WM8850 Datasheet, PDF (101/223 Pages) Wolfson Microelectronics plc – Multi-Channel High Definition Audio CODEC

Pre-Production
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
MIC1 does not support Dolby AC3 formatted data
MIC1 supports Float32 formatted data
MIC1 supports PCM formatted data
WM8850
Connection List Length Parameter (PID = 0Eh)
Bit
[31:8]
[7]
[6:0]
Bitfield Name
Rsvd
Long Form
Connection List
Length
RW Default
R
000000h
R
0
R
01h
Description
Reserved
Indicates that the connection list items are in short form
Indicates that there is 1 NID entry in the connection list
Supported Power States Parameter (PID = 0Fh)
Bit
[31:4]
[3]
[2]
[1]
[0]
Bitfield Name
Rsvd
D3Sup
D2Sup
D1sup
D0Sup
RW Default
R 0000000h
R
1
R
1
R
1
R
1
Description
Reserved
D3 power state supported
D2 power state supported
D1 power state supported
D0 power state supported
Processing Capabilities Parameter (PID = 10h)
Bit
[31:16]
[15:8]
[7:1]
[0]
Bitfield Name
Rsvd
NumCoeff
Rsvd
Benign
RW Default
R
0000h
R
00h
R
00h
R
0
Description
Reserved
This widget does not support loadable coefficients
Reserved
The “Processing Benign State” is not supported
GET CONNECTION LIST ENTRY VERB
Verb ID
Get
F02h
Payload [7:0]
00h
Response[31:0]
Bits [31:0] in the table below
Bit
[31:24]
[23:16]
[15:8]
[7:0]
Bitfield Name
RW
Conn List Entry 3 R
Conn List Entry 2 R
Conn List Entry 1 R
Conn List Entry 0 R
Default
00h
00h
00h
09h
Description
Unused connection list entry
Unused connection list entry
Unused connection list entry
Indicates that the MIC1 Widget connects to the MIC1 Mux Widget (NID =
09h)
w
PP, April 2011, Rev 3.2
101
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h