User's Manual

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.
• DUMMY Two bytes dummy data read from the card.
• SW1, SW2 = 90 00 if no error
5.4 Read Protection Bit
• Command format