9/29/95
Figure
Number
1-1
1-2
User Programming Model ................................................................................ 1-5
1-3
1-4
Status Register (SR) ........................................................................................ 1-7
1-5
Instruction Pipe ................................................................................................ 1-13
2-1
General Exception Stack Frame ...................................................................... 2-6
3-1
4-1
4-2
Cache Control Register .................................................................................... 4-3
4-3
Cache Address Register .................................................................................. 4-4
5-1
Relationship between External and Internal Signals........................................ 5-2
5-2
Input Sample Window ...................................................................................... 5-2
5-3
5-4
MC68020/EC020 Interface to Various Port Sizes ............................................ 5-6
5-5
5-6
5-7
5-8
5-9
Misaligned Long-Word Operand Write to Word Port Example ........................ 5-14
5-10
5-11
Misaligned Long-Word Operand Read from Word Port Example .................... 5-16
5-12
5-13
5-14
5-15
Misaligned Long-Word Operand Write to Long-Word Port Example ............... 5-18
5-16
Misaligned Long-Word Operand Write to Long-Word Port Timing .................. 5-19
5-17
Misaligned Long-Word Operand Read from Long-Word Port Example ........... 5-20
5-18
5-19
Long-Word Read Cycle Flowchart ................................................................... 5-26
5-20
5-21
Byte and Word Read Cycles-32-Bit Port ....................................................... 5-28
5-22
Long-Word Read-8-Bit Port ........................................................................... 5-29
5-23
Long-Word Read-16- and 32-Bit Ports .......................................................... 5-30
xiv
SECTION 1: OVERVIEW
LIST OF ILLUSTRATIONS
Title
M68020 USER'S MANUAL
UM Rev.1.0
Page
Number
MOTOROLA