ACS ACR38 SAM Smart Card Reader - Manual (Page 26)

ACR38x – Reference Manual [email protected]
Version 6.02 www.acs.com.hk
Page 26 of 40
9.2.2.4. Memory Card – ATMEL AT88SC1608
9.2.2.4.1. READ_MEMORY_CARD
Send Buffer Format
SCardTransmit Send Buffer
CLA INS Zone Address (P1) Byte Address (P2) MEM_L (P3)
FFh
Where:
INS = B0h for reading user zone.
= B1h for reading configuration zone or reading fuse.
Zone Address = 0000 0A10A9A8b, where A10 is the MSB of zone address.
= don’t care for reading fuse.
Byte Address = A7A6A5A4 A3A2A1A0b 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 Buffer Format
SCardTransmit Receive Buffer
BYTE 1 … … BYTE N SW1 SW2
Where:
BYTE x Data read from memory card.
SW1 SW2 = 90 00h if no error.
9.2.2.4.2. WRITE_MEMORY_CARD
Send Buffer Format
SCardTransmit Send Buffer
CLA INS Zone Address (P1) Byte Address (P2) MEM_L (P3) Byte 1 .... .... Byte n
FFh
Where:
INS = D0h for writing user zone.
= D1h for writing configuration zone or writing fuse.
Zone Address = 0000 0A10A9A8b, where A10 is the MSB of zone address.
= don’t care for writing fuse.
Byte Address = A7A6A5A4 A3A2A1A0b is the memory address location of the memory card.
= 1000 0000b for writing fuse.
MEM_L Length of data to be written in the memory card.
Byte x Data to be written to the memory card.