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WM8976GEFL/V Datasheet(PDF) 89 Page - Wolfson Microelectronics plc

Part # WM8976GEFL/V
Description  Stereo CODEC With Speaker Driver
PDF  108 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976GEFL/V Datasheet(HTML) 89 Page - Wolfson Microelectronics plc

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Pre-Production
WM8976
w
PP Rev 3.0 April 2006
89
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
3
ADCOSR
128
0
ADC oversample rate select
0 = 64x (lowest power)
1 = 128x (best SNR)
Power
Management
2:1
00
Reserved
0
ADCLPOL
0
ADC polarity adjust:
0=normal
1=inverted
Analogue to
Digital
Converter
(ADC)
8
ADCVU
N/A
ADC volume does not update until a 1 is written to
ADCVU
Analogue to
Digital
Converter
(ADC)
15 (0Fh)
7:0
ADCVOLL
11111111
ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
Analogue to
Digital
Converter
(ADC)
16 (10h)
8:0
11111111
Reserved
8
EQ3DMODE
1
0 = Equaliser and 3D Enhancement applied to
ADC path
1 = Equaliser and 3D Enhancement applied to
DAC path
Output Signal
Path
7
0
Reserved
6:5
EQ1C
EQ Band 1 Cut-off Frequency:
00=80Hz
01=105Hz
10=135Hz
11=175Hz
Output Signal
Path
18 (12h)
4:0
EQ1G
01100
EQ Band 1 Gain Control. See Table 36 for details.
Output Signal
Path
8
EQ2BW
0
EQ Band 2 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Output Signal
Path
7
0
Reserved
6:5
EQ2C
01
EQ Band 2 Centre Frequency:
00=230Hz
01=300Hz
10=385Hz
11=500Hz
Output Signal
Path
19 (13h)
4:0
EQ2G
01100
EQ Band 2 Gain Control. See Table 36 for details.
Output Signal
Path
8
EQ3BW
0
EQ Band 3 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Output Signal
Path
7
0
Reserved
6:5
EQ3C
01
EQ Band 3 Centre Frequency:
00=650Hz
01=850Hz
10=1.1kHz
11=1.4kHz
Output Signal
Path
20 (14h)
4:0
EQ3G
01100
EQ Band 3 Gain Control. See Table 36 for details.
Output Signal
Path



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