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WM8850 Datasheet(PDF) 111 Page - Wolfson Microelectronics plc

Part # WM8850
Description  Multi-Channel High Definition Audio CODEC
PDF  223 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8850 Datasheet(HTML) 111 Page - Wolfson Microelectronics plc

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Pre-Production
WM8850
w
PP, April 2011, Rev 3.2
111
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
TX CHANNEL STATUS CONTROL VERB (VENDOR-SPECIFIC)
Verb ID
Payload [7:0]
Response[31:0]
Get
F81h
00h
Bits [31:0] in the table below
Set1
781h
Bits [7:0] in the table below
00000000h
Set2
782h
Bits [15:8] in the table below
00000000h
Set3
783h
Bits [23:16] in the table below
00000000h
Set4
784h
Bits [31:24] in the table below
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]
Channel Status
[35:33]
RW
5h
Sample Word Length
[24]
Channel Status
[32]
RW
1
Max Word Length
[23:22]
Channel Status
[31:30]
RW
0h
Channel Status [31:30]
[21:20]
Channel Status
[29:28]
RW
0h
Clock Accuracy
[19:16]
Channel Status
[27:24]
RW
1h
Sampling Frequency
[15:12]
Channel Status
B [23:20]
RW
0h
Channel Number for Sub-Frame B
[11:8]
Channel Status
[23:20]
RW
0h
Channel Number for Sub-Frame A
[7:4]
Channel Status
[19:16]
RW
0h
Source Number
[3:2]
Channel Status
[7:6]
RW
0h
Channel Status Mode
[1:0]
Channel Status
[5:4]
RW
0h
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.
CHANNEL STATUS DATA PACKING CONFIGURATION VERB (VENDOR-
SPECIFIC)
Verb ID
Payload [7:0]
Response[31:0]
Get
F85h
00h
Bits [31:0] in the table below
Set
785h
Bits [7:0] in the table below
00000000h
Bit
Bitfield Name
RW
Default
Description
[31:1]
Rsvd
R
0000000h
Reserved
[0]
CSD_MODE
RW
1
S/PDIF Transmitter Channel Status Data Packing Mode:
0 = Manual mode: sample rate and data width channel status data
packed from data sourced from the Tx Channel Status Control Verb
1 = Automatic mode: sample rate and data width channel status data
packed from data sourced from the Stream Verb, S/PDIF Verb or S/PDIF
Rx Rate Detector (depending on routing through device)



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