AR1100 datasheet(5/58 Pages) MICROCHIP

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 2011 Microchip Technology Inc.

DS41606B-page 5

AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER

1.0

OVERVIEW

The Microchip mTouchTM AR1100 Analog Resistive

USB and RS-232 Touch Screen Controller represents

a feature-rich, fully-integrated universal touch screen

controller solution. The AR1100 automatically selects

between USB and RS-232 communication protocols,

as well as supports 4, 5 or 8-wire analog resistive touch

screens from any of a variety of touch screen

manufacturers. The AR1100 dynamically adapts to the

various touch screen electrical characteristics such as

sensitivity, contact resistance, and capacitance to

provide optimal performance with minimal design time.

Building on the AR1000 series, the new AR1100 offers

customers an easy-to-integrate solution for low-cost,

high-performing resistive touch with the advantages of

USB plug and play, support for USB mouse or digitizer,

advanced touch response and accuracy, field flash

updatability, and free drivers for most operating sys-

tems to enable low risk designs for a wide variety of

touch sensing requirements.

The AR1100 supports large displays like industrial con-

trols, self-service kiosks, and POS terminals, as well as

smaller tablet displays, handheld consumer devices,

and medical devices.

Resistive touch provides the advantages of easy

integration, low total system cost and acceptance of

finger, glove or stylus input, and USB communication is

the industry standard for attaching peripherals to a

computer. The AR1100 is an easy-to-integrate touch

screen controller that meets all of these needs in a

single-chip solution or production ready-board product.

The device comes with free drivers for most major

operating systems, making it easy for designers to

quickly create low-risk touch interface solutions.

1.1

Applications

The AR1100 is suitable for any application that requires

fast, accurate and reliable integration of touch –

including, but not limited to:

• Mobile communication devices

• Personal Digital Assistants (PDA)

• Global Positioning Systems (GPS)

• Touch Screen Monitors

•KIOSK

• Media Players

• Portable Instruments

• Point of Sale Terminals

FIGURE 1-1:

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