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WM8946ECS/R Datasheet(PDF) 126 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) 126 Page - Wolfson Microelectronics plc

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WM8946
Production Data
w
PD, July 2012, Rev 4.3
126
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R21 (15h)
DAC Control
1
8
DAC_MUTEAL
L
1
DAC Digital Mute for All Channels:
0 = Disable Mute
1 = Enable Mute on all channels
4
DAC_AUTOMU
TE
1
DAC Auto-Mute Control
0 = Disabled
1 = Enabled
1
DACR_DATIN
V
0
Right DAC Invert
0 = Right DAC output not inverted
1 = Right DAC output inverted
0
DACL_DATINV
0
Left DAC Invert
0 = Left DAC output not inverted
1 = Left DAC output inverted
Register 15h DAC Control 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R22 (16h)
DAC Control
2
4
DAC_VOL_RA
MP
1
DAC Volume Ramp control
0 = Disabled
1 = Enabled
0
DAC_SB_FLT
0
Selects DAC filter characteristics
0 = Normal mode
1 = Sloping stopband mode
Register 16h DAC Control 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R23 (17h)
Left DAC
digital Vol
12
DAC_VU
0
DAC Volume Update
Writing a 1 to this bit will cause Left and Right DAC
volume to be updated simultaneously
8
DACL_MUTE
0
Left DAC Digital Mute
0 = Disable Mute
1 = Enable Mute
7:0
DACL_VOL
[7:0]
1100_0000 Left DAC Digital Volume
0000_0000 = mute
0000_0001 = -71.625dB
0000_0010 = -71.250dB
…
1100_0000 = 0dB
...
1111_1111 = +23.625dB
Register 17h Left DAC digital Vol



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