ACS ACR 38 User Manual download pdf (Page 21)

ACR38 Reference Manual version 1.9 February 2006

Response data format

Header Status Data length SW1 SW2

LEN

SW1, SW2 = 90

if no error

8.2.4 Memory Card – ATMEL AT88SC153

8.2.4.1 SELECT_CARD_TYPE

This command powers down and up the selected card inserted in the card reader and performs a card reset.

It will also select the page size to be 8-byte page write.

Notes: This command must be the first command after card insertion!

Command format

Header Instruction Data length Data

LEN CLA INS P1 P2 Lc Card Type

Response data format

Header Status Data length BYTE 1 BYTE 2 BYTE 3 BYTE 4 SW1 SW2

LEN

BYTE x ATR from card

SW1, SW2 = 90

if no error

8.2.4.2 READ_MEMORY_CARD

Command format

Header Instruction Data length Data

LEN CLA INS P1 Byte

Address

MEM_L

INS = B0

for reading zone 00

= B1

for reading zone 01

= B2

for reading zone 10

= B3

for reading zone 11

= B4

for reading fuse

Byte Address Memory address location of the memory card.

MEM_L Length of data to be read from the memory card.

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ACS ACR 38 User Manual Page 21