wm8973l Wolfson Microelectronics plc, wm8973l Datasheet - Page 37
wm8973l
Manufacturer Part Number
wm8973l
Description
Stereo Codec Portable Audio Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8973L.pdf
(61 pages)
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Production Data
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Table 32 Headphone Switch
Figure 11 Example Headset Detection Circuit Using Normally-Open Switch
Figure 12 Example Headset Detection Circuit Using Normally-Closed Switch
R24 (18h)
Additional
Control (2)
REGISTER
ADDRESS
6
5
BIT
HPSWEN
HPSWPOL
LABEL
0
0
DEFAULT
Headphone Switch Enable
0 : Headphone switch disabled
1 : Headphone switch enabled
Headphone Switch Polarity
0 : HPDETECT high = headphone
1 : HPDETECT high = speaker
PD Rev 4.2 September 2005
DESCRIPTION
WM8973L
37
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