This part is a kind of semiconductor called 18F452.

Function of this product has PIC18F452.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

M PIC18FXX2 Data Sheet High Performance, Enhanced FLASH www.DataSheet.co.kr Microcontrollers with 10-Bit A/D  2002 Microchip Technology Inc. DS39564B Datasheet pdf - http://www.net/ Note the following details of the code protection feature on PICmicro® MCUs. • • • The PICmicro family meets the specifications contained in the Microchip Data Sheet. Microchip believes that its family of PICmicro microcontrollers is one of the most secure products 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 PICmicro microcontroller in a manner outside the operating specifications contai [ ... ]

18F452 PDF Datasheet Download