ACR3901T-W1 – Reference Manual
Version 1.02
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Page 80 of 100
7.2.6.3.
READ_PRESENTATION_ERROR_COUNTER_MEMORY_CARD (SLE
4442 and SLE 5542)
This command is used to read the presentation error counter for the secret code.
Command Format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA
INS
P1
P2
MEM_L
FFh
B1h
00h
00h
04h
Response Data Format (
abData
field in the
RDR_to_PC_DataBlock
)
ERRCNT
DUMMY 1
DUMMY 2
DUMMY 3
SW1
SW2
Where:
ERRCNT
Error counter. 07h indicates that the last verification is correct. 00h indicates
that the password is locked (exceeded the maximum number of retries).
Other values indicate that the last verification has failed.
DUMMY
Three bytes dummy data read from the card
SW1 SW2
= 90 00h if no error
7.2.6.4.
READ_PROTECTION_BITS
This command is used to read the protection bits for the first 32 bytes.
Command Format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA
INS
P1
P2
MEM_L
FFh
B2h
00h
00h
04h
Response Data Format (
abData
field in the
RDR_to_PC_DataBlock
)
PROT 1
PROT 2
PROT 3
PROT 4
SW1
SW2
Where:
PROT y
Bytes containing the protection bits from protection memory
SW1, SW2
= 90 00h if no error