This part is a kind of semiconductor called AT75C.

Function of this product has Smart Internet Appliance Processor.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • • • • • • • • • • • Fully Autonomous DSP System 16-bit Fixed-point OakDSPCore® 24K x 16 of Uploadable Program RAM 16K x 16 of Data RAM 2K x 16 of X-RAM 2K x 16 of Y-RAM X-RAM and Y-RAM Accessible within the Same Cycle JTAG Interface Available on AT75C220 and AT75C320 On-chip Emulation Module Flexible Codec Interface Communication with External Processor through Dual-port Mailbox Description The AT75C DSP subsystem is an autonomous DSP-based computation block that coexists on-chip with other processors and functions. It is built around a 16-bit, fixedpoint, industry-standard OakDSPCore. Additionally, the DSP subsystem embeds all elements necessary to run complex DSP algorithms independently without any external resources. The self-cont [ ... ]

AT75C PDF Datasheet Download