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WM1811A Datasheet(PDF) 285 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) 285 Page - Wolfson Microelectronics plc

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Production Data
WM1811A
w
PD, November 2013, Rev 4.1
285
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
5
AIF2DAC_MUTE
RATE
0
AIF2DAC input path 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.)
4
AIF2DAC_UNMU
TE_RAMP
0
AIF2DAC input path Unmute Ramp select
0 = Unmuting the AIF2DAC path (AIF2DAC_MUTE=0) will immediately apply
the AIF2DACL_VOL and AIF2DACR_VOL settings.
1 = Unmuting the AIF2DAC path (AIF2DAC_MUTE=0) will cause a gradual
volume ramp up to the AIF2DACL_VOL and AIF2DACR_VOL settings.
Register 0520h AIF2 DAC Filters (1)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1313
(0521h) AIF2
DAC Filters
(2)
13:9
AIF2DAC_3D_GA
IN [4:0]
0_0000
AIF2DAC playback path 3D Stereo depth
00000 = Off
00001 = Minimum (-16dB)
…(0.915dB steps)
11111 = Maximum (+11.45dB)
8
AIF2DAC_3D_EN
A
0
Enable 3D Stereo in AIF2DAC playback path
0 = Disabled
1 = Enabled
Register 0521h AIF2 DAC Filters (2)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1328
(0530h) AIF2
DAC Noise
Gate
6:5
AIF2DAC_NG_HL
D [1:0]
11
AIF2DAC input path Noise Gate Hold Time
(delay before noise gate is activated)
00 = 30ms
01 = 125ms
10 = 250ms
11 = 500ms
3:1
AIF2DAC_NG_TH
R [2:0]
100
AIF2DAC input path Noise Gate Threshold
000 = -60dB
001 = -66dB
010 = -72dB
011 = -78dB
100 = -84dB
101 = -90dB
110 = -96dB
111 = -102dB
0
AIF2DAC_NG_E
NA
0
AIF2DAC input path Noise Gate Enable
0 = Disabled
1 = Enabled
Register 0530h AIF2 DAC Noise Gate



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