This part is a kind of semiconductor called PIC16F72.

Function of this product has 8-Bit CMOS FLASH Microcontoller.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

PIC16F72 Data Sheet 28-Pin, 8-Bit CMOS FLASH Microcontoller with A/D Converter © 2007 Microchip Technology Inc. DS39597C Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft [ ... ]

PIC16F72 PDF Datasheet Download