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Paragraph
Number
1.1
Features .................................................................................................. 1-2
1.2
Programming Model ................................................................................ 1-4
1.3
1.4
1.5
1.5.1
Virtual Memory .................................................................................... 1-10
1.5.2
Virtual Machine .................................................................................... 1-12
1.6
1.7
Cache Memory ........................................................................................ 1-13
2.1
Privilege Levels ....................................................................................... 2-2
2.1.1
2.1.2
User Privilege Level ............................................................................. 2-3
2.1.3
2.2
Address Space Types ............................................................................. 2-4
2.3
Exception Processing.............................................................................. 2-5
2.3.1
Exception Vectors ................................................................................ 2-5
2.3.2
3.1
Signal Index ............................................................................................ 3-2
3.2
3.3
3.4
Data Bus (D31-D0) ................................................................................. 3-2
3.5
3.6
3.7
3.8
3.9
3.10
3.11
Clock (CLK) ............................................................................................. 3-7
MOTOROLA
SECTION 1: OVERVIEW
TABLE OF CONTENTS
Title
Section 1
Introduction
Section 2
Section 3
M68020 USER'S MANUAL
UM Rev 1
Page
Number
vii