Advanced Card Systems Limited ACR1281U Benutzerhandbuch
ACR1281U
Advanced Card Systems Ltd.
Page 53 of 81
Byte x
Data to be written to the memory card.
• Response data format
SW1
SW2
• SW1, SW2
= 90 00 if no error
5.6 Write Protection Memory Card
Each of the bytes specified in the command is internally in the card compared with the byte stored
at the specified address and if the data match, the corresponding protection bit is irreversibly
programmed to ‘0’.
at the specified address and if the data match, the corresponding protection bit is irreversibly
programmed to ‘0’.
• Command format
Pseudo-APDU
Byte Address
CLA
INS
MSB
LSB
MEM_L
Byte 1
....
....
Byte N
FF
H
D1
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 written to the memory card.
Byte x
Byte values to be compared with the data in the card starting at Byte Address. BYTE 1
is compared with the data at Byte Address; BYTE N is compared with the data at (Byte
Address+N-1).
• Response data format
SW1
SW2
• SW1, SW2
= 90 00 if no error
5.7 Present Code Memory Card (only SLE 4428 and SLE5528)
To submit the secret code to the memory card to enable the write operation with the SLE4428 and
SLE5528 card. The following actions are executed:
SLE5528 card. The following actions are executed:
- search a ‘1’ bit in the presentation error counter and write the bit to ‘0’
- present the specified code to the card
- try to erase the presentation error counter
• Command format