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
4h
0h
0h
0
Reserved
Type
Indicates that this is a Pin Complex 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 analogue data
Indicates that a connection list is not present
0
[8]
Conn List
Unsol Capable
ProcWidget
Stripe
0
[7]
1
Widget supports Unsolicited Responses
[6]
0
Widget does not have processing capabilities
Widget does not support striping
[5]
0
[4]
Format Override
0
Widget does not override the format defined for the AFG
The AFG amplifier parameters are used for this widget
[3]
Amp Parameter
Override
0
[2]
[1]
[0]
Out Amp Present
In Amp Present
Stereo
R
R
R
0
1
1
Output amplifier not present in this widget
Input amplifier is present in this widget
Indicates that this is a stereo widget
Pin Capabilities Parameter (PID = 0Ch)
Bit
Bitfield Name
Rsvd
RW
R
Default
0000h
0
Description
[31:17]
[16]
Reserved
EAPD Capable
VRef Control
R
Widget does not support an EAPD pin
Indicates that the MICBIAS pin supports the following voltage levels:
[15:8]
R
17h
Hi-Z
Ground
AVDD1 * 50%
AVDD1 * 80%
[7]
[6]
Rsvd
R
R
0
1
Reserved
Balanced I/O
Pins
Indicates that this widget has balanced pins
[5]
[4]
[3]
Input Capable
R
R
R
1
0
0
Indicates that this widget is input capable
Indicates that this widget is not output capable
Not applicable as this in an input port
Output Capable
Headphone
Drive Capable
[2]
[1]
[0]
Presence Detect
Capable
R
R
R
1
1
1
Indicates that this Widget can perform presence detection
Trigger Required
Indicates that impedance measurement uses the Execute command that is
part of the Pin Sense Verb
Impedance
Impedance measurement supported
Sense Capable
PP, April 2011, Rev 3.2
156
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
