Pre-Production
WM8850
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
Bit
Bitfield Name
RW
Default
Description
[7:4]
Default
Association
RW
Fh
Association number:
0h = Reserved
1h-Eh = Multi Channel or Single Pin Widget
Fh = Single Pin Widget Only
[3:0]
Sequence
RW
0h
Sequence number used to define individual channel pairs within a stream.
All values (0h-Fh) are available for use. Use a value of 0 for Single Pin
Widget.
Note: The Configuration Default Verb is not reset to its default value during a reset from any source. The settings are only lost
when digital power is removed from the WM8850. When digital power is restored, the System BIOS must restore the settings.
INTERNAL PATH VERB (VENDOR-SPECIFIC)
Verb ID
F73h
Payload [7:0]
00h
Response[31:0]
Get
Set
Bits [31:0] in the table below
00000000h
773h
Bits [7:0] in the table below
Bit
Bitfield Name
Rsvd
RW
R
Default
0000000h Reserved
4h Selects source of S/PDIF Out node:
Description
[31:1]
[7:0]
Path Sel
RW
04h = S/PDIF Tx 1
10h = S/PDIF In
Note: This verb can overwrite the path setup by the connection list
UNSOLICITED RESPONSE PRIORITY CONTROL VERB (VENDOR-SPECIFIC)
Verb ID
F8Eh
Payload [7:0]
00h
Response[31:0]
Get
Set
Bits [31:0] in the table below
00000000h
78Eh
Bits [7:0] in the table below
Bit
Bitfield Name
Rsvd
RW
R
Default
0000000h Reserved
00h
Description
[31:5]
[4:0]
Priority
RW
Assigns a priority setting for queued Unsolicited Responses. Nodes with
the lowest value have the highest priority, and so go to the front of the
Unsolicited Response queue. Nodes with the same value for priority are
queued on first-to-trigger basis.
00h = Highest priority
…
1Fh = Lowest priority
PP, April 2011, Rev 3.2
171
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
