WM8850 Datasheet, PDF (123/223 Pages) Wolfson Microelectronics plc – Multi-Channel High Definition Audio CODEC

Pre-Production
Verb ID
Get
F00h
GET PARAMETER VERB
Payload [7:0]
Parameter ID (PID)
Response[31:0]
Parameter Value
WM8850
Audio Widget Capabilities Parameter (PID = 09h)
Bit
[31:24]
[23:20]
[19:16]
[15:12]
[11]
[10]
[9]
[8]
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
Bitfield Name
RW
Rsvd
R
Type
R
Delay
R
Rsvd
R
L-R Swap
R
PowerCntrl
R
Digital
R
Conn List
R
Unsol Capable
R
ProcWidget
R
Stripe
R
Format Override
R
Amp Parameter
R
Override
Out Amp Present R
In Amp Present
R
Stereo
R
Default
00h
0h
0h
0h
0
1
0
0
1
0
0
1
0
1
0
1
Description
Reserved
Indicates that this is an Audio Output Widget
Latency not reported
Reserved
Left/Right swap capability not supported
Indicates that the Power State Verb is supported in this widget
Indicates that this widget is translating analogue data
Indicates that a connection list is not present
Widget supports Unsolicited Responses
Widget does not have processing capabilities
Widget does not support striping
Widget has a subset of the supported rates defined for the AFG
The AFG amplifier parameters are used for this widget
Output amplifier is present in this widget
Input amplifier not present in this widget
Indicates that this is a stereo widget
Supported Rates Parameter (PID = 0Ah)
Bit
[31:21]
[20]
[19]
[18]
[17]
[16]
[15:12]
[11]
[10]
[9]
[8]
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
Bitfield Name
Rsvd
B32
B24
B20
B16
B8
Rsvd
R12
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
RW Default
R
000h
R
1
R
1
R
1
R
1
R
0
R
0h
R
0
R
1
R
1
R
1
R
1
R
1
R
1
R
1
R
1
R
1
R
1
R
1
Description
Reserved
DAC1 supports 32-bit audio format
DAC1 supports 24-bit audio format
DAC1 supports 20-bit audio format
DAC1 supports 16-bit audio format
DAC1 does not support 8-bit audio format
Reserved
DAC1 does not support 384 kHz sample rate
DAC1 supports 192 kHz sample rate
DAC1 supports 176.4 kHz sample rate
DAC1 supports 96 kHz sample rate
DAC1 supports 88.2 kHz sample rate
DAC1 supports 48 kHz sample rate
DAC1 supports 44.1 kHz sample rate
DAC1 supports 32 kHz sample rate
DAC1 supports 22.05 kHz sample rate
DAC1 supports 16 kHz sample rate
DAC1 supports 11.025 kHz sample rate
DAC1 supports 8 kHz sample rate
Supported Stream Formats Parameter (PID = 0Bh)
Bit
[31:3]
[2]
[1]
[0]
Bitfield Name
Rsvd
AC3
Float32
PCM
RW
Default
R 00000000h
R
0
R
1
R
1
Description
Reserved
DAC1 does not support Dolby AC3 formatted data
DAC1 supports Float32 formatted data
DAC1 supports PCM formatted data
w
PP, April 2011, Rev 3.2
123
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h