This part is a kind of semiconductor called PIC18F458.

Function of this product has Enhanced Flash Microcontrollers.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

PIC18FXX8 Data Sheet 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module © 2006 Microchip Technology Inc. DS41159E 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 [ ... ]

PIC18F458 PDF Datasheet Download