User's Manual

ACR1281U
 Advanced Card Systems Ltd. Page 41 of 81
MEMORY CARD ACCESS
1. Memory Card – 1,2,4,8,16 kbit I2C card
1.1 Select Card Type
This command powers down and up the selected card inserted in the card reader and performs a
card reset.
• Command format
Pseudo-APDU
CLA INS P1 P2 Lc Card Type
FF
H
A4
H
00
H
00
H
01
H
01
H
• Response data format
SW1 SW2
• SW1, SW2 = 90 00 if no error
1.2 Select Page Size
This command will choose the page size to read the smart card. The default value is 8-byte page
write. It will reset to default value whenever the card is removed or the reader is powered off.
• Command format
Pseudo-APDU
CLA INS P1 P2 Lc Page size
FF
H
01
H
00
H
00
H
01
H
• Page size = 03 for 8-byte page write
= 04 for 16-byte page write
= 05 for 32-byte page write
= 06 for 64-byte page write
= 07 for 128-byte page write
• Response data format
SW1 SW2
• SW1, SW2 = 90 00 if no error
1.3 Read Memory Card
• Command format