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WM9093ECS/R データシート(PDF) 22 Page - Wolfson Microelectronics plc

部品番号 WM9093ECS/R
部品情報  Ultra Low Power Audio Subsystem
PDF  84 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9093ECS/R データシート(HTML) 22 Page - Wolfson Microelectronics plc

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WM9093
Production Data
w
PD, March 2012, Rev 4.2
22
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1 (01h)
Power
Management
(1)
12
SPKOUTL_ENA
0
Speaker Output Enable
0 = Disabled
1 = Enabled
9
HPOUT1L_ENA
0
Headphone Output (HPL) input
stage enable
0 = Disabled
1 = Enabled
8
HPOUT1R_ENA
0
Headphone Output (HPR) input
stage enable
0 = Disabled
1 = Enabled
R3 (03h)
Power
Management
(3)
8
SPKLVOL_ENA
0
Speaker PGA Enable
0 = Disabled
1 = Enabled
5
MIXOUTL_ENA
0
MIXOUTL Headphone Mixer Enable
0 = Disabled
1 = Enabled
4
MIXOUTR_ENA
0
MIXOUTR Headphone Mixer
Enable
0 = Disabled
1 = Enabled
3
SPKMIX_ENA
0
SPKMIX Speaker Mixer Enable
0 = Disabled
1 = Enabled
Table 4 Output Signal Paths Enable
SPEAKER MIXER CONTROL
The signal path configuration registers for the Speaker Mixer are described in Table 5. Each of the
input PGAs IN1A, IN1B, IN2A and IN2B is independently selectable as an input to the Speaker Mixer.
Care should be taken when enabling more than one path to a Speaker Mixer in order to avoid
clipping. The gain of each input path is adjustable using a selectable volume control in each path to
facilitate this.
The Speaker Mixer output can be muted or enabled using the SPKMIX_MUTE register bit. The
Speaker Mixer volume is also controlled by the Speaker Output PGA, as defined in Table 6.



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