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DSP56853 - 16-bit Digital Signal Controllers

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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) • 128 LQFP package • Up to 41 GPIO VDDIO 6 11 VDD 6 VSSIO 10 VSS VDDA 6 VSSA JTAG/ Enhanced OnCE Program Controller and Hardware Looping Unit Address Generation Unit 16-Bit 56800E Core Data ALU 16 x 16 + 36 → 36-Bit MAC Three 16-bit Input Registers Four 36-bit Accumulators Bit Manipulation Unit www.DataSheet4U.com PAB PDB CDBR CDBW Memory Program Memory 12,288 x 16 SRAM Boot ROM 1024 x 16 ROM Data Memory 4,096 x 16 SRAM XDB2 XAB1 XAB2 PAB PDB CDBR CDBW IPBus Bridge (IPBB) IPWDB Decoding Peripherals A0-20 [20:0] D0-D15 [15:0] RD Enable WR Enable CS0-CS3[3:0] or GPIOA0-A3[3:0] Bus Control External Address Bus Switch External Data Bus Switch External Bus Interface Unit ESSI0 or GPIOC IPRDB IPAB DMA Requests Core CLK POR 3 System Bus Control DMA 6 channel IPBus CLK CLKO MODEA-C or (GPIOH0-H2) System COP/TOD CLK Integration Module RSTO RESET EXTAL XTAL 2 SCI or GPIOE Quad Timer or GPIOG 4 SPI Host Interrupt or Interface Controller GPIOF or GPIOB 4 16 IRQA IRQB COP/ Watchdog Time of Day Clock Generator OSC PLL 4 6 56853 Block Diagram 56853 Technical Data, Rev.

6 Freescale Semiconductor 3 Part 1 Overview 1.1 56853

Overview

56853 Data Sheet Technical Data www.DataSheet4U.com 56800E 16-bit Digital Signal Controllers DSP56853 Rev.

6 01/2007 freescale.com www.DataSheet4U.

Key Features

  • 1.1.1.
  • Core Efficient 16-bit engine with dual Harvard architecture 120 Million Instructions Per Second (MIPS) at 120MHz core frequency Single-cycle 16 × 16-bit parallel Multiplier-Accumulator (MAC) Four (4) 36-bit accumulators including extension bits 16-bit bidirectional shifter Parallel instruction set with unique DSP addressing modes H.

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