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WM8750LEFL/R Datasheet(PDF) 34 Page - Wolfson Microelectronics plc

Part # WM8750LEFL/R
Description  STEREO CODEC FOR PORTABLE AUDIO APPLICATIONS
PDF  56 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8750LEFL/R Datasheet(HTML) 34 Page - Wolfson Microelectronics plc

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WM8750L
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PP Rev 1.77 May 2003
34
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
6
HPSWEN
0
Headphone Switch Enable
0 : Headphone switch disabled
1 : Headphone switch enabled
R24 (18h)
Additional
Control (2)
5
HPSWPOL
0
Headphone Switch Polarity
0 : HPDETECT high = headphone
1 : HPDETECT high = speaker
Table 30 Headphone Switch
LR
switch closes
on insertion
-
-
LOUT1
ROUT1
HPDETECT
headphone /
speaker
switching
47k
Ω/
100k
Ω
AVDD
HPSWEN = 1
HPSWPOL = 1
L/ROUT1 = L/ROUT2 = 1
Figure TBD Example Headset Detection circuit using normally-open switch
LR
switch opens
on insertion
-
-
LOUT1
ROUT1
HPDETECT
headphone /
speaker
switching
47k
Ω/
100k
Ω
AVDD
HPSWEN = 1
HPSWPOL = 0
L/ROUT1 = L/ROUT2 = 1
Figure TBD Example Headset Detection circuit using normally-closed switch



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