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WM1811A Datasheet(PDF) 297 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 297 Page - Wolfson Microelectronics plc

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Production Data
WM1811A
w
PD, November 2013, Rev 4.1
297
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1555
(0613h)
AIF2TX Right
Volume
9
AIF2TXR_MUTE
1
AIF2 Tx (Right) Soft Mute Control
0 = DAC Un-mute
1 = DAC Mute
8
AIF2TX_VU
0
AIF2 Tx (Left) and AIF2 Tx (Right) Volume Update
Writing a 1 to this bit will cause the AIF2TXL and AIF2TXR volume to be
updated simultaneously
7:0
AIF2TXR_VOL
[7:0]
1100_0000
AIF2 Tx (Right) Digital Volume
00h = MUTE
01h = -71.625dB
… (0.375dB steps)
C0h = 0dB
… (0.375dB steps)
E0h = 12dB
FFh = 12dB
Register 0613h AIF2TX Right Volume
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1556
(0614h) DAC
Softmute
1
DAC_SOFTMUTE
MODE
0
DAC/AIF2 Digital Output Mixer Unmute Ramp select
0 = Unmuting the DAC / AIF2 volume will immediately apply the
DAC1[L/R]_VOL or AIF2TX[L/R]_VOL settings.
1 = Unmuting the DAC / AIF2 volume will cause a gradual ramp up to the
DAC1[L/R]_VOL or AIF2TX[L/R]_VOL settings.
0
DAC_MUTERATE
0
DAC/AIF2 Digital Output Mixer Soft Mute Ramp Rate
0 = Fast ramp (fs/2, maximum ramp time is 10.7ms at fs=48k)
1 = Slow ramp (fs/32, maximum ramp time is 171ms at fs=48k)
(Note: ramp rate scales with sample rate.)
Register 0614h DAC Softmute
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1568
(0620h)
Oversampling
1
ADC_OSR128
1
ADC / Digital Microphone Oversample Rate Select
0 = Low Power
1 = High Performance
0
DAC_OSR128
0
DAC Oversample Rate Select
0 = Low Power
1 = High Performance
Register 0620h Oversampling



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