SX8650 datasheet(7/56 Pages) SEMTECH

Part #	SX8650

Description	World?셲 Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller with 15kV ESD

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Manufacturer	SEMTECH [Semtech Corporation]

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ACS Revision V2.15/October 2009

SX8650

www.semtech.com

Page 6

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

World’s Lowest Power & Smallest Footprint 4-wire

Resistive Touchscreen Controller with 15kV ESD

1.5. Pin Description

Pin Number #

Name

Type

Description

DFN

WLCSP

1

A2

VDD

Power

Input power supply connect to a 0.1uF capacitor to GND

2

A3

X+

Analog

X+ channel input

3

B3

Y+

Analog

Y+ channel input

4

C3

X-

Analog

X- channel input

5

D3

Y-

Analog

Y- channel input

6

D2

GND

Ground

7

B1

NIRQ

Digital Output / Open Drain Output

Interrupt output, active low. Need external pull-up resistor

8

C1

SDA

Digital Input / Open Drain Output

I2C data input/output

9

D1

SCL

Digital Input / Open Drain Output

I2C clock, input/output

10

C2

NRST

Digital Input / Output

Reset Input, active low. Need external 50k pull-up resistor

11

B2

A0

Digital Input

I2C slave address selection input

12

A1

AUX

Digital Input/Analog Input

Analog auxiliary input or conversion synchronization

13

GND

Ground

Die attach paddle, connect to Ground

Table 1. Pin description

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