SX8650 Datasheet, PDF (7/56 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
1.5. Pin Description
Pin Number #
DFN WLCSP
1
A2
2
A3
3
B3
4
C3
5
D3
6
D2
7
B1
8
C1
9
D1
10
C2
11
B2
12
A1
13
Name
VDD
X+
Y+
X-
Y-
GND
NIRQ
SDA
SCL
NRST
A0
AUX
GND
Type
Description
Power
Analog
Input power supply connect to a 0.1uF capacitor to GND
X+ channel input
Analog
Analog
Y+ channel input
X- channel input
Analog
Ground
Y- channel input
Ground
Digital Output / Open Drain Output Interrupt output, active low. Need external pull-up resistor
Digital Input / Open Drain Output
Digital Input / Open Drain Output
I2C data input/output
I2C clock, input/output
Digital Input / Output
Digital Input
Reset Input, active low. Need external 50k pull-up resistor
I2C slave address selection input
Digital Input/Analog Input
Ground
Analog auxiliary input or conversion synchronization
Die attach paddle, connect to Ground
Table 1. Pin description
ACS Revision V2.15/October 2009
©2009 Semtech Corp.
Page 6
www.semtech.com