ACS ACR 38, Справочное руководство

Страница: 35 / 44

A C R 3 8 S m a r t C a r d R e a d e r / W r i t e r
Command format
Header Instruction Data length Data
LEN CLA INS P1 Byte
Address
MEM_L Byte 1 .... .... Byte N
MSB LSB
01
H
A0
H
FF
H
D1
H
00
H
Byte Address = 000A
4
A
3
A
2
A
1
A
0 b
(00
H
to 1F
H
) is the protection memory address location of the memory
card.
LEN = 5 + MEM_L
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
N-1).
Response data format
Header Status Data length SW1 SW2
LEN
01
H
SW1, SW2 = 90
H
00
H
if no error
PRESENT_CODE_MEMORY_CARD (only SLE 5542)
To submit the secret code to the memory card to enable the write operation with the SLE5542 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
Header Instruction Data length Data
LEN CLA INS P1 P2 MEM_L CODE
MSB LSB Byte 1 Byte 2 Byte 3
01
H
A0
H
00
H
08
H
FF
H
20
H
00
H
00
H
03
H
CODE Three bytes secret code (PIN)
ACR38 Reference Manual
Version 2.2 January 2008
Page 35 of 44