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WM9711 Datasheet(PDF) 53 Page - Wolfson Microelectronics plc

Part # WM9711
Description  LOW POWER AUDIO CODEC FOR PORTABLE APPLICATIONS
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9711 Datasheet(HTML) 53 Page - Wolfson Microelectronics plc

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Production Data
WM9711L
w
PD Rev 4.1 April 2004
53
Register 12h controls the output signal of the auxiliary DAC.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
A2H
1 (mute)
Mutes AUXDAC to headphone mixer path
14:12
A2HVOL
010 (0dB)
Controls gain of AUXDAC to headphone mixer path
11
A2S
1 (mute)
Mutes AUXDAC to speaker mixer path
10:8
A2SVOL
010 (0dB)
Controls gain of AUXDAC to speaker mixer path
7
A2P
1 (mute)
Mutes AUXDAC to phone mixer path
6:4
A2PVOL
010 (0dB)
Controls gain of AUXDAC to phone mixer path
12h
0
AXE
0 (0FF)
Enables AUXDAC
Auxiliary DAC
Register 14h controls the side tone paths.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
STM
1 (mute)
Mutes microphone to headphone mixer path
14:12
STVOL
010 (0dB)
Controls gain of microphone to headphone mixer path
11:10
ALCM
11 (mute both)
Selects ALC to headphone mixer path. 00=stereo,
01=right only, 10=left only, 11=mute both left and right
14h
9:7
ALCVOL
010 (0dB)
Controls gain of ALC to headphone mixer path
Audio Mixers,
Side Tone
Control
Register 16h controls the analogue output pin OUT3, and also contains one control bit that affects LOUT2 and ROUT2.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
MU
1 (mute)
Mutes OUT3.
10:9
OUT3SRC
00 (-HPOUTL)
Selects source of OUT3 signal. 00=-HPOUTL, 01=VREF,
10=HPOUTL+HPOUTR, 11=-MONOOUT
8
SRC
0 (spkr mix)
Selects source of LOUT2 and ROUT2 signals. 0=from
speaker mixer, 1=from headphone mixer
7
ZC
0 (disabled)
Zero-cross enable
16h
5:0
OUT3VOL
000000 (0dB)
OUT3 volume
Analogue
Audio Outputs
Register 18h controls the audio DACs (but not AUXDAC).
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
D2H
1 (mute)
Mutes DAC to headphone mixer path
14
D2S
1 (mute)
Mutes DAC to speaker mixer path
13
D2P
1 (mute)
Mutes DAC to phone mixer path
12:8
LDACVOL
01000 (0dB)
Controls left DAC input gain to all mixers
18h
4:0
RDACVOL
01000 (0dB)
Controls right DAC input gain to all mixers
Audio DACs
Register 1Ah controls the record selector and the ADC to phone mixer path.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
14
BOOST
0 (OFF)
Enables 20dB gain boost for recording
13:12
R2P
11 (mute)
Controls ADC to phone mixer path. 00=stereo, 01=left
ADC only, 10=right ADC only, 11=mute left and right
11
R2PBST
0 (OFF)
Enables 20dB gain boost for ADC to phone mixer path
10:8
RECSL
000 (mic)
Selects left ADC signal source
1Ah
2:0
RECSR
000 (mic)
Selects right ADC signal source
Audio ADC,
Record
Selector


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