SX8650 Datasheet, PDF (8/56 Pages) Semtech Corporation – World’s Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller with 15kV ESD

SX8650
World’s Lowest Power & Smallest Footprint 4-wire
Resistive Touchscreen Controller with 15kV ESD
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
1.6. Simplified Block Diagram
The SX8650 simplified block diagram is shown in Figure 5.
VDD
SX8650 _AUX
Control
X+
A0
Y+
X-
Touch
Screen
Y- ^Interface
GND
Vref
NRST
POR OSC
I2C
SCL
ref+
in ADC out
ref-
Digital
Filter
SDA
NIRQ
Figure 5. Simplified block diagram of the SX8650
ACS Revision V2.15/October 2009
©2009 Semtech Corp.
Page 7
www.semtech.com