AR1100T-I datasheet(7/58 Pages) MICROCHIP

Part #	AR1100T-I

Description	AR1100 Resistive USB and RS-232 Touch Screen Controller

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Manufacturer	MICROCHIP [Microchip Technology]

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 2011 Microchip Technology Inc.

DS41606B-page 7

AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER

2.0

IMPLEMENTATION – QUICK

START

The AR1100 is designed to be a fully-functioning touch

controller on power-up – no configuration is necessary

and only minimal hardware support is needed to create

a universal controller board (refer to simplified

schematic).

The

hard-coded

defaults

for

the

operational

parameters are suitable for all but the most unique

circumstances. A jumper on the MODE pin easily

selects the sensor type (5-Wire or 4/8-Wire) and the

Communication mode (USB or UART) is automatically

detected and selected by the device. If USB is

detected, the AR1100 automatically defaults to a

HID-MOUSE, compatible with intrinsic drivers of

standard operating systems. Any desired modifications

to either the operating parameters or USB device type

can be easily saved to internal nonvolatile memory to

override the defaults.

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