WM8768 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'WM8768' PDF : 38 Pages View PDF
WM8768
Production Data
SOFTWARE MUTE MODES
The WM8768 can be muted in a number of different ways when in software mode (MODE pin pulled
low). Refer to Figure 20 which shows a representation of the interaction between functions described
below.
DMUTE4,
DMUTE(2:0)
MUTEALL
MUTE
(register)
decode
MPD
DZFM
selector
DIN1
DIN2
DIN3
DIN4
1024
Zeros
Detect
MUTE
(pin)
zflag1
zflag2
zflag3
zflag4
10kOhm
Figure 20 Internal Mute Logic
Channel1
Softmute
Channel2
Softmute
Channel3
Softmute
Channel4
Softmute
Channel1
Analogue
Mute
Channel2
Analogue
Mute
Channel3
Analogue
Mute
Channel3
Analogue
IZD
Mute
w
PD Rev 4.3 July 2010
24
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