WM8986_07 WOLFSON [Wolfson Microelectronics plc], WM8986_07 Datasheet - Page 70

• Manufacturer Part Number: WM8986_07
• Description: Multimedia DAC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8986
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11 (0Bh)
12 (0Ch)
13 (0Dh)
14 (0Eh)
15 (0Fh)
16 (10h)
18 (12h)
REGISTER
ADDRESS
5:4
3
2
1
0
8
7:0
8
7:0
8
7:4
3:0
8:0
8:0
8:0
8:7
6:5
4:0
BIT
DACOSR128
AMUTE
DACPOLR
DACPOLL
DACVU
DACVOLL
DACVU
DACVOLR
JD_EN1
JD_EN0
EQ1C
EQ1G
LABEL
00
0
0
0
0
N/A
11111111
N/A
11111111
0
0000
0000
000000000
000000000
000000000
00
01
01100
DEFAULT
Reserved
DAC oversample rate select
0 = 64x (lowest power)
1 = 128x (best SNR)
Automute enable
0 = Amute disabled
1 = Amute enabled
Right DAC output polarity:
0 = non-inverted
1 = inverted (180 degrees phase shift)
Left DAC output polarity:
0 = non-inverted
1 = inverted (180 degrees phase shift)
DAC left and DAC right volume do not update
until a 1 is written to DACVU (in reg 11 or 12)
Left DAC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
DAC left and DAC right volume do not update
until a 1 is written to DACVU (in reg 11 or 12)
Right DAC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
Reserved
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 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
Reserved
Reserved
Reserved
Reserved
EQ Band 1 Cut-off Frequency:
00=80Hz
01=105Hz
10=135Hz
11=175Hz
EQ Band 1 Gain Control. See Table 20 for
details.
DESCRIPTION
PP, Rev 3.1, February 2007
Power
Management
Output Signal
Path
Output Signal
Path
Output Signal
Path
Digital to
Analogue
Converter
(DAC)
Digital to
Analogue
Converter
(DAC)
Output Signal
Path
Output Signal
Path
Output
Switching
(Jack Detect)
Output
Switching
(Jack Detect)
EQ3DEN
Output Signal
Path
Output Signal
Path
Pre-Production
REFER TO
70