Production Data
WM9715L
Register 12h controls the output signal of the auxiliary DAC.
REG
ADDR
BIT
15
LABEL
A2H
DEFAULT
1 (mute)
DESCRIPTION
REFER TO
12h
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
Auxiliary DAC
14:12
11
A2HVOL
A2S
010 (0dB)
1 (mute)
010 (0dB)
1 (mute)
010 (0dB)
0 (0FF)
10:8
7
A2SVOL
A2P
6:4
0
A2PVOL
AXE
Register 14h controls the side tone paths.
REG
ADDR
BIT
15
LABEL
STM
DEFAULT
DESCRIPTION
REFER TO
14h
1 (mute)
010 (0dB)
Mutes microphone to headphone mixer path
Audio Mixers,
Side Tone
Control
14:12
11:10
STVOL
ALCM
Controls gain of microphone to headphone mixer path
11 (mute both) Selects ALC to headphone mixer path. 00=stereo,
01=right only, 10=left only, 11=mute both left and right
9:7
ALCVOL
010 (0dB)
Controls gain of ALC to headphone mixer path
Register 16h controls the analogue output pin OUT3, and also contains one control bit that affects LOUT2 and ROUT2.
REG
ADDR
BIT
15
LABEL
DEFAULT
1 (mute)
DESCRIPTION
REFER TO
16h
MU
Mutes OUT3.
Analogue
Audio Outputs
10:9
OUT3SRC
00 (-HPOUTR) Selects source of OUT3 signal. 00=-HPOUTR, 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
OUT3 volume
5:0
OUT3VOL
000000 (0dB)
Register 18h controls the audio DACs (but not AUXDAC).
REG
ADDR
BIT
15
LABEL
D2H
DEFAULT
1 (mute)
DESCRIPTION
REFER TO
18h
Mutes DAC to headphone mixer path
Mutes DAC to speaker mixer path
Mutes DAC to phone mixer path
Audio DACs
14
D2S
1 (mute)
13
D2P
1 (mute)
12:8
4:0
LDACVOL
RDACVOL
01000 (0dB)
01000 (0dB)
Controls left DAC input gain to all mixers
Controls right DAC input gain to all mixers
Register 1Ah controls the record selector and the ADC to phone mixer path.
REG
ADDR
BIT
14
LABEL
BOOST
DEFAULT
0 (OFF)
DESCRIPTION
REFER TO
1Ah
Enables 20dB gain boost for recording
Audio ADC,
Record
Selector
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
RECSL
RECSR
0 (OFF)
Enables 20dB gain boost for ADC to phone mixer path
Selects left ADC signal source
10:8
2:0
000 (mic)
000 (mic)
Selects right ADC signal source
PD Rev 4.0 December 2007
65
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
