M68040 查看數據表（PDF） - Motorola => Freescale

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M68040

16-/32-Bit Virtual Memory Microprocessor

Motorola => Freescale 

Freescale Semiconductor, Inc.

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TABLE OF CONTENTS

Title

Page

Number

1.1

1.1.1

1.1.2

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

1.10

Section 1

Introduction

Differences ............................................................................................ 1-1

MC68040V and MC68LC040 ............................................................ 1-1

MC68EC040 and MC68EC040V ....................................................... 1-2

Features ................................................................................................ 1-3

Extensions to the M68000 Family ......................................................... 1-3

Functional Blocks .................................................................................. 1-3

Processing States .................................................................................1-5

Programming Model .............................................................................. 1-5

Data Format Summary .......................................................................... 1-9

Addressing Capabilities Summary ........................................................ 1-9

Notational Conventions ......................................................................... 1-11

Instruction Set Overview ....................................................................... 1-13

2.1

2.2

2.2.1

2.2.1.1

2.2.1.2

2.2.1.3

2.2.1.4

2.2.1.5

2.2.2

2.2.2.1

2.2.2.2

2.2.2.3

2.2.2.4

2.2.2.5

Section 2

Integer Unit

Integer Unit Pipeline ................................ .............................................. 2-1

Integer Unit Register Description .......................................................... 2-4

Integer Unit User Programming Model .............................................. 2-4

Data Registers (D7–D0) ................................................................2-4

Address Registers (A6–A0) ........................................................... 2-4

System Stack Pointer (A7) .............................................................2-5

Program Counter ........................................................................... 2-5

Condition Code Register ................................................................2-5

Integer Unit Supervisor Programming Model .................................... 2-5

Interrupt and Master Stack Pointers ..............................................2-6

Status Register .............................................................................. 2-7

Vector Base Register ..................................................................... 2-7

Alternate Function Code Registers ................................................ 2-7

Cache Control Register ................................................................. 2-8

vi

M68040 USER’S MANUAL

MOTOROLA

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