WM8976GEFL/V Wolfson Microelectronics, WM8976GEFL/V Datasheet - Page 91

• Manufacturer Part Number: WM8976GEFL/V
• Description: Audio CODECs Mono ADC Stereo DAC with Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8976GEFL/V

• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
11 (0Bh)
12 (0Ch)
13 (0Dh)
14 (0Eh)
REGISTER
ADDRESS
6
5:4
3
2
1
0
8
7:0
8
7:0
8
7:4
3:0
8
7
BIT
SOFTMUTE
DACOSR128
AMUTE
DACPOLR
DACPOLL
DACVU
DACVOLL
DACVU
DACVOLR
JD_EN1
JD_EN0
HPFEN
HPFAPP
LABEL
0
00
0
0
0
0
N/A
11111111
N/A
11111111
0
0000
0000
1
0
DEFAULT
Automute enable
Reserved
Softmute enable:
0=Disabled
1=Enabled
Reserved
DAC oversample rate select
0 = 64x (lowest power)
1 = 128x (best SNR)
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
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
High Pass Filter Enable
0=disabled
1=enabled
Select audio mode or application mode
0=Audio mode (1
1=Application mode (2
st
DESCRIPTION
order, fc = ~3.7Hz)
nd
order, fc = HPFCUT)
PD Rev 4.4 July 2009
Output Signal
Path
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)
Analogue to
Digital
Converter
(ADC)
Analogue to
Digital
Converter
(ADC)
REFER TO
WM8976
91