Rainbow Electronics AT42QT5320 User Manual

Features

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Note: This is a summary document. A
complete document is available under
NDA. For more information contact
www.atmel.com/touchscreen.

Features

Configurations:

– Can be configured as a combination of touchscreen, sliders/wheels and keys, with

Adjacent Key Suppression

(AKS

) technology between groups

QField

Touchscreen:

– Two-touch capable with independent XY tracking for one or two concurrent

touches in real time, with touch size reporting

– Up to eight-inch diagonal screen size supported

– 1024 x 1024 resolution

Discrete Keys:

– Up to 32 (subject to other configurations)

QSlide

/QWheel

:

– Configurable up to four independent sliders/wheels

Linearity:

– Screen design dependent but typically better than ±1 percent

Filtering:

– Advanced digital filtering (user configurable)

Response Times:

– Sub 15 ms possible, depending on filter settings

Technology:

– Patented charge-transfer (transverse mode)

Panel Thickness:

– Glass up to 5 mm, screen size dependent

– Plastic up to 3 mm, screen size dependent

Channel Sensitivity:

– Individually settable via simple commands over serial interface

Interface:

– I

2

C-compatible slave mode, 100 kHz or 400 kHz with 2.7V or greater Vdd

Power:

– 1.8V to 5.5V (2.7V to 5.5V in high speed mode)

Packages:

– 32-pin 5 x 5mm MLF RoHS compliant

Signal Processing:

– Self-calibration, auto drift compensation, noise filtering, Adjacent Key

Suppression technology

QTwo™ 10-bit
Touchscreen
Controller

AT42QT5320

Summary

9509AS–AT42–10/08

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