ACS ACR38K Smart Keyboard User Manual
Page 11
ACR38x (CCID) – Reference Manual
Version 6.04
www.acs.com.hk
Page 11 of 58
Offset
Field
Size Value Description
40
dwFeatures
4
ACR38x (CCID) supports the following
features:
•
Automatic ICC clock frequency change
according to parameters
•
Automatic baud rate change according
to frequency and FI,DI parameters
•
TPDU level change with ACR38x
(CCID)
44
dwMaxCCIDMessageLength
4
Maximum message length accepted by
ACR38x (CCID) is 271 bytes.
48
bClassGetResponse
1
Insignificant for TPDU level exchanges.
49
bClassEnvelope
1
Insignificant for TPDU level exchanges.
50
wLCDLayout
2
No LCD.
52
bPINSupport
1
With PIN Verification.
53
bMaxCCIDBusySlots
1
Only 1 slot can be simultaneously busy.