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WM8980 Datasheet(PDF) 97 Page - Wolfson Microelectronics plc

Part # WM8980
Description  Stereo CODEC With Speaker Driver and Video Buffer
PDF  112 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8980 Datasheet(HTML) 97 Page - Wolfson Microelectronics plc

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Pre-Production
WM8980
w
PP Rev 3.1 March 2007
97
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
39 (27h)
8:0
PLLK[8:0]
011101001
Fractional (K) part of PLL1 input/output frequency
ratio (treat as one 24-digit binary number).
Master Clock
and Phase
Locked Loop
(PLL)
8:2
000000
Reserved
4
QBOOST
0
Increases ‘Q’ of video filter
Video Buffer
1
VBGAIN
0
Video buffer gain
0 = 0dB (=6dB unloaded)
1 = +6dB (=12dB unloaded)
Video Buffer
40 (28h)
0
VBCLAMPEN
0
Video buffer clamp enable
0 = disabled
1 = enabled
Video Buffer
8:4
00000
Reserved
41 (29h)
3:0
DEPTH3D
0000
Stereo depth
0000: 0% (minimum 3D effect)
0001: 6.67%
....
1110: 93.3%
1111: 100% (maximum 3D effect)
3D Stereo
Enhancement
8:6
000
Reserved
5
MUTERPGA
2INV
0
Mute input to INVROUT2 mixer
Analogue
Outputs
4
INVROUT2
0
Invert ROUT2 Output
Analogue
Outputs
3:1
BEEPVOL
000
AUXR input to ROUT2 inverter gain
000 = -15dB
...
111 = +6dB
Analogue
Outputs
43 (2Bh)
0
BEEPEN
0
0 = mute AUXR beep input
1 = enable AUXR beep input
Analogue
Outputs
8
MBVSEL
0
Microphone Bias Voltage Control
0 = 0.9 * AVDD
1 = 0.6 * AVDD
Input Signal
Path
7
0
Reserved
6
R2_2INP
PGA
0
Connect R2 pin to right channel input PGA
positive terminal.
0=R2 not connected to input PGA
1=R2 connected to input PGA amplifier positive
terminal (constant input impedance).
Input Signal
Path
5
RIN2INP
PGA
1
Connect RIN pin to right channel input PGA
negative terminal.
0=RIN not connected to input PGA
1=RIN connected to right channel input PGA
amplifier negative terminal.
Input Signal
Path
4
RIP2INP
PGA
1
Connect RIP pin to right channel input PGA
amplifier positive terminal.
0 = RIP not connected to input PGA
1 = right channel input PGA amplifier positive
terminal connected to RIP (constant input
impedance)
Input Signal
Path
44 (2Ch)
3
0
Reserved



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