ACS ACR 38 User Manual download pdf (Page 17)

ACR38 Reference Manual version 1.9 February 2006

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 N SW1 SW2

LEN

BYTE x ATR from card (if any)

SW1, SW2 = 90

if no error

8.2.2.2 SELECT_PAGE_SIZE

This command will choose the page size to read the smart card. The default value is 8-byte page write. It will

reset to default value whenever the card is removed or the reader is powered off.

Command format

Header Instruction Data length Data

LEN CLA INS P1 P2 Lc Page size

Page size = 03

for 8-byte page write

= 04

for 16-byte page write

= 05

for 32-byte page write

= 06

for 64-byte page write

= 07

for 128-byte page write

Response data format

Header Status Data length SW1 SW2

LEN

SW1, SW2 = 90

if no error

8.2.2.3 READ_MEMORY_CARD

Command format

Header Instruction Data length Data

LEN CLA INS Byte Address MEM_L

MSB LSB

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ACS ACR 38 User Manual Page 17