User's Manual

Table Of Contents
3.8.4PutBlock
Tag-itProtocol
www.ti.com
ThePutBlockrequestwritesdatatoonememoryblockoftheaddressedtag(s).Inordertosuccessfully
writedata,thehostmustknowthesizeofthememoryblockofthetag.Thisinformationisavailable
throughtheGetICVersionRequestorSIDPollsequencerequestingversiondata.Acorruptedresponse
orlackofresponsefromtheTRF7960doesnotnecessarilyindicateafailuretoperformthewrite
operation.Additionally,multipletagsmayprocessanonaddressedrequest.
Toputablock(writetoablock),theusershould:
ClickthebuttonforPutBlockintheCommandswindow.
ClickontheAddressflag,ifdesired,intheTagFlagswindow.
EntertwohexdigitsforblocksizeintheBlockSizefieldoftheTagDatawindow.
EntertwohexdigitsforblocknumberintheBlockNumberfieldoftheTagDatawindow.
EnterthedesireddataintheDatafieldoftheTagDatawindow.
Executethecommand.
RequestPacket:
010F00030418002803778822110000(allbytesarecontinuous;spacesareaddedforclarity)
FieldContentsComments
SOF01Startofframe
PacketLength0FPacketlength=15bytes
Constant00
BeginDataPayload0304Startofdatapayload
FirmwareCommand18Requestmode
00RequestfromreadertotagFigure3-4
CommandCode28PutblockFigure3-4
BlockNumber03No.+1=4Figure3-4
BlockData7788221132bits
EOF0000Endofframe
EVMSoftware 80SLOU192CNovember2006RevisedDecember2008
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