WM8850
Pre-Production
GET PARAMETER VERB
Verb ID
Payload [7:0]
Response[31:0]
Get
F00h
Parameter ID (PID)
Parameter Value
Audio Widget Capabilities Parameter (PID = 09h)
Bit
Bitfield Name
Rsvd
RW
R
R
R
R
R
R
R
R
R
R
R
R
R
Default
Description
[31:24]
[23:20]
[19:16]
[15:12]
[11]
[10]
[9]
00h
1h
0h
0h
0
Reserved
Type
Indicates that this is an Audio Input Widget
Latency not reported
Delay
Rsvd
Reserved
L-R Swap
PowerCntrl
Digital
Left/Right swap capability not supported
0
Indicates that the Power State Verb is not supported in this widget
Indicates that this widget is translating digital data
Indicates that a connection list is present
1
[8]
Conn List
Unsol Capable
ProcWidget
Stripe
1
[7]
1
Widget supports Unsolicited Responses
[6]
1
Widget has processing capabilities (i.e high pass filter)
Widget does not support striping
[5]
0
[4]
Format Override
1
Widget has a subset of the supported rates defined for the AFG
Not applicable as this widget does not have amplifier capabilities
[3]
Amp Parameter
Override
0
[2]
[1]
[0]
Out Amp Present
In Amp Present
Stereo
R
R
R
0
0
1
Output amplifier not applicable for this widget
Input amplifier not present in this widget
Indicates that this is a stereo widget
Supported Rates Parameter (PID = 0Ah)
Bit
Bitfield Name
Rsvd
B32
B24
B20
B16
B8
RW
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Default
Description
[31:21]
[20]
[19]
[18]
[17]
[16]
[15:12]
[11]
[10]
[9]
000h
1
Reserved
MIC1 supports 32-bit audio format
MIC1 supports 24-bit audio format
MIC1 supports 20-bit audio format
MIC1 supports 16-bit audio format
MIC1 does not support 8-bit audio format
Reserved
1
1
1
0
Rsvd
R12
R11
R10
R9
0h
0
MIC1 does not support 384 kHz sample rate
MIC1 does not support 192 kHz sample rate
MIC1 does not support 176.4 kHz sample rate
MIC1 does not support 96 kHz sample rate
MIC1 does not support 88.2 kHz sample rate
MIC1 supports 48 kHz sample rate
MIC1 supports 44.1 kHz sample rate
MIC1 supports 32 kHz sample rate
MIC1 supports 22.05 kHz sample rate
MIC1 supports 16 kHz sample rate
MIC1 supports 11.025 kHz sample rate
MIC1 supports 8 kHz sample rate
0
0
[8]
0
[7]
R8
0
[6]
R7
1
[5]
R6
1
[4]
R5
1
[3]
R4
1
[2]
R3
1
[1]
R2
1
[0]
R1
1
Supported Stream Formats Parameter (PID = 0Bh)
Bit
[31:3]
[2]
Bitfield Name
Rsvd
RW
R
Default
Description
00000000h Reserved
AC3
R
0
1
1
MIC2 does not support Dolby AC3 formatted data
[1]
Float32
PCM
R
MIC2 supports Float32 formatted data
MIC2 supports PCM formatted data
[0]
R
PP, April 2011, Rev 3.2
202
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
