WM8850 Datasheet, PDF (96/223 Pages) Wolfson Microelectronics plc – Multi-Channel High Definition Audio CODEC

WM8850
Verb ID
Get
F03h
Set
703h
PROCESSING STATE VERB
Payload [7:0]
00h
Bits [7:0] in the table below
Pre-Production
Response[31:0]
Bits [31:0] in the table below
00000000h
Bit
[31:8]
[7:0]
Bitfield Name
RW
Rsvd
R
Processing State RW
Default
000000h
01h
Description
Reserved
The processing block is the high-pass filter (HPF). The processing state
is controlled as follows:
00h = Processing Off: HPF disabled
01h = Processing On: HPF enabled
02h = Processing Off: HPF disabled (benign not supported)
03h-7Fh = Reserved
80h-FFh = Vendor Specific – not used
POWER STATE VERB
Verb ID
Get
F05h
Set
705h
Payload [7:0]
00h
Bits [7:0] in the table below
Response[31:0]
Bits [31:0] in the table below
00000000h
Bit
[31:8]
[7:4]
[3:0]
Get
Set
Bit
[31:8]
[7:4]
[3:0]
Bitfield Name
Rsvd
PS-Act
RW Default Description
R
000000h Reserved
R
3h
Indicates the actual power state of the ADC1 widget node:
0h = D0
1h = D1
2h = D2
3h = D3
PS-Set
Note: The power state of the ADC1 widget node is controlled by PS-Set
below, however the control may be superseded by the PS-Set of the AFG
widget node.
RW
3h
Sets the power state of the ADC1 widget node:
0h = D0
1h = D1
2h = D2
3h = D3
Verb ID
F06h
706h
CONVERTER STREAM, CHANNEL VERB
Payload [7:0]
00h
Bits [7:0] in the table below
Response[31:0]
Bits [31:0] in the table below
00000000h
Bitfield Name
Rsvd
Stream
Channel
RW Default Description
R
000000h Reserved
RW
0h
Stream ID used by this widget. Note that Stream ID = 0h is used to indicate
an unused stream, and converters will not transfer/receive link data for
streams with an ID of 0.
RW
0h
Lowest channel number used by this widget.
Note: as this widget does not support multi-channel capture, only a setting
of 0h is applicable.
w
PP, April 2011, Rev 3.2
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