This part is a kind of semiconductor called 18F2550.

Function of this product has PIC18F2550.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

PIC18F2455/2550/4455/4550 Data Sheet 28/40/44-Pin, High Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology www.DataSheet.co.kr © 2007 Microchip Technology Inc. DS39632D Datasheet pdf - http://www.net/ 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 operat [ ... ]

18F2550 PDF Datasheet Download