WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 58
WM8959
Manufacturer Part Number
WM8959
Description
Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8959.pdf
(155 pages)
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WM8959
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OUTPUT MIXER CONTROL
The Output Mixer volume controls are described in Table 24 for the Left Channel and Table 25 for
the Right Channel. The gain of each of analogue input paths may be controlled independently in the
range described in Table 26. The DAC input levels may be controlled by the DAC digital volume
control - see “Digital to Analogue Converter (DAC)” for further details of this control.
Table 24 Left Output Mixer (LOMIX) Volume Control
R45 (2Dh)
R45 (2Dh)
R49 (31h)
R47 (2Fh)
R45 (2Dh)
R47 (2Fh)
R45 (2Dh)
R47 (2Fh)
R45 (2Dh)
R49 (31h)
R45 (2Dh)
R49 (31h)
R45 (2Dh)
REGISTER
ADDRESS
BIT
8:6
8:6
2:0
5:3
5:3
2:0
5
4
2
3
7
6
0
LRI3LO
LLI3LO
LRI3LOVOL
[2:0]
LLI3LOVOL
[2:0]
LL12LO
LL12LOVOL
[2:0]
LR12LO
LR12LOVOL
[2:0]
LRBLO
LRBLOVOL
[2:0]
LLBLO
LLBLOVOL
[2:0]
LDLO
LABEL
DEFAULT
0b
0b
000b
000b
0b
000b
0
000b
0b
000b
0b
000b
0b
0 = Mute
1 = Un-mute
0 = Mute
1 = Un-mute
(See Table 26 for Volume Range)
(See Table 26 for Volume Range)
0 = Mute
1 = Un-mute
(See Table 26 for Volume Range)
RIN12 PGA Output to LOMIX Mute
0 = Mute
1 = Un-mute
(See Table 26 for Volume Range)
AINRMUX Output to LOMIX Mute
0 = Mute
1 = Un-mute
(See Table 26 for Volume Range)
0 = Mute
1 = Un-mute
(See Table 26 for Volume Range)
0 = Mute
1 = Un-mute
Note: LDLO must be muted when
LDSPK=1
RIN3 to LOMIX Mute
LIN3 to LOMIX Mute
RIN3 to LOMIX Volume
LIN3 to LOMIX Volume
LIN12 PGA Output to LOMIX Mute
LIN12 PGA Output to LOMIX Volume
RIN12 PGA Output to LOMIX Volume
AINRMUX Output to LOMIX Volume
AINLMUX Output to LOMIX Mute
AINLMUX Output to LOMIX Volume
Left DAC to LOMIX Mute
DESCRIPTION
PP, May 2008, Rev 3.1
Pre-Production
58
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