ACR39x – Reference Manual
Version 1.03
www.acs.com.hk
Page 34 of 35
9.0. Other commands accessed via PC_to_RDR_XfrBlock
9.1. GET_READER_INFORMATION
This command is used to return the firmware revision number of the ACR39x reader.
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
Le
FFh
09h
00h
00h
11h
Response Data Format (
abData
field in the
RDR_to_PC_DataBlock
)
FIRMWARE
Where:
FIRMWARE
11 bytes data for firmware version.