AR1010-ISLASHML datasheet(6/70 Pages) MICROCHIP

6 / 70 page

AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER

DS41393B-page 6

Preliminary

 2009-2012 Microchip Technology Inc.

TABLE 1-1:

PIN DESCRIPTIONS

Function

Description/Comments

SSOP, SOIC

QFN

118

VDD

Supply Voltage

Communication Selection

SY-

Sense Y- (8-wire). Tie to VSS, if

not used.

4/8-wire or 5-wire Sensor

Selection

WAKE

Touch Wake-up/Touch Detection

SIQ

LED Drive/SPI Interrupt. No

connect, if not used.

SY+

Sense Y+ (8-wire). Tie to VSS, if

not used.

Slave Select (SPI). Tie to VSS, if

not used.

SDO

SPI Serial Data Output/I2C™

Interrupt. Tie to Vss, if UART.

No connection. No connect or tie

to VSS or VDD.

SCK/SCL/TX

SPI/I2C™ Serial Clock/UART

Transmit

No connection. No connect or tie

to VSS or VDD.

SDI/SDA/RX

I2C™ Serial Data/SPI Serial Data

Input/UART Receive

SX+

Sense X+ (8-wire). Tie to VSS, if

not used.

Y+

Y+ Drive

Y-

Y- Drive

5WSX-

5W Sense (5-wire)/Sense X-

(8-wire). Tie to VSS, if not used.

X+

X+ Drive

X-

X- Drive

VSS

Supply Voltage Ground

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