WM8753L
Advanced Information
REGISTER
ADDRESS
BIT
LABEL
LD2LO
DEFAULT
DESCRIPTION
Left DAC to Left Mixer
0 = Disable (Mute)
1 = Enable Path
R34 (22h)
Left Mixer
Control (1)
8
7
0
LM2LO
0
LM Signal to Left Mixer
0 = Disable (Mute)
1 = Enable Path
6:4
LM2LOVOL
[2:0]
101
(-9dB)
LM Signal to Left Mixer Volume
000 = +6dB
… (3dB steps)
111 = -15dB
R35 (23h)
Left Mixer
Control (2)
8
VXD2LO
ST2LO
0
0
Voice DAC to Left Mixer
0 = Disable (Mute)
1 = Enable Path
7
Sidetone Signal to Left Mixer
0 = Disable (Mute)
1 = Enable Path
[6:4]
ST2LOVOL
[2:0]
101
(-9dB)
Sidetone Signal to Left Mixer Volume
000 = +6dB
… (3dB steps)
111 = -15dB
[2:0]
VXD2LOVOL
101
(-6dB)
Voice DAC Signal to Left Mixer Volume
000 = +9dB
… (3dB steps)
111 = -12dB
Table 32 Left Output Mixer Control
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R36 (24h)
Right Mixer
Control (1)
8
7
RD2RO
0
Right DAC to Right Mixer
0 = Disable (Mute)
1 = Enable Path
RM2RO
0
RM Signal to Right Mixer
0 = Disable (Mute)
1 = Enable Path
[6:4]
RM2ROVOL
[2:0]
101
(-9dB)
RM Signal to Right Mixer Volume
000 = +6dB
… (3dB steps)
111 = -15dB
R37 (25h)
Right Mixer
Control (2)
8
VXD2RO
ST2RO
0
0
Voice DAC to Right Mixer
0 = Disable (Mute)
1 = Enable Path
7
Sidetone Signal to Right Mixer
0 = Disable (Mute)
1 = Enable Path
[6:4]
ST2ROVOL
[2:0]
101
(-9dB)
Sidetone Signal to Right Mixer Volume
000 = +6dB
… (3dB steps)
111 = -15dB
[2:0]
VXD2ROVOL
[2:0]
101
(-6dB)
Voice DAC Signal to Right Mixer Volume
000 = +9dB
… (3dB steps)
111 = -12dB
Table 33 Right Output Mixer Control
AI Rev 3.1 June 2004
41
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
