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WM8986GECO/V Datasheet(PDF) 70 Page - Wolfson Microelectronics plc

Part # WM8986GECO/V
Description  Multimedia DAC With Class D Headphone and Line Out
PDF  87 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8986GECO/V Datasheet(HTML) 70 Page - Wolfson Microelectronics plc

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WM8986
Pre-Production
w
PP, Rev 3.1, February 2007
70
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
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
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)
11 (0Bh)
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)
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
12 (0Ch)
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
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)
13 (0Dh)
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)
8:0
000000000
Reserved
15 (0Fh)
8:0
000000000
Reserved
16 (10h)
8:0
000000000
Reserved
8:7
00
Reserved
EQ3DEN
6:5
EQ1C
01
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 20 for
details.
Output Signal
Path



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