DSP56857 datasheet(43/662 Pages) FREESCALE

номер детали	DSP56857

подробное описание детали	Digitial Signal Controller

PDF	662 Pages

Scroll/Zoom	100%

производитель	FREESCALE [Freescale Semiconductor, Inc]

домашняя страница	http://www.freescale.com

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43 / 662 page

5685x Family Architectural Overview

5685X Overview, Rev. 4

Freescale Semiconductor

1-11

Figure 1-5. 56858 Functional Block Diagram

JTAG/

Enhanced

OnCE

Program Controller

and

Hardware Looping Unit

Data ALU

16 x 16 + 36

→ 36-Bit MAC

Three 16-bit Input Registers

Four 36-bit Accumulators

Address

Generation Unit

Bit

Manipulation

Unit

16-Bit

56800E Core

XTAL

EXTAL

Interrupt

Controller

Quad

Timer

GPIOG

CLKO

External Address

Bus Switch

External Bus

Interface Unit

RESET

IRQA

IRQB

VDD

VSSIO

VDDA VSSA

External Data

Bus Switch

Bus Control

WR Enable

RD Enable

CS0-CS3[3:0] or

A0-20 [20:0]

MODE A-C or

D0-D15 [15:0]

Program Memory

40,960 x 16 SRAM

Boot ROM

1024 x 16 ROM

Data Memory

24,576 x 16 SRAM

PDB

XAB1

XAB2

XDB2

CDBR

SPI

GPIOF

2 SCI

GPIOE

IPBus Bridge (IPBB)

GPIOH0-H2

VDDIO

Decoding

Peripherals

System

Bus

Control

Memory

PAB

CDBW

CDBR

CDBW

VSS

GPIOA0-A3

ESSI0

GPIOC

ESSI1

GPIOD

Host

Interface

GPIOB

RSTO

DMA

6 channel

POR

Integration

Module

System

COP/

Watch-

dog

Time

Day

Clock

Generator

OSC PLL

IPBus CLK

COP/TOD CLK

DSP56857 датащи(PDF) 43 Page - Freescale Semiconductor, Inc

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