
ISO/IEC 14443 Type B-Compliant
1Kb Memory Fob
Request Information Field for the Read Single Block with Block Security Status Command
COMMAND
B0h
BLOCK NUMBER
(1 Byte)
Response Information Field for the Read Single Block with Block Security
Status Command (No Error)
INDICATOR
00h
SECURITY STATUS
(SEE CODES BELOW)
(1 Byte)
MEMORY DATA
(8 Bytes)
00h = The memory block is not protected.
01h = The memory block is write protected.
Request Information Field for the Custom Read Block Command
COMMAND
A4h
BLOCK NUMBER
(1 Byte)
Response Information Field for the Custom Read Block Command (No Error)
INDICATOR
00h
MEMORY DATA
(8 Bytes)
INTEGRITY BYTES
(2 Bytes)
Read Single Block with Block
Security Status
This command allows for retrieving the security status
of a memory block followed by the memory block ’s
data. This command uses one command-specific para-
meter, which is the memory block number. Valid block
numbers are 00h to 11h.
Custom Read Block
This command allows for retrieving the data of a single
block, followed by the block’s integrity bytes. This com-
mand uses one command-specific parameter, which is
the memory block number. Valid block numbers are
00h to 11h.
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