Memory card – sle 4418/sle 4428/sle 5518/sle 5528, Select_card_type, Read_memory_card – ACS ACR38K Smart Keyboard User Manual
Page 32

ACR38x (CCID) – Reference Manual
Version 6.04
www.acs.com.hk
Page 32 of 58
9.3.5.
Memory Card – SLE 4418/SLE 4428/SLE 5518/SLE 5528
9.3.5.1. SELECT_CARD_TYPE
This command powers up and down the selected card that is inserted in the card reader and performs
a card reset.
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
05h
Response Data Format (abData field in the RDR_to_PC_DataBlock)
SW1 SW2
Where:
SW1 SW2 = 90 00h if no error
9.3.5.2. READ_MEMORY_CARD
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS
Byte Address
MEM_L
MSB
LSB
FFh
B0h
Where:
MSB Byte Address
= 0000 00A
9
A
8
b is the memory address location of the memory card
LSB 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
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