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
P2
MEM_L
MSB
LSB
01
H
A0
H
00
H
05
H
FF
H
B1
H
00
H
00
H
00
H
Response data format
Header
Status
Data length
ERRCNT
DUMMY 1
DUMMY 2
SW1
SW2
LEN
01
H
ERRCNT
The value of the presentation error counter.
DUMMY
Two bytes dummy data read from the card.
SW1, SW2
= 90
H
00
H
if no error
ACR38 Reference Manual
Version 2.2 January 2008
Page
32
of 44