Pre-Production
WM8850
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
INTERNAL PATH VERB (VENDOR-SPECIFIC)
Verb ID
Payload [7:0]
00h
Response[31:0]
Get
F73h
773h
Bits [31:0] in the table below
00000000h
Set1
Bits [7:0] in the table below
Bit
Bitfield Name
Rsvd
RW
R
Default
0000000h
00h
Description
[31:8]
[7:0]
Reserved
Path Sel
RW
Selects source of S/PDIF TX 2 node:
00h = HDA Link
02h = ADC1
03h = MIC1
15h = MIC2
All other values of Path Sel are reserved.
TX CHANNEL STATUS CONTROL VERB (VENDOR-SPECIFIC)
Verb ID
F81h
781h
782h
783h
784h
Payload [7:0]
Response[31:0]
Bits [31:0] in the table below
00000000h
Get
00h
Set1
Set2
Set3
Set4
Bits [7:0] in the table below
Bits [15:8] in the table below
Bits [23:16] in the table below
Bits [31:24] in the table below
00000000h
00000000h
00000000h
The bits in the table below are defined in the IEC-60958-3 Specification:
Bit
Bitfield Name
RW
Default
Description
[31:28]
Channel Status
[39:36]
RW
0h
Original Sampling Frequency
[27:25]
[24]
Channel Status
[35:33]
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
5h
1
Sample Word Length
Channel Status
[32]
Max Word Length
[23:22]
[21:20]
[19:16]
[15:12]
[11:8]
[7:4]
Channel Status
[31:30]
0h
0h
1h
0h
0h
0h
0h
0h
Channel Status [31:30]
Clock Accuracy
Channel Status
[29:28]
Channel Status
[27:24]
Sampling Frequency
Channel Status
B [23:20]
Channel Number for Sub-Frame B
Channel Number for Sub-Frame A
Source Number
Channel Status
[23:20]
Channel Status
[19:16]
[3:2]
Channel Status
[7:6]
Channel Status Mode
[1:0]
Channel Status
[5:4]
Additional De-emphasis Information
Notes:
1. When Software Formatted S/PDIF is selected, verb settings for channel status and validity are not used.
2. The Channel Number for Sub-frame B is uniquely configurable – all other Channel status bits have the same value as
Sub-frame A.
PP, April 2011, Rev 3.2
217
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
