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WM8985GEFL/R датащи(PDF) 104 Page - Wolfson Microelectronics plc

номер детали WM8985GEFL/R
подробное описание детали  Multimedia CODEC With Class D Headphone and Line Out
PDF  118 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8985GEFL/R датащи(HTML) 104 Page - Wolfson Microelectronics plc

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WM8985
Pre-Production
w
PP, Rev 3.4, October 2006
104
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
5:0
INPPGAVOLR
010000
Right channel input PGA volume
000000 = -12dB
000001 = -11.25db
.
010000 = 0dB
.
111111 = +35.25dB
Input Signal
Path
8
PGABOOSTL
1
Boost enable for left channel input PGA:
0 = PGA output has +0dB gain through input
BOOST stage.
1 = PGA output has +20dB gain through input
BOOST stage.
Input Signal
Path
7
0
Reserved. Initialise to 0
6:4
L2_2BOOSTVOL
000
Controls the L2 pin to the left channel input
boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Input Signal
Path
3
0
Reserved. Initialise to 0
47 (2Fh)
2:0
AUXL2BOOSTVOL
000
Controls the auxilliary amplifer to the left channel
input boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Input Signal
Path
8
PGABOOSTR
1
Boost enable for right channel input PGA:
0 = PGA output has +0dB gain through input
BOOST stage.
1 = PGA output has +20dB gain through input
BOOST stage.
Input Signal
Path
7
0
Reserved. Initialise to 0
6:4
R2_2BOOSTVOL
000
Controls the R2 pin to the right channel input
boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Input Signal
Path
3
0
Reserved. Initialise to 0
48 (30h)
2:0
AUXR2BOOSTVOL
000
Controls the auxilliary amplifer to the right
channel input boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Input Signal
Path
8:7
00
Reserved. Initialise to 0
49 (31h)
6
DACL2RMIX
0
Left DAC output to right output mixer
0 = not selected
1 = selected
Analogue
Outputs



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