Production Data
WM8945
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Minimum gain the DRC can use to attenuate audio
signals when the noise gate is active.
R30 (1Eh)
DRC Control
2
12:9
DRC_NG_MIN
GAIN[3:0]
0110
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
Minimum gain the DRC can use to attenuate audio
signals
4:2
DRC_MINGAIN
[2:0]
001
000 = 0dB
001 = -12dB (default)
010 = -18dB
011 = -24dB
100 = -36dB
101 = Reserved
11X = Reserved
Maximum gain the DRC can use to boost audio signals
(dB)
1:0
DRC_MAXGAI
N[1:0]
01
00 = 12dB
01 = 18dB
10 = 24dB
11 = 36dB
Register 1Eh DRC Control 2
PD, May 2011, Rev 4.1
129
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
