ACR89U-A1 – Reference Manual
Version 1.04
www.acs.com.hk
Page 16 of 57
Offset
Field
Size
Value
Description
9
bClockStatus
1
-
Value:
00h = Clock running
01h = Clock stopped in state L
02h = Clock stopped in state H
03h = Clock stopped in an unknown state
All other values are RFU.
3.4.1.3. RDR_to_PC_Parameters
This message is sent by ACR89 in response to
PC_to_RDR_GetParameters
,
PC_to_RDR_ResetParameters
and
PC_to_RDR_SetParameters
messages.
Offset
Field
Size Value
Description
0
bMessageType
1
82h
-
1
dwLength
4
-
Size of
abProtocolDataStructure
field of this message
5
bSlot
1
-
Same value as in Bulk-OUT
message
6
bSeq
1
-
Same value as in Bulk-OUT
message
7
bStatus
1
-
Slot status and error register as
defined in Section 3.7.
8
bError
1
-
Slot status and error register as
defined in Section 3.7.
9
bProtocolNum
1
-
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
10
abProtocolDataStructure
Byte
array
-
Protocol Data Structure as
summarized in standard CCID Rev
1.1 session 6.2.3.