WM8976 Wolfson Microelectronics Ltd., WM8976 Datasheet - Page 90

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WM8976

Manufacturer Part Number
WM8976
Description
The WM8976 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet

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WM8976
w
21 (15h)
22 (16h)
24 (18h)
25 (19h)
REGISTER
ADDRESS
8
7
6:5
4:0
8:7
6:5
4:0
8
7:4
3:0
8:7
BIT
EQ4BW
EQ4C
EQ4G
EQ5C
EQ5G
LIMEN
LIMDCY
LIMATK
LABEL
00
0011
0
0
01
01100
01
01100
0
0010
00
DEFAULT
EQ Band 4 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved
EQ Band 4 Centre Frequency:
00=1.8kHz
01=2.4kHz
10=3.2kHz
11=4.1kHz
EQ Band 4 Gain Control. See Table 36 for details.
Reserved
EQ Band 5 Cut-off Frequency:
00=5.3kHz
01=6.9kHz
10=9kHz
11=11.7kHz
EQ Band 5 Gain Control. See Table 36 for details.
Enable the DAC digital limiter:
0=disabled
1=enabled
DAC Limiter Decay time (per 6dB gain change) for
44.1kHz sampling. Note that these will scale with
sample rate:
0000=750us
0001=1.5ms
0010=3ms
0011=6ms
0100=12ms
0101=24ms
0110=48ms
0111=96ms
1000=192ms
1001=384ms
1010=768ms
44.1kHz sampling. Note that these will scale with
sample rate.
0000=94us
0001=188s
0010=375us
0011=750us
0100=1.5ms
0101=3ms
0110=6ms
0111=12ms
1000=24ms
1001=48ms
1010=96ms
1011 to 1111=192ms
Reserved
DAC Limiter Attack time (per 6dB gain change) for
DESCRIPTION
PP Rev 3.0 April 2006
Output Signal
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Output Signal
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Output Signal
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Output Signal
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Output Signal
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Output Signal
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Output Signal
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REFER TO
Pre-Production
90

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