card application is presented.In this paper,RF reader ICMF RC530's SPI compatible interface is introduced.The kernel technologies including SPI connection,software design,register initiation,request-response between the reader 1C and the MCU,authentication and the proper format of the key are explained.Adopting the serial peripheralinterface is the innovation in the paper.TheSPI communication mode proves feasible and precise.Furthermore,in the way we avoid the abuse of parallel interface.
