AT88RF1354 SPI User Guide For CryptoRF
®
3.9
Write User Zone (Large Memory) Command [$c3]
The Write User Zone command writes data into the currently selected User Zone. This command
format only applies to the AT88SC6416CRF.
3.9.1
Command Format
PICC CID
$3
PICC Status Code
Write Zone ($c3)
PARAM
EREG Register Byte
PICC Bytes Received
ADDR L
"L", Bytes Written - 1
Data 1
Data 2
ISTAT stays Low
Get six bytes
RF Transmit Command
ADDR H
Data "L"
Data "L + 1"
ISTAT goes High
Response Processing
Response Bytes
PICC ACK/NACK
Host
Reader
Send twelve bytes
TX Data ($03)
Bytes sent to PICC
PARAM
FWI
PICC
Command Processing
RF Transmit Response
Command Processing
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