This part is a kind of semiconductor called 56857.

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

Manufacturers : Freescale Semiconductor

Image and pinout :

Some of the text within the PDF file :

56857 Data Sheet Technical Data 56800E 16-bit Digital Signal Controllers DSP56857 Rev. 6 01/2007 freescale.com 56857 General Description • 120 MIPS at 120MHz • 40K x 16-bit Program SRAM • 24K x 16-bit Data SRAM • 1K x 16-bit Boot ROM • Six (6) independent channels of DMA • Two (2) Enhanced Synchronous Serial Interfaces (ESSI) • Two (2) Serial Communication Interfaces (SCI) • Serial Port Interface (SPI) • Four (4) dedicated GPIO • 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) • 100 LQFP package • Up to 47 GPIO 6 VDDIO 12 VDD 8 VSSIO 12 VSS VDDA 5 VSSA 2 JTAG/ [ ... ]

56857 PDF Datasheet Download