ACS ACR 38 Manuel d'utilisateur télécharger pdf (Page 19)

ACR38 Reference Manual version 1.9 February 2006

8.2.3 Memory Card – 32,64,128,256,512,1024 kbit I2C card

8.2.3.1 SELECT_CARD_TYPE

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

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 N SW1 SW2

LEN

BYTE x ATR from card (if any)

SW1, SW2 = 90

if no error

8.2.3.2 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

Data TPDU to be sent to the card

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

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ACS ACR 38 Manuel d'utilisateur Page 19