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WM8940CGEFL/V Datasheet(PDF) 72 Page - Wolfson Microelectronics plc

Part # WM8940CGEFL/V
Description  Mono CODEC with Speaker Driver
PDF  91 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8940CGEFL/V Datasheet(HTML) 72 Page - Wolfson Microelectronics plc

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WM8940
Production Data
w
PD, Rev 4.3, November 2011
72
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
7
MONOEN
0
MONOOUT enable
0 = disabled
1 = enabled
Analogue Outputs
6
SPKNEN
0
SPKOUTN enable
0 = disabled
1 = enabled
Analogue Outputs
5
SPKPEN
0
SPKOUTP enable
0 = disabled
1 = enabled
Analogue Outputs
4
Reserved
0
3
MONOMIXEN
0
Mono Mixer Enable
0 = disabled
1 = enabled
Analogue Outputs
2
SPKMIXEN
0
Speaker Mixer Enable
0 = disabled
1 = enabled
Analogue Outputs
1
0
Reserved
0
DACEN
0
DAC enable
0 = DAC disabled
1 = DAC enabled
Analogue Outputs
4 (04h)
15:10
00h
Reserved
9
LOUTR
0
LOUTR control
0=normal
1=Input mono channel data output on left and right
channels
Digital Audio
Interfaces
8
BCP
0
BCLK polarity
0=normal
1=inverted
Digital Audio
Interfaces
7
FRAMEP
0
Frame clock polarity
0=normal
1=inverted
Digital Audio
Interfaces
DSP Mode control
1 = Configures the interface so that MSB is available
on 1
st BCLK rising edge after FRAME rising edge
0 = Configures the interface so that MSB is available
on 2
nd BCLK rising edge after FRAME rising edge
6:5
WL
10
Word length
00=16 bits
01=20 bits
10=24 bits
11=32 bits
Digital Audio
Interfaces
4:3
FMT
10
Audio interface Data Format Select:
00=Right Justified
01=Left Justified
10=I
2S format
11= DSP/PCM mode
Digital Audio
Interfaces
2
DLRSWAP
0
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
Digital Audio
Interfaces



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