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WM8976CGEFL/V датащи(PDF) 91 Page - Wolfson Microelectronics plc

номер детали WM8976CGEFL/V
подробное описание детали  Stereo CODEC with Speaker Driver
PDF  114 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976CGEFL/V датащи(HTML) 91 Page - Wolfson Microelectronics plc

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Production Data
WM8976
w
PD, Rev 4.5, November 2011
91
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
6
JD_EN
0
Jack Detection Enable
0=disabled
1=enabled
Output
Switching
(Jack Detect)
5
0
Reserved
4
JD_SEL
0
Pin selected as jack detection input
0 = GPIO1
1 = GPIO2
Output
Switching
(Jack Detect)
3:0
0
Reserved
10 (0Ah)
8:7
00
Reserved
6
SOFTMUTE
0
Softmute enable:
0=Disabled
1=Enabled
Output Signal
Path
5:4
00
Reserved
3
DACOSR128
0
DAC oversample rate select
0 = 64x (lowest power)
1 = 128x (best SNR)
Power
Management
2
AMUTE
0
Automute enable
0 = Amute disabled
1 = Amute enabled
Output Signal
Path
1
DACPOLR
0
Right DAC output polarity:
0 = non-inverted
1 = inverted (180 degrees phase shift)
Output Signal
Path
0
DACPOLL
0
Left DAC output polarity:
0 = non-inverted
1 = inverted (180 degrees phase shift)
Output Signal
Path
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



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