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WM8946ECS/R Datasheet(PDF) 129 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) 129 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
129
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R30 (1Eh)
DRC Control
2
12:9
DRC_NG_MIN
GAIN[3:0]
0110
Minimum gain the DRC can use to attenuate audio
signals when the noise gate is active.
0000 = -36dB
0001 = -30dB
0010 = -24dB
0011 = -18dB
0100 = -12dB
0101 = -6dB
0110 = 0dB
0111 = 6dB
1000 = 12dB
1001 = 18dB
1010 = 24dB
1011 = 30dB
1100 = 36dB
1101 to 1111 = Reserved
4:2
DRC_MINGAIN
[2:0]
001
Minimum gain the DRC can use to attenuate audio
signals
000 = 0dB
001 = -12dB (default)
010 = -18dB
011 = -24dB
100 = -36dB
101 = Reserved
11X = Reserved
1:0
DRC_MAXGAI
N[1:0]
01
Maximum gain the DRC can use to boost audio signals
(dB)
00 = 12dB
01 = 18dB
10 = 24dB
11 = 36dB
Register 1Eh DRC Control 2



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