User Manual

ACR38x (CCID) Reference Manual info@acs.com.hk
Version 6.04
www.acs.com.hk
Page 28 of 58
9.3.4. Memory Card ATMEL AT88C1608
9.3.4.1. SELECT_CARD_TYPE
This command powers up and down 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
9.3.4.2. 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