MC68020 查看數據表（PDF） - Freescale Semiconductor

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MC68020

MICROPROCESSORS USER’S MANUAL

Freescale Semiconductor 

9/29/95

FreSeEsCcTaIOlNe 1S: eOmVEicRoVInEdWuctor, Inc. UM Rev 1

TABLE OF CONTENTS (Continued)

Paragraph

Number

Title

Page

Number

7.3.1

7.3.2

7.3.3

7.3.4

7.3.5

7.3.6

7.3.7

7.3.8

7.3.9

7.3.10

7.3.11

7.4

7.4.1

7.4.2

7.4.3

7.4.4

7.4.5

7.4.6

7.4.7

7.4.8

7.4.9

7.4.10

7.4.11

7.4.12

7.4.13

7.4.14

7.4.15

7.4.16

7.4.17

7.4.18

7.4.19

7.4.20

7.5

7.5.1

7.5.1.1

7.5.1.2

7.5.1.3

7.5.1.4

7.5.1.5

7.5.2

7.5.2.1

7.5.2.2

Response CIR .....................................................................................7-24

Control CIR ..........................................................................................7-24

Save CIR .............................................................................................7-25

Restore CIR .........................................................................................7-25

Operation Word CIR ............................................................................7-25

Command CIR .....................................................................................7-25

Condition CIR ......................................................................................7-26

Operand CIR .......................................................................................7-26

Register Select CIR .............................................................................7-27

Instruction Address CIR .......................................................................7-27

Operand Address CIR .........................................................................7-27

Coprocessor Response Primitives ..........................................................7-27

ScanPC ...............................................................................................7-28

Coprocessor Response Primitive General Format .............................. 7-28

Busy Primitive ......................................................................................7-30

Null Primitive ........................................................................................7-31

Supervisor Check Primitive .................................................................7-33

Transfer Operation Word Primitive ......................................................7-33

Transfer from Instruction Stream Primitive ..........................................7-34

Evaluate and Transfer Effective Address Primitive ............................. 7-35

Evaluate Effective Address and Transfer Data Primitive ..................... 7-35

Write to Previously Evaluated Effective Address Primitive ..................7-37

Take Address and Transfer Data Primitive..........................................7-39

Transfer to/from Top of Stack Primitive ...............................................7-40

Transfer Single Main Processor Register Primitive .............................7-40

Transfer Main Processor Control Register Primitive ...........................7-41

Transfer Multiple Main Processor Registers Primitive .........................7-42

Transfer Multiple Coprocessor Registers Primitive .............................7-42

Transfer Status Register and ScanPC Primitive..................................7-44

Take Preinstruction Exception Primitive ..............................................7-45

Take Midinstruction Exception Primitive ..............................................7-47

Take Postinstruction Exception Primitive ............................................7-48

Exceptions ...............................................................................................7-49

Coprocessor-Detected Exceptions ......................................................7-49

Coprocessor-Detected Protocol Violations ......................................7-50

Coprocessor-Detected Illegal Command or Condition Words ......... 7-51

Coprocessor Data-Processing-Related Exceptions .........................7-51

Coprocessor System-Related Exceptions .......................................7-51

Format Errors ...................................................................................7-52

Main-Processor-Detected Exceptions .................................................7-52

Protocol Violations ...........................................................................7-52

F-Line Emulator Exceptions .............................................................7-54

MOTOROLA

M68020 USER’S MANUAL

xi

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