Pre-Production
WM8976
REGISTER
ADDRESS
BIT
LABEL
EQ3G
DEFAULT
DESCRIPTION
R20
4:0
01100
(0dB)
01
Band 3 Gain Control. See Table 36 for
details.
EQ Band 3
Control
6:5
EQ3C
Band 3 Centre Frequency:
00=650Hz
01=850Hz
10=1.1kHz
11=1.4kHz
8
EQ3BW
0
Band 3 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Table 33 EQ Band 3 Control
REGISTER
ADDRESS
BIT
LABEL
EQ4G
DEFAULT
DESCRIPTION
R21
4:0
01100
(0dB)
01
Band 4 Gain Control. See Table 36 for
details
EQ Band 4
Control
6:5
EQ4C
Band 4 Centre Frequency:
00=1.8kHz
01=2.4kHz
10=3.2kHz
11=4.1kHz
8
EQ4BW
0
Band 4 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Table 34 EQ Band 4 Control
REGISTER
ADDRESS
BIT
LABEL
EQ5G
EQ5C
DEFAULT
DESCRIPTION
R22
4:0
01100
(0dB)
01
Band 5 Gain Control. See Table 36 for
details.
EQ Band 5
Gain Control
6:5
Band 5 Cut-off Frequency:
00=5.3kHz
01=6.9kHz
10=9kHz
11=11.7kHz
Table 35 EQ Band 5 Control
GAIN REGISTER
GAIN
+12dB
+11dB
+10dB
00000
00001
00010
…. (1dB steps)
01100
0dB
-1dB
01101
11000
-12dB
11001 to 11111
Table 36 Gain Register Table
Reserved
PP Rev 3.0 April 2006
47
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