Cirrus Logic WM8940 Manual page 70

REGISTER BIT LABEL
ADDRESS
7 MONOEN
6 SPKNEN
5 SPKPEN
4 Reserved
3 MONOMIXEN
2 SPKMIXEN
1
0 DACEN
4 (04h) 15:10
9 LOUTR
8 BCP
7 FRAMEP
6:5 WL
4:3 FMT
2 DLRSWAP
1 ALRSWAP
70
DEFAULT
0 MONOOUT enable
0 = disabled
1 = enabled
0 SPKOUTN enable
0 = disabled
1 = enabled
0 SPKOUTP enable
0 = disabled
1 = enabled
0
0 Mono Mixer Enable
0 = disabled
1 = enabled
0 Speaker Mixer Enable
0 = disabled
1 = enabled
0 Reserved
0 DAC enable
0 = DAC disabled
1 = DAC enabled
00h Reserved
0 LOUTR control
0=normal
1=Input mono channel data output on left and right
channels
0 BCLK polarity
0=normal
1=inverted
0 Frame clock polarity
0=normal
1=inverted
DSP Mode control
1 = Configures the interface so that MSB is available
st
on 1 BCLK rising edge after FRAME rising edge
0 = Configures the interface so that MSB is available
nd
on 2 BCLK rising edge after FRAME rising edge
10 Word length
00=16 bits
01=20 bits
10=24 bits
11=32 bits
10 Audio interface Data Format Select:
00=Right Justified
01=Left Justified
2
10=I S format
11= DSP/PCM mode
Controls whether DAC data appears in 'right' or 'left'
0
phases of FRAME clock:
0=DAC data appear in 'left' phase of FRAME
1=DAC data appears in 'right' phase of FRAME
Controls whether ADC data appears in 'right' or 'left'
0
phases of FRAME clock:
0=ADC data appear in 'left' phase of FRAME
1=ADC data appears in 'right' phase of FRAME
DESCRIPTION
WM8940
REFER TO
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Rev 4.4