APG8201-B2
– Reference Manual
Version 1.00
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Page 13 of 48
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.hk
Offset
Field
Size
Value
Description
7
abRFU
3
-
Reserved for future use
The response to this message is the RDR_to_PC_Parameters message.
7.1.6.
PC_to_RDR_SetParameters
This command sets the slot parameters.
Offset
Field
Size
Value
Description
0
bMessageType
1
61h
-
1
dwLength
4
-
Size of
abProtocolDataStructure
field of this message
5
bSlot
1
00-
FFh
Identifies the slot number for this
command
6
bSeq
1
00-
FFh
Sequence number for command
7
bProtocolNum
1
00h,
01h
Specifies what protocol data
structure follows.
00h = Structure for protocol T=0
01h = Structure for protocol T=1
The following values are reserved
for future use:
80h = Structure for 2-wire protocol
81h = Structure for 3-wire protocol
82h = Structure for I2C protocol
8
abRFU
2
-
Reserved for future use
10
abProtocolDataStructure
Byte
array
-
Protocol Data Structure
Protocol Data Structure for Protocol T=0 (
dwLength
=00000005h)
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
bmTCCKST0
1
00h,
02h
B0
– 0b, B7-2 – 000000b
B1
– Convention used (b1=0 for direct,
b1=1 for inverse)
Note: The CCID ignores this bit.
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
bWaitingIntegerT0
1
00-FFh WI for T=0 used to define WWT
