远程无钥匙进入系统的方案设计

[e-mail]()200612Microcontrollers&EmbeddedSystems49RKERKE;FreescaleMC9RS08KA2,MaximIC,MicrochipKeeloq;RKEMC9RS08KA2MAX7044MAX1473HCS300DES70%RKE(RemoteKeylessEn2try,),RKE,1TPMS(TirePressureMonitorSys2tem),315MHz()433.92Hz()868MHzRKE1RKERKE1,,64128220kHz,ASK,11.1,35,,1mA,,;,1.2MicrochipRKEDESHCS300,;MC9RS08KA2HCS3002.06.3V,2864663242,DES232DES©1994-2007[e-mail]()3DES16,DES,,50%2HCS300EEPROM,,,,3232,,32,,,3EEPROM(AT24C02)1.3,,MaximMAX1473MAX7044MAX7044+2.16.0V,7.7mA,250s100kbps,3mm3mm,8SOT23SAW;,;,-40125MAX14733.3V,250s,2.5A,-114dBm;TSSOP28MC9RS08KA2FreescaleMCU,20MHz,8,2KBFlash,63RAM;3,(1A),6BDM,6DFN,1.4DES456,174DES56©1994-2007[e-mail]()200612Microcontrollers&EmbeddedSystems511433MHz315MHzL1/nH56110TokoLL1608OFHL2/nH1515MurataLOP11AL3/nH1527MurataLOP11AC1/pF1001005%C2/pF2.74.70.1pFC3/pF1001005%C4/pF1001005%C5/pF1500150010%C6/pF2202205%C7/pF4704705%C8/F0.470.4720%C9/pF22022010%C10/F0.010.0120%C11/F0.010.0120%C12/pFC13/pF15151515R1/k555%X16.6128MHz13.2256MHz4.7547MHz9.5094MHzX210.7MHz10.7MHzMurataSFECV10.781.58,HCS300,10ms,,64K,,,,;,7,,,99,MC9RS08KA2I/O,(3);I/O,,MCU,DES,;,(/),2,Micro2chipKEELOQ,MaximFreescale,,,2,15,[1][2](:2006208221)CirrusLogicCirrusLogicCS5530,,CS553X24,CS5530CS553064x;,4050Hz/60HzCS553X4.9152MHz,6.253840sps20,3SPI,CS5530©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.