Document Version 1.00
Last revised on
Page 51 of 87
2020-04-10
Reference Manual for uTrust 3720F and uTrust 3721F Readers
6.3.3.3.
READER_GET_INFO_EXTENDED
This Escape command is used to get the firmware version, reader capabilities, and Unicode serial
number of the reader.
Input:
The first byte of the input buffer contains the escape code.
Byte0
Escape code(0x1E)
Output:
The firmware will return data as per structure SCARD_READER_GETINFO_PARAMS_EX mentioned
below.
Field Size
in
Bytes
Field Name
Field Description
Value/Default
1
byMajorVersion
Major Version in BCD
Based on current
firmware version
1
byMinorVersion
Minor Version in BCD
1
bySupportedModes
0x00
ISO mode
2
wSupportedProtocols
Protocols supported by the
Reader
Bit 0 – T0
Bit 1 – T1
0x0003
Received as LSB
first
2
winputDevice
IO_DEV_NONE
0x00
IO_DEV_KEYPAD
0x01
IO_DEV_BIOMETRIC
0x02
0x0000
Received as LSB
first
1
byPersonality
Reader Personality (Not Used )
0x00
1
byMaxSlots
Maximum number of slots
0x01
1
bySerialNoLength
Serial number length (0x1C)
0x1C
28
abySerialNumber
Unicode serial number
Reader serial
number
Received as MSB
first