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WM1811A Datasheet(PDF) 286 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) 286 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
286
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1344
(0540h) AIF2
DRC (1)
15:11
AIF2DRC_SIG_D
ET_RMS [4:0]
0_0000
AIF2 DRC Signal Detect RMS Threshold.
This is the RMS signal level for signal detect to be indicated when
AIF2DRC_SIG_DET_MODE=1.
00000 = -30dB
00001 = -31.5dB
…. (1.5dB steps)
11110 = -75dB
11111 = -76.5dB
10:9
AIF2DRC_SIG_D
ET_PK [1:0]
00
AIF2 DRC Signal Detect Peak Threshold.
This is the Peak/RMS ratio, or Crest Factor, level for signal detect to be
indicated when AIF2DRC_SIG_DET_MODE=0.
00 = 12dB
01 = 18dB
10 = 24dB
11 = 30dB
8
AIF2DRC_NG_E
NA
0
AIF2 DRC Noise Gate Enable
0 = Disabled
1 = Enabled
7
AIF2DRC_SIG_D
ET_MODE
1
AIF2 DRC Signal Detect Mode
0 = Peak threshold mode
1 = RMS threshold mode
6
AIF2DRC_SIG_D
ET
0
AIF2 DRC Signal Detect Enable
0 = Disabled
1 = Enabled
5
AIF2DRC_KNEE2
_OP_ENA
0
AIF2 DRC KNEE2_OP Enable
0 = Disabled
1 = Enabled
4
AIF2DRC_QR
1
AIF2 DRC Quick-release Enable
0 = Disabled
1 = Enabled
3
AIF2DRC_ANTIC
LIP
1
AIF2 DRC Anti-clip Enable
0 = Disabled
1 = Enabled
2
AIF2DAC_DRC_E
NA
0
Enable DRC in AIF2DAC playback path
0 = Disabled
1 = Enabled
1
AIF2ADCL_DRC_
ENA
0
Enable DRC in AIF2ADC (Left) record path
0 = Disabled
1 = Enabled
0
AIF2ADCR_DRC
_ENA
0
Enable DRC in AIF2ADC (Right) record path
0 = Disabled
1 = Enabled
Register 0540h AIF2 DRC (1)



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