WM9715L
Production Data
Register 08h controls the bass and treble response of the left and right audio DAC (but not AUXDAC).
REG
ADDR
BIT
15
LABEL
DEFAULT
DESCRIPTION
REFER TO
08h
BB
BC
0 (linear)
0 (low)
Selects linear bass control or adaptive bass boost
Selects bass cut-off frequency
Controls bass intensity
Audio DACs,
Tone Control /
Bass Boost
12
11:8
6
BASS
DAT
TC
1111 (OFF)
0 (OFF)
Enables 6dB pre-DAC attenuation
Selects treble cut-off frequency
Controls treble intensity
4
0 (high)
3:0
TRBL
1111 (OFF)
Register 0Ah controls the analogue input pin PCBEEP.
REG
ADDR
BIT
15
LABEL
B2H
DEFAULT
1 (mute)
DESCRIPTION
REFER TO
0Ah
Mutes PCBEEP to headphone mixer path
Controls gain of PCBEEP to headphone mixer path
Mutes PCBEEP to speaker mixer path
Analogue
Inputs,
PCBEEP Input
14:12
11
B2HVOL
B2S
010 (0dB)
1 (mute)
10:8
7
B2SVOL
B2P
010 (0dB)
1 (mute)
Controls gain of PCBEEP to speaker mixer path
Mutes PCBEEP to phone mixer path
6:4
B2PVOL
010 (0dB)
Controls gain of PCBEEP to phone mixer path
Register 0Ch controls the analogue input pin PHONE.
REG
ADDR
BIT
15
LABEL
P2H
DEFAULT
1 (mute)
DESCRIPTION
REFER TO
0Ch
Mutes PHONE to headphone mixer path
Analogue
Inputs,
PHONE Input
14
P2S
1 (mute)
Mutes PHONE to speaker mixer path
4:0
PHONEVOL
01000 (0dB)
Controls PHONE input gain to all mixers (but not to ADC)
Register 0Eh controls the analogue input pins MIC1 and MIC2.
REG
ADDR
BIT
14
LABEL
M12P
DEFAULT
1 (mute)
DESCRIPTION
Mutes MIC1 to phone mixer path
REFER TO
0Eh
Analogue
Inputs,
Microphone
Input
13
M22P
LMICVOL
20dB
1 (mute)
Mutes MIC2 to phone mixer path
12:8
7
01000 (0dB)
0 (OFF)
Controls volume of MIC1 (left), in stereo mode only
Enables 20dB gain boost
6:5
MS
00 (MIC1 only) Selects microphone mode. 00=MIC1 only, 01=differential,
10=MIC2 only, 11=stereo
4:0
MICVOL
01000 (0dB)
Controls mic volume (except MIC1 in stereo mode)
Register 10h controls the analogue input pins LINEINL and LINEINR.
REG
ADDR
BIT
15
LABEL
L2H
DEFAULT
1 (mute)
DESCRIPTION
REFER TO
10h
Mutes LINEIN to headphone mixer path
Analogue
Inputs, Line
Input
14
L2S
1 (mute)
Mutes LINEIN to speaker mixer path
13
L2P
1 (mute)
Mutes LINEIN to phone mixer path
12:8
4:0
LINEINLVOL
LINEINRVOL
01000 (0dB)
01000 (0dB)
Controls LINEINL input gain to all mixers (but not to ADC)
Controls LINEINR input gain to all mixers (but not to ADC)
PD Rev 4.0 December 2007
64
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
