ACS APG8201-B2, Reference Manual

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APG8201-B2
– Reference Manual
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Version 1.00
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Page 24 of 48
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7.2.3. RDR_to_PC_Parameters
This message is sent by APG8201-B2 in response to the command message:
PC_to_RDR_GetParameters , PC_to_RDR_ResetParameters and PC_to_RDR_SetParameters
Offset Field Size Value Description
0
bMessageType
1 82h -
1 dwLength 4 -
Size of abProtocolDataStructure field of
this message
5 bSlot 1 -
Identifies the slot number for this
command. Same value as in Bulk-OUT
message.
6
bSeq
1 -
Sequence number for the corresponding
command. Same value as in Bulk-OUT
message.
7 bStatus 1 - Slot status register
8 bError 1 - Slot error register
9 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 RFU.
80h = Structure for 2-wire protocol
81h = Structure for 3-wire protocol
82h = Structure for I2C protocol
10
abProtocolDataSt
ructure
Byte
array
- Protocol Data Structure
Protocol Data Structure for Protocol T=0 ( bProtocolNum =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
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 bWaitingIntegerT0 1 00-FFh WI for T=0 used to define WWT