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ACR33U-A1 SmartDuo Reference Manual
Version 1.00
Page 20 of 56
www.acs.com.hk
Protocol Data Structure for Protocol T=0 (bProtocolNum=0, dwLength=00000005h)
Offset
Field
Size
Value
Description
10
bmFindexDinde
x
1
B7-4 – FI – Index into the table 7 in
ISO/IEC 7816-3:1997 selecting a clock
rate conversion factor
B3-0 – DI - Index into the table 8 in
ISO/IEC 7816-3:1997 selecting a baud
rate conversion factor
11
bmTCCKST0
1
00h,
02h
For T=0, B0 – 0b, B7-2 –
000000b
B1 – Convention used (b1=0 for direct,
b1=1 for inverse)
12
bGuardTimeT0
1
00-
FFh
Extra Guardtime between two
characters. Add 0 to 254 etu to the
normal guardtime of 12etu.
FFh
is the
same as
00h
.
13
bWaitingInteg
erT0
1
00-
FFh
WI for T=0 used to define WWT
14
bClockStop
1
00-
03h
ICC Clock Stop Support
00h
= Stopping the Clock is not allowed
01h
= Stop with Clock signal Low
02h
= Stop with Clock signal High
03h
= Stop with Clock either High or Low
