
AT88RF1354 SPI User Guide For CryptoRF
®
3.11
Read System Zone Command [$c6]
The System Read command allows reading of system data from the configuration memory, from
the security fuses, or from the checksum register.
3.11.1 Command Format
PICC CID
$6
Data 4
Data 1
Data 2
PICC
Data 3
Command Processing
RF Transmit Response
Command Processing
Host
Reader
Send eight bytes
TX Data ($03)
Bytes sent to PICC
PARAM
FWI
ISTAT stays Low
Get fourteen bytes
RF Transmit Command
PARAM
ISTAT goes High
Response Processing
Response Bytes
Data 5
Data 6
Data "L"
PICC ACK/NACK
PICC Status Code
Read System Zone ($c6)
PARAM
EREG Register Byte
PICC Bytes Received
ADDR
"L", Bytes Read - 1
Data "L + 1"
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