ISO/IEC 14443 Type B-Compliant
64-Bit UID
Command-Specific ISO/IEC 14443 Communication Protocol—Legend
SYMBOL
GSY
GUID
SOF
PCB
[CID]
CRC-16
EOF
IND
IFLG
UID
DB
AFI
NBLK
MBS
ICR
DESCRIPTION
Command “Get System Information ”
Command “Get UID ”
Start Of Frame
Protocol Control Byte (see section ISO/IEC 14443 Block Transmission Protocol for details)
The tag ’s assigned card identifier (see section Network Function Commands for details). The brackets [ ]
indicate that the transmission of the CID depends on the Protocol Control Byte (PCB).
Transmission of an inverted CRC-16 (2 bytes) generated according to CRC16-CCITT.
End Of Frame
Response indicator byte
Info Flags byte
The tag ’s unique 8-byte identification number
Dummy byte
Application Family Identifier byte
Number of Blocks byte (slave memory size indicator)
Memory Block Size byte (slave memory block size)
IC-Reference byte (slave chip revision)
Command-Specific ISO/IEC 14443 Communication Protocol—Color Codes
Master-to-Slave
Slave-to-Master
ISO/IEC 14443 Communication Examples
Precondition: The slave device is already in the ACTIVE state. See section Network Function Commands on how to
enter and exit the ACTIVE state.
Get System Information
SOF PCB [CID] GSY CRC-16 EOF
Success
Get UID
SOF PCB [CID] GUID CRC-16 EOF
Success
(Carrier)
SOF IND = 00h IFLG UID DB AFI NBLK MBS ICR CRC-16 EOF
(Carrier)
SOF IND = 00h UID CRC-16 EOF
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