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WM1811A Datasheet(PDF) 276 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) 276 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
276
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
3:1
AIF1DAC1_NG_T
HR [2:0]
100
AIF1DAC input path Noise Gate Threshold
000 = -60dB
001 = -66dB
010 = -72dB
011 = -78dB
100 = -84dB
101 = -90dB
110 = -96dB
111 = -102dB
0
AIF1DAC1_NG_E
NA
0
AIF1DAC input path Noise Gate Enable
0 = Disabled
1 = Enabled
Register 0430h AIF1 DAC1 Noise Gate
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1088
(0440h) AIF1
DRC1 (1)
15:11
AIF1DRC1_SIG_
DET_RMS [4:0]
0_0000
AIF1 DRC Signal Detect RMS Threshold.
This is the RMS signal level for signal detect to be indicated when
AIF1DRC1_SIG_DET_MODE=1.
00000 = -30dB
00001 = -31.5dB
…. (1.5dB steps)
11110 = -75dB
11111 = -76.5dB
10:9
AIF1DRC1_SIG_
DET_PK [1:0]
00
AIF1 DRC Signal Detect Peak Threshold.
This is the Peak/RMS ratio, or Crest Factor, level for signal detect to be
indicated when AIF1DRC1_SIG_DET_MODE=0.
00 = 12dB
01 = 18dB
10 = 24dB
11 = 30dB
8
AIF1DRC1_NG_E
NA
0
AIF1 DRC Noise Gate Enable
0 = Disabled
1 = Enabled
7
AIF1DRC1_SIG_
DET_MODE
1
AIF1 DRC Signal Detect Mode
0 = Peak threshold mode
1 = RMS threshold mode
6
AIF1DRC1_SIG_
DET
0
AIF1 DRC Signal Detect Enable
0 = Disabled
1 = Enabled
5
AIF1DRC1_KNEE
2_OP_ENA
0
AIF1 DRC KNEE2_OP Enable
0 = Disabled
1 = Enabled
4
AIF1DRC1_QR
1
AIF1 DRC Quick-release Enable
0 = Disabled
1 = Enabled
3
AIF1DRC1_ANTI
CLIP
1
AIF1 DRC Anti-clip Enable
0 = Disabled
1 = Enabled
2
AIF1DAC1_DRC_
ENA
0
Enable DRC in AIF1DAC playback path
0 = Disabled



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