ACS ACR 38, Справочное руководство

Страница: 30 / 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
Response data format
Header Status Data length BYTE 1 … … BYTE N SW1 SW2
LEN
01
H
BYTE x Data read from memory card
SW1, SW2 = 90
H
00
H
if no error
WRITE_MEMORY_CARD
Command format
Header Instruction Data length Data
LEN CLA INS Byte Address MEM_L Byte 1 .... .... Byte N
MSB LSB MSB LSB
01
H
A0
H
FF
H
D0
H
MSB Byte Address = 0000 00A
9
A
8 b
is the memory address location of the memory card.
LSB Byte Address = A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0 b
is the 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 Data to be written to the memory card.
Response data format
Header Status Data length SW1 SW2
LEN
01
H
SW1, SW2 = 90
H
00
H
if no error
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 matches, the corresponding protection bit is irreversibly programmed to ‘0’.
Command format
Header Instruction Data length Data
LEN CLA INS Byte Address MEM_L Byte 1 .... .... Byte N
MSB LSB MSB LSB
01
H
A0
H
FF
H
D1
H
MSB Byte Address = 0000 00A
9
A
8 b
is the memory address location of the memory card.
LSB Byte Address = A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0 b
is the memory address location of the memory card.
ACR38 Reference Manual
Version 2.2 January 2008
Page 30 of 44