ACS ACR38K Smart Keyboard - Manual (Page 23)

ACR38x (CCID) – Reference Manual [email protected]
Version 6.04 www.acs.com.hk
Page 23 of 58
9.3.2.3. READ_MEMORY_CARD
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS
Byte Address
MEM_L
MSB LSB
FFh
Where:
INS = B0h for 32, 64, 128, 256, 512kbit iic card
= 1011 000*b for 1024kbit iic card,
where * is the MSB of the 17 bit addressing
Byte Address 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
9.3.2.4. WRITE_MEMORY_CARD
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS
Byte Address
MEM_L Byte 1 .... .... Byte n
MSB LSB
FFh
Where:
INS = D0h for 32, 64, 128, 256, 512 kbit iic card
= 1101 000*b for 1024 kbit iic card,
where * is the MSB of the 17 bit addressing
Byte Address Memory address location of the memory card
MEM_L Length of data to be written to the memory card
Byte x Data to be written to the memory card