ACR3901T-W1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 70 of 100
7.2.4.
Memory Card – ATMEL AT88C1608
7.2.4.1.
SELECT_CARD_TYPE
This command powers down and up the selected card that is inserted in the card reader and performs
a card reset. It will also select the page size to be 16-byte page write.
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
04h
Response Data Format (
abData
field in the
RDR_to_PC_DataBlock
)
SW1
SW2
Where:
SW1 SW2
= 90 00h if no error
7.2.4.2.
READ_MEMORY_CARD
Command Format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA
INS
Zone Address
Byte Address
MEM_L
FFh
Where:
INS
= B0h for reading user zone
= B1h for reading configuration zone or reading fuse
Zone Address
= 0000 0A
10
A
9
A
8
b where A
10
is the MSB of zone address
= don’t care for reading fuse
Byte Address
= A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
b is the memory address location of the memory
card
= 1000 0000b for reading fuse
MEM_L
Length of data to be read from the memory card
Response Data Format (
abData
field in the
RDR_to_PC_DataBlock
)
BYTE 1
…
…
BYTE N
SW1
SW2
Where:
BYTE x
Data read from memory card
SW1 SW2
= 90 00h if no error
