ACR39x – Reference Manual
Version 1.03
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Page 21 of 35
8.2. Memory Card – 32, 64, 128, 256, 512, and 1024 kilobit I2C Card
8.2.1.
SELECT_CARD_TYPE
This command is used to power down and up the selected card in the card reader, and then performs
a card reset.
Note: This command can only be used after the logical smart card reader communication has been
established using the SCardConnect() API. For details of SCardConnect() API, please refer to PC/SC
Specifications.
Command format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA
INS
P1
P2
Lc
Card Type
FFh
A4h
00h
00h
01h
02h
Response data format (
abData
field in the
RDR_to_PC_DataBlock
)
SW1
SW2
Where:
SW1 SW2
= 90 00h if no error.
8.2.2.
SELECT_PAGE_SIZE
This command is used to select 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 (
abdata
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA
INS
P1
P2
Lc
Page Size
FFh
01h
00h
00h
01h
Where:
Data
TPDU to be sent to the card.
Page size
= 03h for 8-byte page write
= 04h for 16-byte page write
= 05h for 32-byte page write
= 06h for 64-byte page write
= 07h
for 128-byte page write
