WM9711 Datasheet, PDF (53/66 Pages) Wolfson Microelectronics plc – LOW POWER AUDIO CODEC FOR PORTABLE APPLICATIONS

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