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WM8946ECS/R Datasheet(PDF) 53 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 53 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
53
OUTPUT SIGNAL PATHS ENABLE
Each analogue output pin can be independently enabled or disabled using the register bits described
in Table 30. The speaker output PGAs and mixers can also be controlled.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R3 (03h)
Power
management
2
15
OUTR_ENA
0
LINEOUTR enable
0 = Disabled
1 = Enabled
14
OUTL_ENA
0
LINEOUTL enable
0 = Disabled
1 = Enabled
13
SPKR_PGA_ENA
0
Speaker Right PGA enable
0 = Disabled
1 = Enabled
12
SPKL_PGA_ENA
0
Speaker Left PGA enable
0 = Disabled
1 = Enabled
11
SPKR_SPKVDD_
ENA
0
SPKOUTR enable
0 = Disabled
1 = Enabled
Note that SPKOUTR is also
controlled by SPKR_OP_ENA.
When powering down SPKOUTR,
the SPKR_SPKVDD_ENA bit
should be reset first.
10
SPKL_SPKVDD_
ENA
0
SPKOUTL enable
0 = Disabled
1 = Enabled
Note that SPKOUTL is also
controlled by SPKL_OP_ENA.
When powering down SPKOUTL,
the SPKL_SPKVDD_ENA bit should
be reset first
7
SPKR_OP_ENA
0
SPKOUTR enable
0 = Disabled
1 = Enabled
Note that SPKOUTR is also
controlled by
SPKR_SPKVDD_ENA. When
powering up SPKOUTR, the
SPKR_OP_ENA bit should be
enabled first.
6
SPKL_OP_ENA
0
SPKOUTL enable
0 = Disabled
1 = Enabled
Note that SPKOUTL is also
controlled by SPKL_SPKVDD_ENA.
When powering up SPKOUTL, the
SPKL_OP_ENA bit should be
enabled first
3
SPKR_MIX_ENA
0
Right speaker output mixer enable
0 = Disabled
1 = Enabled
2
SPKL_MIX_ENA
0
Left speaker output mixer enable
0 = Disabled
1 = Enabled
Table 30 Output Signal Paths Enable



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