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
UNSOLICITED RESPONSE VERB
Verb ID
Payload [7:0]
00h
Response[31:0]
Get
Set
F08h
708h
Bits [31:0] in the table below
00000000h
Bits [7:0] in the table below
Bit
Bitfield Name
Rsvd
RW
R
Default
000000h
0
Description
[31:8]
[7]
Reserved
Enable
RW
0 = Unsolicited Responses disabled for this node
1 = Unsolicited Responses enabled for this node
Reserved
[6]
Rsvd
Tag
R
0
[5:0]
RW
02h
A software programmable tag value that is returned in the top six bits
(31:26) of every Unsolicited Response from this node.
The default for Tag is equal to the Node ID.
Note: The Unsolicited Response for the AFG node is defined in the “Unsolicited Responses” section.
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
CHANNEL COPY VERB (VENDOR-SPECIFIC)
Verb ID
FB1h
Payload [7:0]
00h
Response[31:0]
Get
Set
Bits [31:0] in the table below
00000000h
7B1h
Bits [7:0] in the table below
Bit
Bitfield Name
Rsvd
RW
R
Default
Description
[31:2]
[1]
00000000h Reserved
CHAN1_SEL
RW
1
0
Channel 1 (right) Mapping Control:
0 = Channel 1 takes data from left audio channel
1 = Channel 1 takes data from right audio channel
Channel 0 (left) Mapping Control:
[0]
CHAN0_SEL
RW
0 = Channel 0 takes data from left audio channel
1 = Channel 0 takes data from right audio channel
PP, April 2011, Rev 3.2
97
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
