This part is a kind of semiconductor called AR1000.

Function of this product has Resistive Touch Screen Controller.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER AR1000 Series Resistive Touch Screen Controller Special Features • RoHS Compliant • Power-Saving Sleep mode • Industrial Temperature Range • Built-in Drift Compensation Algorithm • 128 Bytes of User EEPROM Power Requirements • Operating Voltage: 2.5-5.0V ±5% • Standby Current: - 5V: 85 µA, typical; 125 µA (maximum) - 2.5V: 40 µA, typical; 60 µA (maximum) • Operating “No touch” Current: - 3.0 mA (typical) • Operating “Touch” Current: - 17 mA, typical, with a touch sensor having 200 layers - Actual current is dependent on the touch sensor used • AR1011/AR1021 Brown-Out Detection (BOR) set to 2.2V Touch Modes • Off, Stream, Down, Up and more. Touch Sensor Support • 4-Wire, 5-Wire and 8-Wire Analog Resist [ ... ]

AR1000 PDF Datasheet Download