This part is a kind of semiconductor called ST1530.

Function of this product has (ST1530 / ST1536) Touch Screen Controller.

Manufacturers : Sitronix

Image and pinout :

Some of the text within the PDF file :

ST1536/1530 Touch Screen Controller Datasheet Version 1.1 2012/02/02 Note: Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice. This is not a final specification. Some parameters are subject to change. Free Datasheet http://www.net/ ST1536/1530 1 INTRODUCTION The ST1536/1530 is a mutual capacitive sensing controller for small size projected capacitive touch screen. It is a RISC microcontroller with capacitor charge, capacitor sensing, slave I2C interface, general purpose I/O and embedded non-volatile memory. Internal program and cooperating digital circuit covert finger / capacitor stylus data into button pressing or multiple coordination information for application. The maximum fingers identification ability is up to [ ... ]

ST1530 PDF Datasheet Download