This part is a kind of semiconductor called AT75C221-Q208.

Function of this product has Smart Internet Appliance Processor.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • ARM7TDMI® ARM® Thumb® Processor Core – In-Circuit Emulator, 40 MHz operation • 16-bit Fixed-point OakDSPCore® • • • • • • • • • • • • – Up to 60 MHz operations – 104K bytes of Integrated Fast RAM, Codec Interface Ethernet Bridge – Dual Ethernet 10/100 Mbps MAC Interface – 16-Kbyte Frame Buffer 1 K-Byte Boot ROM, Embedding a Boot Program – Enable Application Download from DataFlash® External Bus Interface – On-chip 32-bit SDRAM Controller – 4 Chip Select Static Memory Controller Multi-level Priority, Individually Maskable, Vectored Interrupt Controller Three 16-bit Timer/Counters Two UARTs with Modem Control Lines Serial Peripheral Interface (SPI) Two PIO Controllers, Managing up to 48 General-purpose I/O Pins Supported by a Wide [ ... ]

AT75C221-Q208 PDF Datasheet Download