Memory card access via pc_to_rdr_xfrblock, Memory card – 1, 2, 4, 8, 16 kbit i2c card, Select_card_type – ACS ACR33U-A1 SmartDuo Smart Card Reader User Manual

Page 26

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ACR33U-A1 – Reference Manual

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Version 1.02

www.acs.com.hk

Page 26 of 60

8.3. Memory Card Access via PC_to_RDR_XfrBlock

Memory cards can be accessed via PC_to_RDR_XfrBlock command. All memory card functions are

mapped into pseudo-APDUs.

8.3.1.

Memory Card – 1, 2, 4, 8, 16 kbit I2C Card

8.3.1.1. SELECT_CARD_TYPE

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

reset.
Note: This command can only be used after the logical smart card reader communication has been

established using the SCardConnect( ) API. For details of SCardConnect( ) API, please refer to

PC/SC specifications.
Command format (abData field in the PC_to_RDR_XfrBlock)

Pseudo-APDU

CLA INS P1 P2 Lc Card Type

FFh A4h 00h 00h 01h

01h


Response data format (abData field in the RDR_to_PC_DataBlock

)

SW1 SW2

Where:

SW1, SW2 = 90 00h if no error

8.3.1.2. 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 down.
Command format (abData field in the PC_to_RDR_XfrBlock)

Pseudo-APDU

CLA INS P1 P2 Lc Page size

FFh 01h 00h 00h 01h

Where:

Page size = 03h for 8-byte page write

= 04h for 16-byte page write
= 05h for 32-byte page write
= 06h for 64-byte page write
= 07h for 128-byte page write


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