WM8860 datasheet(86/184 Pages) WOLFSON

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WM8860

Pre-Production

PP, April 2011, Rev 3.2

PROCESSING STATE VERB

Verb ID

Payload [7:0]

Response[31:0]

Get

F03h

00h

Bits [31:0] in the table below

Set

703h

Bits [7:0] in the table below

00000000h

Bit

Bitfield Name

Default

Description

[31:8]

Rsvd

000000h

Reserved

[7:0]

Processing State

01h

The processing node 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

Payload [7:0]

Response[31:0]

Get

F05h

00h

Bits [31:0] in the table below

Set

705h

Bits [7:0] in the table below

00000000h

Bit

Bitfield Name

Default

Description

[31:8]

Rsvd

000000h

Reserved

[7:4]

PS-Act

Indicates the actual power state of the MIC1 widget node:

0h = D0

1h = D1

2h = D2

3h = D3

The power state of the MIC1 widget is controlled by PS-Set below, however

the control may be superseded by the PS-Set of the AFG node.

[3:0]

PS-Set

Sets the power state of the MIC1 widget node:

0h = D0

1h = D1

2h = D2

3h = D3

CONVERTER STREAM, CHANNEL VERB

Verb ID

Payload [7:0]

Response[31:0]

Get

F06h

00h

Bits [31:0] in the table below

Set

706h

Bits [7:0] in the table below

00000000h

Bit

Bitfield Name

Default

Description

[31:8]

Rsvd

000000h

Reserved

[7:4]

Stream

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 0h.

For multi-channel capture on MIC1 and MIC2, the Stream value should be

the same for both.

[3:0]

Channel

Lowest channel number used by this widget.

Note: When MIC1 and MIC2 are setup for multi-channel capture, only a

setting of 0h and 2h are applicable. However, the values are mutually

exclusive, in that if Channel has been set to 0h for the MIC1 node, it must

be set to 2h for the MIC2 node. Both nodes should have Channel set to 0h

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