ACR1281U-C1 – Application Programming Interface
Version 1.08
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Page 15 of 96
5.1.2.
Memory Card – 32/64/128/256/512/1024 kbits I2C Card
5.1.2.1.
Select card type
This command powers down/up the selected card in the reader, and then performs a card reset after.
Command
Command
Class
INS
P1
P2
Lc
Card Type
Select Card Type
FFh
A4h
00h
00h
01h
02h
Response
Response
Data Out
Result
SW1
SW2
Where:
SW1 SW2
= 90 00h if the operation is completed successfully.
5.1.2.2.
Select page size
This command chooses the page size to read in the card. The default value is an 8-byte page write. It
resets to the default value whenever the card is removed or the reader is turned off.
Command
Command
Class
INS
P1
P2
Lc
Page Size
Select Page Size
FFh
01h
00h
00h
01h
Where:
Page Size
(1 byte)
03h = 8-byte page write
04h = 16-byte page write
05h = 32-byte page write
06h = 64-byte page write
07h = 128-byte page write
Response
Response
Data Out
Result
SW1
SW2
Where:
SW1 SW2
= 90 00h if the operation is completed successfully.