This part is a kind of semiconductor called ADSP-21065L.

Function of this product has DSP Microcomputer.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a SUMMARY High Performance Signal Computer for Communications, Audio, Automotive, Instrumentation and Industrial Applications Super Harvard Architecture Computer (SHARC®) Four Independent Buses for Dual Data, Instruction, and I/O Fetch on a Single Cycle 32-Bit Fixed-Point Arithmetic; 32-Bit and 40-Bit FloatingPoint Arithmetic 544 Kbits On-Chip SRAM Memory and Integrated I/O Peripheral I2S Support, for Eight Simultaneous Receive and Transmit Channels KEY FEATURES 66 MIPS, 198 MFLOPS Peak, 132 MFLOPS Sustained Performance User-Configurable 544 Kbits On-Chip SRAM Memory Two External Port, DMA Channels and Eight Serial Port, DMA Channels DSP Microcomputer ADSP-21065L SDRAM Controller for Glueless Interface to Low Cost External Memory (@ 66 MHz) 64M Words External Address Range 12 Programmabl [ ... ]

ADSP-21065L PDF Datasheet Download