wm9712l Wolfson Microelectronics plc, wm9712l Datasheet - Page 65

• Manufacturer Part Number: wm9712l
• Description: Ac?97 Audio And Touchpanel Codec
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
12h
14h
16h
18h
1Ah
ADDR
ADDR
ADDR
ADDR
ADDR
Register 12h controls the output signal of the auxiliary DAC.
Register 14h controls the side tone paths.
Register 16h controls the analogue output pin OUT3, and also contains one control bit that affects LOUT2 and ROUT2.
Register 18h controls the audio DACs (but not AUXDAC).
Register 1Ah controls the record selector and the ADC to phone mixer path.
REG
REG
REG
REG
REG
15
14:12
11
10:8
7
6:4
0
15
14:12
11:10
9:7
15
10:9
8
7
5:0
15
14
13
12:8
4:0
14
13:12
11
10:8
2:0
BIT
BIT
BIT
BIT
BIT
A2H
A2HVOL
A2S
A2SVOL
A2P
A2PVOL
AXE
STM
STVOL
ALCM
ALCVOL
MU
OUT3SRC
SRC
ZC
OUT3VOL
D2H
D2S
D2P
LDACVOL
RDACVOL
BOOST
R2P
R2PBST
RECSL
RECSR
LABEL
LABEL
LABEL
LABEL
LABEL
1 (mute)
010 (0dB)
1 (mute)
010 (0dB)
1 (mute)
010 (0dB)
0 (0FF)
1 (mute)
010 (0dB)
11 (mute both)
010 (0dB)
1 (mute)
00 (-HPOUTL)
0 (spkr mix)
0 (disabled)
000000 (0dB)
1 (mute)
1 (mute)
1 (mute)
01000 (0dB)
01000 (0dB)
0 (OFF)
11 (mute)
0 (OFF)
000 (mic)
000 (mic)
DEFAULT
DEFAULT
DEFAULT
DEFAULT
DEFAULT
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
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
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
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
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
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD Rev 4.5 August 2006
WM9712L
Auxiliary DAC
Audio Mixers,
Side Tone
Control
Analogue
Audio Outputs
Audio DACs
Audio ADC,
Record
Selector
REFER TO
REFER TO
REFER TO
REFER TO
REFER TO
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