This part is a kind of semiconductor called AT91SAM9261S.

Function of this product has AT91 ARM Thumb-based Microcontrollers.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • Incorporates the ARM926EJ-S™ ARM® Thumb® Processor – DSP Instruction Extensions – ARM Jazelle® Technology for Java® Acceleration – 16 Kbyte Data Cache, 16 Kbyte Instruction Cache, Write Buffer – 210 MIPS at 190 MHz – Memory Management Unit – EmbeddedICE™, Debug Communication Channel Support – Mid-level implementation Embedded Trace Macrocell™ Additional Embedded Memories – 32 Kbytes of Internal ROM, Single-cycle Access at Maximum Bus Speed – 16 Kbytes of Internal SRAM, Single-cycle Access at Bus Speed External Bus Interface (EBI) – Supports SDRAM, Static Memory, NAND Flash and CompactFlash® LCD Controller – Supports Passive or Active Displays – Up to 16-bits per Pixel in STN Color Mode – Up to 16M Colors in TFT Mode (24 [ ... ]

AT91SAM9261S PDF Datasheet Download