![ACS ACR38 Smart Скачать руководство пользователя страница 19](http://html.mh-extra.com/html/acs/acr38-smart/acr38-smart_reference-manual_2841731019.webp)
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
01
H
A0
H
00
H
06
H
FF
H
A4
H
00
H
00
H
01
H
02
H
Response data format
Header
Status
Data length
BYTE 1
…
…
BYTE N
SW1
SW2
LEN
01
H
BYTE x
ATR from card (if any)
SW1, SW2
= 90
H
00
H
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
01
H
A0
H
00
H
06
H
FF
H
01
H
00
H
00
H
01
H
Data
TPDU to be sent to the card
Page size
=
03
H
for 8-byte page write
=
04
H
for 16-byte page write
=
05
H
for 32-byte page write
=
06
H
for 64-byte page write
=
07
H
for 128-byte page write
Advanced Card Systems Ltd.
Page 19 of 43