This part is a kind of semiconductor called 56853.

Function of this product has 16-bit Digital Signal Controllers.

Manufacturers : Freescale Semiconductor

Image and pinout :

Some of the text within the PDF file :

56853 Data Sheet Technical Data 56800E 16-bit Digital Signal Controllers DSP56853 Rev. 6 01/2007 freescale.com 56853 General Description • 120 MIPS at 120MHz • 12K x 16-bit Program SRAM • 4K x 16-bit Data SRAM • 1K x 16-bit Boot ROM • Access up to 2M words of program memory or 8M of data memory • Chip Select Logic for glue-less interface to ROM and SRAM • Six (6) independent channels of DMA • Enhanced Synchronous Serial Interfaces (ESSI) • Two (2) Serial Communication Interfaces (SCI) • Serial Port Interface (SPI) • 8-bit Parallel Host Interface • General Purpose 16-bit Quad Timer • JTAG/Enhanced On-Chip Emulation (OnCE™) for unobtrusive, real-time debugging • Computer Operating Properly (COP)/Watchdog Timer • Time-of-Day (TOD) • 1 [ ... ]

56853 PDF Datasheet Download