MC68020 查看數據表（PDF） - Freescale Semiconductor
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MC68020 Datasheet PDF : 306 Pages
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9/29/95
FrSeEeCsTcIOaNle1:SOeVmEiRcVoIEnWductor, Inc. UM Rev.1.0
TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
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
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
Coprocessor Reset ..............................................................................7-58
Coprocessor Summary ........................................................................... 7-58
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
Section 8
Instruction Execution Timing
Timing Estimation Factors ......................................................................8-1
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
Instruction Timing Tables ........................................................................8-9
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
Section 9
Applications Information
9.1
Floating-Point Units .................................................................................9-1
9.2
Byte Select Logic for the MC68020/EC020.............................................9-5
9.3
Power and Ground Considerations .........................................................9-9
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M68020 USER’S MANUAL
MOTOROLA
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