rfid工作原理讲解

1、Rfid基本原理讲解草稿主要内容：1 rfid简单系统框架2物理原理简单介绍3以PHILPS公司芯片为例讲解一个简单RFID系统 a mfl ic s50 卡b mf rc 500读写器。1 rfid简单系统框架Ml FARE i cardDalaEnergy：antnnti训FARE card readerMl FARE i cardDalaEnergy BSector Trailer 15210 ataDataData1d3Key AAccess LiitsKpy BSector Trailer 1d20DataDataData:13简AACCGS5 BilsKey BStCtt-r Tr

2、ailet 1f0DataDataDdta3AAccess BitsKey BSector Trailcr L-21DataData0Maniifaclurr Block卡通的应用b mf rc 500读写器。管角说明l= VHh ond IV1J-U. All otner pins sfs supplied by uvuu and uvsa.DSGIH192OSCO=UTiRa531ftSTPDMFIJsl334vWbMF OUT23UKtxi叵3SAVSSTVDD| S77MIKTX2|AVODTV5S| bMF RC50C25DVDDNC&9SOS2A2MWRm23AlNRD1122AJ

3、OV5E1 221ALErio1 3对rDII i1 mDS1 5OSL51-517D4PgiL/jr& 3- f. hiP J7C500 Pinfair SO52 pacfcag白寄存器说明:MF RC500Highly Integrated ISO 14443A Reader ICMF RC5005 MF RC5OQ REGISTER SET5.1 MF RC500 Registers OverviewPageAddrEhexRegister NameFunctionPsge - Command and Status0Pagseieds the register 1Ccnnrriarlds

4、tarts iflrid s-tops) the 匸ommanT execuLiurt2f iFODaisin- arid GuSpul ol 6 byle FIFO buffer3PnmB：ryStatjE.status flags of tnc rccc vCi and transmitter bnd of th也 FIFO buffer吝FIFOLngtnnumber byles bufered in the FIFO5SecxndBrpSsrtuBdiverse stilus flags6IntsirupEncoRtTJl D庇 to eriaole and disable passi

5、ng of interrupt requests?IntefnjptRqiritirrupt requesi KagsPage 1 Control ar-d StatusaPages&terts the register pagegC tintra 1ch trsc 匚ontrol t a&s c.g : timer powc?r sangAETOrtFlg；effrorflgs showing ihe error st&ius of the last cemmnd executedBCfliiPostart paahiDn M tnbt collision detected on trie

6、F?F-inte曲ceCTlmerValueEKluiil 閥Iue of the tlrrerDCRCf?esulll_SE3L3l3 Ofl 也色 CRG-Coproc&ssor seyisterECRCReSultMSaMSB bf th Cf?C-CdXiraccssc!r registerFBilFreKmngadjus+ments for brt oriented fraries10刊弊s世lc出 the register pge寄存器地址编码使用说明:Bus Control SrghQlsBusSeparated Address snd Data BusMultiplexed A

7、ddrras end Dta BuscontrolWRD. NWR, NCSMRD NR. NCS. ALESeparated Read and Writs? StrobraaddressAC; A1. ASADO. ADI. ADS. AD3, A34; ADSdatiDO . D7ADO.AD7controlRjIWV, ND5JNCSFVNW. NDS, NCS. ASCommon Read and Write StrobeaddressAC . A1. A2ADO. AD1, AD2. ADS, AD4: ADSd&tsiDO . D7ADOACi?Common Read and Wr

8、ite Strobe with Handshake(EPP)c&ntrolnWrite. nDStrh. nAStrb. nWartadd re as-ADO. AD1. AD2. ft De. AD 4. AD 5data.AD7Table 4-1: Supposed/nferfacerc500与单片机组成 读写器4.3 2 COMM0忖 READWRITE STROBEMF RCEOO卜.MF RCEOO卜.Address &J5 CAi. jnlAddi-AtiNCSwoxlafkkBus AD.rDaa&z8j00 IF)JDO.DF/HIGHAIEFNRDRmdAAtdo i；代时闊laNARMF RC5D0Non l*rii曲口战翱 Addrvs, jAddruf!taNGSVLOWA2 AlAOHtGHFLOW1hWl阳就屯抽鬧D8 CADQ.D7?M- D7Kddreu Sircte (ASALEPDou Bvuba 収口日iNRDRfrfclVritfi iffiNWlt