This part is a kind of semiconductor called 16F72.
Function of this product has PIC16F72.
Manufacturers : Microchip Technology
Image and pinout :
Some of the text within the PDF file :
M PIC16F72 Data Sheet 28-Pin, 8-Bit CMOS FLASH Microcontroller with A/D Converter 2002 Microchip Technology Inc. DS39597B 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 contained in the data sheet. The person doing so may be engaged i [ ... ]