wm8940gefl-v Wolfson Microelectronics plc, wm8940gefl-v Datasheet - Page 70

• Manufacturer Part Number: wm8940gefl-v
• Description: Mono Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

WM8940
w
4 (04h)
REGISTER
ADDRESS
7
6
5
4
3
2
1
0
15:10
9
8
7
6:5
4:3
2
1
BIT
MONOEN
SPKNEN
SPKPEN
Reserved
MONOMIXEN
SPKMIXEN
DACEN
LOUTR
BCP
FRAMEP
WL
FMT
DLRSWAP
ALRSWAP
LABEL
0
0
0
0
0
0
0
0
0
0
00h
0
0
10
10
0
DEFAULT
MONOOUT enable
0 = disabled
1 = enabled
SPKOUTN enable
0 = disabled
1 = enabled
SPKOUTP enable
0 = disabled
1 = enabled
Mono Mixer Enable
0 = disabled
1 = enabled
Speaker Mixer Enable
0 = disabled
1 = enabled
Reserved
DAC enable
0 = DAC disabled
1 = DAC enabled
Reserved
LOUTR control
0=normal
1=Input mono channel data output on left and right
channels
BCLK polarity
0=normal
1=inverted
Frame clock polarity
0=normal
1=inverted
DSP Mode control
1 = Configures the interface so that MSB is available
on 1
0 = Configures the interface so that MSB is available
on 2
Word length
00=16 bits
01=20 bits
10=24 bits
11=32 bits
Audio interface Data Format Select:
00=Right Justified
01=Left Justified
10=I
11= DSP/PCM mode
Controls whether DAC data appears in ‘right’ or ‘left’
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’
phases of FRAME clock:
0=ADC data appear in ‘left’ phase of FRAME
1=ADC data appears in ‘right’ phase of FRAME
st
nd
2
S format
BCLK rising edge after FRAME rising edge
BCLK rising edge after FRAME rising edge
DESCRIPTION
PD, Rev 4.2, April 2008
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
REFER TO
Production Data
70