WM8850
Pre-Production
CHIP HIERARCHY
WIDGET DIAGRAM
Figure 4 below shows the widgets for the WM8850 CODEC, showing available audio routing options.
The Node ID (NID) values are shown in the top right corner of each widget. Dotted lines indicate
paths that are controlled by vendor-specific verbs.
0Ah
0Ch
VIN1LP
VIN1LN
VIN1RP
VIN1RN
02h
PGA1
Port-E
ADC1
0Bh
0Dh
VIN2LP
VIN2LN
VIN2RP
VIN2RN
03h
09h
PGA2
Port-B
MIC1
MIC1 Mux
MICBIAS
0Eh
17h
DMICDAT1
DMICCLK
Port-D
S/PDIF
TX 2
15h
16h
DMICDAT2/
SPDIFOUT2
MIC2
Port-H
SDO
SDI
04h
0Fh
S/PDIF
Tx 1
S/PDIF
Out
SPDIFOUT1
SPDIFIN
RESET
SYNC
BCLK
05h
10h
S/PDIF
In
S/PDIF Rx
06h
11h
VOUT1L
VOUT1R
DAC1
Port-A
07h
12h
VOUT2LP
VOUT2LN
VOUT2RP
VOUT2RN
DAC2
Port-G
08h
13h
VOUT3LP
VOUT3LN
VOUT3RP
VOUT3RN
DAC3
Port-F
14h
Beep
Figure 4 Widget Diagram Showing Valid Audio Paths
PP, April 2011, Rev 3.2
34
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
