WM8976_11 Datasheet, PDF (88/114 Pages) Wolfson Microelectronics plc – Stereo CODEC with Speaker Driver

WM8976
REGISTER BIT
ADDRESS
LABEL
1
0
ADCENL
3 (03h)
8
OUT4EN
7
OUT3EN
6
LOUT2EN
5
ROUT2EN
3
RMIXEN
2
LMIXEN
1
DACENR
0
DACENL
4 (04h)
8
BCP
7
LRP
6:5 WL
4:3 FMT
DEFAULT
DESCRIPTION
Production Data
REFER TO
0
Reserved
0
Enable ADC:
0 = ADC disabled
1 = ADC enabled
Analogue to
Digital
Converter
(ADC)
0
OUT4 enable
0 = disabled
Power
Management
1 = enabled
0
OUT3 enable
0 = disabled
Power
Management
1 = enabled
0
LOUT2 enable
0 = disabled
Power
Management
1 = enabled
0
ROUT2 enable
0 = disabled
Power
Management
1 = enabled
0
Right output channel mixer enable:
0 = disabled
Analogue
Outputs
1 = enabled
0
Left output channel mixer enable:
0 = disabled
Analogue
Outputs
1 = enabled
0
Right channel DAC enable
0 = DAC disabled
Analogue
Outputs
1 = DAC enabled
0
Left channel DAC enable
0 = DAC disabled
Analogue
Outputs
1 = DAC enabled
0
BCLK polarity
0=normal
Digital Audio
Interfaces
1=inverted
0
right, left and i2s modes – LRCLK polarity
Digital Audio
1 = invert LRCLK polarity
Interfaces
0 = normal LRCLK polarity
DSP Mode – mode A/B select
1 = MSB is available on 1^st BCLK rising edge after
LRC rising edge (mode B)
0 = MSB is available on 2^nd BCLK rising edge after
LRC rising edge (mode A)
10
Word length
00=16 bits
Digital Audio
Interfaces
01=20 bits
10=24 bits
11=32 bits
10
Audio interface Data Format Select:
00=Right Justified
Digital Audio
Interfaces
01=Left Justified
10=I²S format
11= DSP/PCM mode
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PD, Rev 4.5, November 2011
88