MOTOROLA
M68000 USER’S MANUAL
vii
TABLE OF CONTENTS
Paragraph
Number
Page
Number
Title
Section 1
Overview
1.1
1.2
1.3
1.4
1.5
1.6
MC68000.....................................................................................................
MC68008.....................................................................................................
MC68010.....................................................................................................
MC68HC000................................................................................................
MC68HC001................................................................................................
MC68EC000................................................................................................
1-1
1-2
1-2
1-2
1-3
1-3
Section 2
Introduction
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
Programmer's Model ...................................................................................
User's Programmer's Model ....................................................................
Supervisor Programmer's Model .............................................................
Status Register........................................................................................
Data Types and Addressing Modes ............................................................
Data Organization In Registers...................................................................
Data Registers.........................................................................................
Address Registers ...................................................................................
Data Organization In Memory .....................................................................
Instruction Set Summary.............................................................................
2-1
2-1
2-2
2-3
2-3
2-5
2-5
2-6
2-6
2-8
Section 3
Signal Description
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
Address Bus................................................................................................
Data Bus......................................................................................................
Asynchronous Bus Control..........................................................................
Bus Arbitration Control ................................................................................
Interrupt Control ..........................................................................................
System Control............................................................................................
M6800 Peripheral Control ...........................................................................
Processor Function Codes..........................................................................
Clock ...........................................................................................................
Power Supply..............................................................................................
Signal Summary.........................................................................................
3-3
3-4
3-4
3-5
3-6
3-7
3-8
3-8
3-9
3-9
3-10