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
SW1
SW2
LEN
01
H
SW1, SW2
= 90
H
00
H
if no error
Memory Card – ATMEL AT88SC153
SELECT_CARD_TYPE
This command powers down and up the selected card inserted in the card reader and performs a card reset.
It will also select the page size to be 8-byte page write.
Notes: This command must be the first command after card insertion!
Command format
Header
Instruction
Data length
Data
LEN
CLA
INS
P1
P2
Lc
Card Type
01
H
A0
H
00
H
06
H
FF
H
A4
H
00
H
00
H
01
H
03
H
Response data format
Header
Status
Data length
BYTE 1
BYTE 2
BYTE 3
BYTE 4
SW1
SW2
LEN
01
H
BYTE x
ATR from card
SW1, SW2
= 90
H
00
H
if no error
READ_MEMORY_CARD
Command format
Header
Instruction
Data length
Data
LEN
CLA
INS
P1
Byte
Address
MEM_L
01
H
A0
H
00
H
05
H
FF
H
00
H
INS
=
B0
H
for reading zone 00
b
=
B1
H
for reading zone 01
b
=
B2
H
for reading zone 10
b
=
B3
H
for reading zone 11
b
=
B4
H
for reading fuse
Byte Address
Memory address location of the memory card.
MEM_L
Length of data to be read from the memory card.
ACR38 Reference Manual
Version 2.2 January 2008
Page
22
of 44
