MPC8280 datasheet(7/1386 Pages) FREESCALE

7 / 1386 page

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

vii

Contents

Paragraph

Number

Title

Page

Number

Contents

About This Book

Before Using this Manual—Important Note ................................................................ lxxxi

Audience ....................................................................................................................... lxxxi

Organization................................................................................................................. lxxxii

Suggested Reading...................................................................................................... lxxxiv

Conventions ................................................................................................................. lxxxv

Acronyms and Abbreviations ..................................................................................... lxxxvi

PowerPC Architecture Terminology Conventions...................................................... lxxxix

Part I

Overview

Chapter 1

Overview

1.1

Features ............................................................................................................................ 1-1

1.2

Architecture Overview..................................................................................................... 1-5

1.2.1

G2_LE Core .................................................................................................................1-6

1.2.2

System Interface Unit (SIU) ........................................................................................ 1-7

1.2.3

Communications Processor Module (CPM) ................................................................ 1-7

1.3

Software Compatibility Issues ......................................................................................... 1-8

1.3.1

Signals.......................................................................................................................... 1-8

1.4

Differences Between MPC860 and MPC8280 .............................................................. 1-10

1.5

Serial Protocol Table...................................................................................................... 1-10

1.6

MPC8280 Configurations .............................................................................................. 1-11

1.6.1

Pin Configurations ..................................................................................................... 1-11

1.6.2

Serial Performance..................................................................................................... 1-11

1.7

Application Examples.................................................................................................... 1-12

1.7.1

Communication Systems ........................................................................................... 1-12

1.7.1.1

Remote Access Server ........................................................................................... 1-13

1.7.1.2

Regional Office Router.......................................................................................... 1-14

1.7.1.3

LAN-to-WAN Bridge Router ................................................................................ 1-14

1.7.1.4

Cellular Base Station ............................................................................................. 1-15

1.7.1.5

Telecommunications Switch Controller ................................................................ 1-16

1.7.1.6

SONET Transmission Controller........................................................................... 1-17

1.7.2

Bus Configurations .................................................................................................... 1-17

1.7.2.1

Basic System.......................................................................................................... 1-17

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