sx8675iwltrt Semtech Corporation, sx8675iwltrt Datasheet - Page 60
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sx8675iwltrt
Manufacturer Part Number
sx8675iwltrt
Description
Haptics Enabled Multitouch 4/5-wire Resistive Touchscreen Controller With Proximity Sensing
Manufacturer
Semtech Corporation
Datasheet
1.SX8675IWLTRT.pdf
(64 pages)
- Current page: 60 of 64
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ADVANCED COMMUNICATIONS & SENSING
13 A
13.1 Typical Application Circuit
13.2 External Components Recommended Values
13.3 Multitouch Gestures
13.3.1 Pinch/Stretch
A simple thumb and forefinger “pinch” movement enables a user to enlarge objects onscreen (moving fingers
away from each other) or make them smaller (move them towards each other). This intuitive zooming function
replaces the standard point-and-click functionality of a mouse and provides far greater accuracy to the user.
Rev 1 – 25
Symbol
CMVDD Motor supply decoupling capacitor
CMOUT Motor output capacitor
CVREG Regulator decoupling capacitor
RPULL
RMOT
CVDD
CTB
RXY
PPLICATION
th
Description
Main supply decoupling capacitor
Host interface pull-ups
Proximity sensor-to-shield
capacitance
Proximity sensor serial resistor
Motor resistance
July 2011
I
NFORMATION
Table 53 : External Components Recommended Values
Figure 59 – Pinch/Stretch Multitouch Gestures
Figure 58 – Typical Application Circuit
Resistive Touchscreen Controller with Proximity Sensing
+/- 20%, ESR<1
60
+/- 50%
Note
-
-
-
-
SX8674/SX8675/SX8676
Haptics Enabled Multitouch 4/5-Wire
Min
7.5
-
-
-
-
-
-
-
Typ.
<0.7
100
<1
10
10
1
1
-
www.semtech.com
Max
1.5
1.5
-
-
-
-
-
-
Unit
k
k
uF
uF
nF
nF
uF
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