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WM8980CGEFL/V Datasheet(PDF) 100 Page - Wolfson Microelectronics plc

Part # WM8980CGEFL/V
Description  Stereo CODEC with Speaker Driver and Video Buffer
PDF  123 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8980CGEFL/V Datasheet(HTML) 100 Page - Wolfson Microelectronics plc

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WM8980
Pre-Production
w
PP, Rev 3.8, May 2012
100
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
11 (0Bh)
8
DACVU
N/A
DAC left and DAC right volume do not update until
a 1 is written to DACVU (in reg 11 or 12)
Digital to
Analogue
Converter
(DAC)
7:0
DACVOLL
11111111
Left DAC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
Digital to
Analogue
Converter
(DAC)
12 (0Ch)
8
DACVU
N/A
DAC left and DAC right volume do not update until
a 1 is written to DACVU (in reg 11 or 12)
Output Signal
Path
7:0
DACVOLR
11111111
Right DAC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
Output Signal
Path
13 (0Dh)
8
0
Reserved
7:4
JD_EN1
0000
Output enabled when selected jack detection input
is logic 1
[4]= OUT1_EN_1
[5]= OUT2_EN_1
[6]= OUT3_EN_1
[7]= OUT4_EN_1
Output
Switching
(Jack Detect)
3:0
JD_EN0
0000
Output enabled when selected jack detection input
is logic 0.
[0]= OUT1_EN_0
[1]= OUT2_EN_0
[2]= OUT3_EN_0
[3]= OUT4_EN_0
Output
Switching
(Jack Detect)
14 (0Eh)
8
HPFEN
1
High Pass Filter Enable
0=disabled
1=enabled
Analogue to
Digital
Converter
(ADC)
7
HPFAPP
0
Select audio mode or application mode
0=Audio mode (1
st order, fc = ~3.7Hz)
1=Application mode (2
nd order, fc = HPFCUT)
Analogue to
Digital
Converter
(ADC)
6:4
HPFCUT
000
Application mode cut-off frequency
See Table 15 for details.
Analogue to
Digital
Converter
(ADC)
3
ADCOSR
128
0
ADC oversample rate select
0 = 64x (lowest power)
1 = 128x (best SNR)
Power
Management
2
0
Reserved
1
ADCRPOL
0
ADC right channel polarity adjust:
0=normal
1=inverted
Analogue to
Digital
Converter
(ADC)
0
ADCLPOL
0
ADC left channel polarity adjust:
0=normal
1=inverted
Analogue to
Digital
Converter
(ADC)



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