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WM8960CGEFL/V Datasheet(PDF) 48 Page - Cirrus Logic

Part # WM8960CGEFL/V
Description  Speaker and Headphone Drivers for Portable Audio Applications
PDF  94 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8960CGEFL/V Datasheet(HTML) 48 Page - Cirrus Logic

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WM8960
48
Rev 4.4
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R24 (18h)
Additional
Control (2)
6
HPSWEN
0
Headphone Switch Enable
0 = Headphone switch disabled
1 = Headphone switch enabled
5
HPSWPOL
0
Headphone Switch Polarity
0 = HPDETECT high = headphone
1 = HPDETECT high = speaker
R27 (1Bh)
Additional
Control (3)
3
OUT3CAP
0
Capless Mode Headphone Switch
Enable
0 = OUT3 unaffected by jack detect
events
1 = OUT3 enabled and disabled together
with HP_L and HP_R in response to jack
detect events
R48 (30h)
Additional
Control (4)
3:2
HPSEL[1:0]
00
Headphone Switch Input Select
0X = GPIO1 used for jack detect input
(Requires ADCLRC pin to be configured
as a GPIO)
10 = JD2 used for jack detect input
11 = JD3 used for jack detect input
R23 (17h)
Additional
Control (1)
0
TOEN
0
Slow Clock Enable (Must be enabled for
jack detect de-bounce)
0 = Slow Clock Disabled
1 = Slow Clock Enabled
1
TOCLKSEL
0
Slow Clock Selection (Used for volume
update timeouts and for jack detect
debounce)
0 = SYSCLK / 221 (Slower Response)
1 = SYSCLK / 219 (Faster Response)
Table 30 Headphone Jack Detect
L
R
switch opens
with insertion
-
-
LOUT1
ROUT1
LINPUT3, RINPUT3
or GPIO
Headphone/
speaker
switching
33k
AVDD
HPSWEN = 1
HPSWPOL = 0
L/ROUT1 = L/ROUT2 = 1
GPIO
Figure 20 Example Headset Detection Circuit Using Normally-Open Switch
L
R
switch closes
with insertion
-
-
LOUT1
ROUT1
LINPUT3,
RINPUT3 or GPIO
Headphone/
speaker
switching
33k
AVDD
HPSWEN = 1
HPSWPOL = 1
L/ROUT1 = L/ROUT2 = 1
GPIO
Figure 21 Example Headset Detection Circuit Using Normally-Closed Switch



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