This part is a kind of semiconductor called PSOC.

Function of this product has 8-Bit Programmable System-on-Chip (PSoC) Microcontrollers.

Manufacturers : Cypress Semiconductor

Image and pinout :

Some of the text within the PDF file :

CY8C25122, CY8C26233, CY8C26443, CY8C26643 Device Data Sheet for Silicon Revision D 8-Bit Programmable System-on-Chip (PSoC™) Microcontrollers CYPRESS MICROSYSTEMS September 5, 2002 Document #: 38-12010 CY Rev. ** CMS Rev. 3.20 1 Cypress MicroSystems CY8C25122/CY8C26233/CY8C26443/CY8C26643 Family Data Sheet CYPRESS MICROSYSTEMS The CY8C25122/CY8C26233/CY8C26443/CY8C26643 family of Programmable System-onChip (PSoC™) microcontrollers replaces multiple MCU-based system components with one single-chip, programmable device. A PSoC microcontroller includes a fast CPU, Flash program memory, and SRAM data memory with configurable analog and digital peripheral blocks in a range of convenient pin-outs and memory sizes. The driving force behind this innovative Programmable System-on-Chip co [ ... ]

PSOC PDF Datasheet Download