68008 View Datasheet(PDF) - Freescale Semiconductor

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68008

8-/16-/32-Bit Microprocessors User’s Manual

Freescale Semiconductor 

Freescale Semiconductor, Inc.

Paragraph

Number

TABLE OF CONTENTS

Title

Page

Number

1.1

1.2

1.3

1.4

1.5

1.6

2.1

2.1.1

2.1.2

2.1.3

2.2

2.3

2.3.1

2.3.2

2.4

2.5

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

3.11

Section 1

Overview

MC68000..................................................................................................... 1-1

MC68008..................................................................................................... 1-2

MC68010..................................................................................................... 1-2

MC68HC000 ................................................................................................ 1-2

MC68HC001 ................................................................................................ 1-3

MC68EC000 ................................................................................................ 1-3

Section 2

Introduction

Programmer's Model ................................................................................... 2-1

User's Programmer's Model .................................................................... 2-1

Supervisor Programmer's Model ............................................................. 2-2

Status Register ........................................................................................ 2-3

Data Types and Addressing Modes ............................................................ 2-3

Data Organization In Registers ................................................................... 2-5

Data Registers ......................................................................................... 2-5

Address Registers ................................................................................... 2-6

Data Organization In Memory ..................................................................... 2-6

Instruction Set Summary ............................................................................. 2-8

Section 3

Signal Description

Address Bus ................................................................................................ 3-3

Data Bus...................................................................................................... 3-4

Asynchronous Bus Control.......................................................................... 3-4

Bus Arbitration Control ................................................................................ 3-5

Interrupt Control .......................................................................................... 3-6

System Control............................................................................................ 3-7

M6800 Peripheral Control ........................................................................... 3-8

Processor Function Codes .......................................................................... 3-8

Clock ........................................................................................................... 3-9

Power Supply .............................................................................................. 3-9

Signal Summary ......................................................................................... 3-10

MOTOROLA

M68000 USER’S MANUAL

vii

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