ACR100I – Reference Manual
Version 1.00
www.acs.com.hk
Page 14 of 20
Offset
Field
Size
Value
Description
14
bClockStop
1
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
Protocol Data Structure for Protocol T=1 (
dwLength=00000007h
)
Offset
Field
Size
Value
Description
10
bmFindexDindex
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
BmTCCKST1
1
B7-2 – 000100b
B0 – Checksum type (b0=0 for LRC,
b0=1 for CRC
B1 – Convention used (b1=0 for direct,
b1=1 for inverse)
Note: The CCID ignores this bit.
12
BGuardTimeT1
1
Extra Guardtime (0 to 254 etu between
two characters). If value is FFh, then
guardtime is reduced by 1 etu.
13
BWaitingIntegerT1
1
B7-4 = BWI values 0-9 valid
B3-0 = CWI values 0-Fh valid
14
bClockStop
1
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
15
bIFSC
1
Size of negotiated IFSC
16
bNadValue
1
00h
Only support NAD = 00h
The response to this message is the
RDR_to_PC_Parameters
message.