MC68020 Motorola, MC68020 Datasheet - Page 8

• Manufacturer Part Number: MC68020
• Description: (MC68020 / MC68EC020) MICROPROCESSORS USERS MANUAL
• Manufacturer: Motorola

9/29/95
Paragraph
7.5.2.3
7.5.2.4
7.5.2.5
7.5.2.6
7.5.2.7
7.5.2.8
7.5.3
7.6
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.2.7
8.2.8
8.2.9
8.2.10
8.2.11
8.2.12
8.2.13
8.2.14
8.2.15
8.2.16
8.2.17
8.2.18
9.1
9.2
9.3
xii
Number
Coprocessor Summary ........................................................................... 7-58
Timing Estimation Factors ...................................................................... 8-1
Instruction Timing Tables ........................................................................ 8-9
Floating-Point Units ................................................................................. 9-1
Byte Select Logic for the MC68020/EC020............................................. 9-5
Power and Ground Considerations ......................................................... 9-9
Coprocessor Reset .............................................................................. 7-58
Instruction Cache and Prefetch ........................................................... 8-1
Operand Misalignment ........................................................................ 8-2
Bus/Sequencer Concurrency............................................................... 8-2
Instruction Execution Overlap ............................................................. 8-3
Instruction Stream Timing Examples ................................................... 8-4
Fetch Effective Address ...................................................................... 8-13
Fetch Immediate Effective Address..................................................... 8-14
Calculate Effective Address ................................................................ 8-16
Calculate Immediate Effective Address............................................... 8-17
Jump Effective Address....................................................................... 8-19
MOVE Instruction ................................................................................ 8-20
Special-Purpose MOVE Instruction ..................................................... 8-29
Arithmetic/Logical Instructions............................................................. 8-30
Immediate Arithmetic/Logical Instructions ........................................... 8-31
Binary-Coded Decimal Operations ...................................................... 8-32
Single-Operand Instructions ................................................................ 8-33
Shift/Rotate Instructions ...................................................................... 8-34
Bit Manipulation Instructions ............................................................... 8-35
Bit Field Manipulation Instructions....................................................... 8-36
Conditional Branch Instructions........................................................... 8-37
Control Instructions.............................................................................. 8-38
Exception-Related Instructions ............................................................ 8-39
Save and Restore Operations ............................................................. 8-40
TABLE OF CONTENTS (Continued)
Privilege Violations........................................................................... 7-55
cpTRAPcc Instruction Traps ............................................................ 7-55
Trace Exceptions ............................................................................. 7-55
Interrupts .......................................................................................... 7-56
Format Errors ................................................................................... 7-57
Address and Bus Errors................................................................... 7-57
SECTION 1: OVERVIEW
Instruction Execution Timing
Applications Information
M68020 USER’S MANUAL
Section 8
Section 9
Title
UM Rev.1.0
MOTOROLA
Number
Page