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LEN
MEM_L
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 = 90
00
H
PRESENT_CODE_MEMORY_CARD (only SLE 4428)
To submit the secret code to the memory card to enable the write operation with the SLE4428 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
01
H
CODE
Two bytes secret code (PIN)
Response data format
ERRCNT
The value of the presentation error counter after the code presentation.
CODE
The two bytes secret code read from the card.
SW1, SW2 = 90
00
H
If the correct code has been presented to the card, the value of ERRCNT is FF
identical to the code data specified in the command.
READ_PRESENTATION_ERROR_COUNTER_MEMORY_CARD (only SLE 4428)
To read the presentation error counter for the secret code.
ACR38 Reference Manual
Version 2.2 January 2008
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
= 5 + MEM_L
Length of data to be written to the memory card.
Header
Status
01
H
if no error
H
Instruction
Data length
LEN
CLA
MSB
LSB
A0
00
07
FF
H
H
H
Header
Status
Data length
LEN
01
H
if no error
H
Data length
SW1
SW2
LEN
Data
INS
P1
P2
20
00
00
H
H
H
H
ERRCNT
CODE
SW1
Byte 1
Byte 2
MEM_L
CODE
Byte 1
Byte 2
02
H
SW2
and the value of CODE is
H
Page 31 of 44
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