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WM8946ECS/R Datasheet(PDF) 139 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 139 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
139
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R48 (30h)
Right SPK
volume ctrl
8
SPK_VU
0
Speaker PGA Volume Update
Writing a 1 to this bit will cause the Left and Right
Speaker PGA volumes to be updated simultaneously.
7
SPKR_ZC
0
Right Speaker PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
6
SPKR_PGA_M
UTE
1
Right Speaker PGA Mute
0 = Disable Mute
1 = Enable Mute
5:0
SPKR_VOL[5:0
]
11_1001
Right Speaker PGA Volume
00_0000 = -57dB gain
00_0001 = -56dB
…
11_1001 = 0dB
...
11_1111 = +6dB
Register 30h Right SPK volume ctrl
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R49 (31h)
Line L mixer
control 1
6
BYPL_TO_OU
TL
0
Left Input PGA (ADC bypass) to Left Output Mixer
select
0 = Disabled
1 = Enabled
5
MDACL_TO_O
UTL
0
Inverted Left DAC to Left Output Mixer select
0 = Disabled
1 = Enabled
4
MDACR_TO_O
UTL
0
Inverted Right DAC to Left Output Mixer select
0 = Disabled
1 = Enabled
3
DACL_TO_OU
TL
0
Left DAC to Left Output Mixer select
0 = Disabled
1 = Enabled
2
DACR_TO_OU
TL
0
Right DAC to Left Output Mixer select
0 = Disabled
1 = Enabled
1
AUX2_TO_OU
TL
0
AUX2 Audio Input to Left Output Mixer select
0 = Disabled
1 = Enabled
0
AUX1_TO_OU
TL
0
AUX1 Audio Input to Left Output Mixer select
0 = Disabled
1 = Enabled
Register 31h Line L mixer control 1



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