WM8976GEFL/V Wolfson Microelectronics, WM8976GEFL/V Datasheet - Page 98

• 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

WM8976
w
46 (2Eh)
47 (2Fh)
48 (30h)
49 (31h)
REGISTER
ADDRESS
5:0
8:0
8
7
6:4
3
2:0
8:0
8:7
6
5
4
3
2
1
BIT
INPPGA
VOLL
PGA
BOOSTL
L2_2
BOOSTVOL
AUXL2
BOOSTVOL
DACL2RMIX
DACR2LMIX
OUT4
BOOST
OUT3
BOOST
SPKBOOST
TSDEN
LABEL
010000
00001000
0
1
0
000
0
000
10000000
0
00
0
0
0
0
0
1
DEFAULT
Input PGA volume
000000 = -12dB
000001 = -11.25db
.
010000 = 0dB
.
111111 = 35.25dB
Reserved
Boost enable for input PGA:
0 = PGA output has +0dB gain through input
BOOST stage.
1 = PGA output has +20dB gain through input
BOOST stage.
Reserved
Controls the L2 pin to the 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
Reserved
Control ecommendlliary amplifer to the 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
Reserved
Reserved
Left DAC output to right output mixer
0 = not selected
1 = selected
Right DAC output to left output mixer
0 = not selected
1 = selected
0 = OUT4 output gain = -1;
1 = OUT4 output gain = +1.5
0 = OUT3 output gain = -1;
1 = OUT3 output gain = +1.5
0 = speaker gain = -1;
1 = speaker gain = +1.5;
Thermal Shutdown Enable
0 : thermal shutdown disabled
1 : thermal shutdown enabled
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DESCRIPTION
PD Rev 4.4 July 2009
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
REFER TO
Production Data
98