User's Manual

Table Of Contents
3.7ISO/IEC14443BProtocol
ISO/IEC14443BProtocol
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ThissectiondescribestheISO14443Bprotocol.SimilartotheISO14443Aprotocol,programoperationis
alittledifferentcomparedtoISO15693;somecommandsmustberuninsequence.
AnISO14443Bsetprotocolcommandsendsthreecommands(registerwrite,setAGC,andsetreceiver
mode(AM/PM).
FirstCommand:RegisterWrite
010C000304100021010C0000(allbytesarecontinuous;spacesareaddedforclarity)
FieldContentsComments
SOF01Startofframe
PacketLength0CPacketlength=12bytes
Constant00
BeginDataPayload0304Startofdatapayload
FirmwareCmd10Registerwrite
Register000021InRegister00(ChipStatusControlregister),
Write21(RFoutputactive,5-Voperation)
Register01010CInRegister01(ISOControlregister),
Write12(setISO14443Bprotocol,106kbps)
EOF0000Endofframe
64EVMSoftwareSLOU192CNovember2006RevisedDecember2008
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