Advanced Card Systems Limited ACR1281U Benutzerhandbuch
ACR1281U
Advanced Card Systems Ltd.
Page 51 of 81
5.2 Read Memory Card
• Command format
Pseudo-APDU
Byte Address
CLA
INS
MSB
LSB
MEM_L
FF
H
B0
H
MSB Byte Address
= 0000 00A9A8 b is the memory address location of the memory card.
LSB Byte Address
= A7A6A5A4 A3A2A1A0 b is the memory address location of the memory
card.
MEM_L
Length of data to be read from the memory card
.
• Response data format
BYTE 1
…
…
BYTE N
SW1
SW2
• BYTE x
Data read from memory card
• SW1, SW2
= 90 00 if no error
5.3 Presentation Error Counter Memory Card (only SLE4428 and SLE5528)
To read the presentation error counter for the secret code.
• Command format
Pseudo-APDU
CLA
INS
P1
P2
MEM_L
FF
H
B1
H
00
H
00
H
03
H
• Response data format
ERRCNT
DUMMY 1
DUMMY 2
SW1
SW2
• ERRCNT
The value of the presentation error counter. FF indicates the last verification
is correct. 00 indicates the password is locked (exceed maximum number of retries). Other
values indicate the last verification is failed.
values indicate the last verification is failed.
• DUMMY
Two bytes dummy data read from the card.
• SW1, SW2
= 90 00 if no error
5.4 Read Protection Bit
• Command format