MC68020FC16 データシートの表示（PDF） - Motorola => Freescale

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MC68020FC16

MICROPROCESSORS USER’S MANUAL

Motorola => Freescale 

9/29/95

SECTION 1: OVERVIEW

UM Rev.1.0

Paragraph

Number

TABLE OF CONTENTS (Continued)

Title

Page

Number

7.1

7.1.1

7.1.2

7.1.3

7.1.4

7.1.4.1

7.1.4.2

7.1.4.3

7.2

7.2.1

7.2.1.1

7.2.1.2

7.2.2

7.2.2.1

7.2.2.1.1

7.2.2.1.2

7.2.2.2

7.2.2.2.1

7.2.2.2.2

7.2.2.3

7.2.2.3.1

7.2.2.3.2

7.2.2.4

7.2.2.4.1

7.2.2.4.2

7.2.3

7.2.3.1

7.2.3.2

7.2.3.2.1

7.2.3.2.2

7.2.3.2.3

7.2.3.2.4

7.2.3.3

7.2.3.3.1

7.2.3.3.2

7.2.3.4

7.2.3.4.1

7.2.3.4.2

7.3

Section 7

Coprocessor Interface Description

Introduction .............................................................................................7-1

Interface Features ...............................................................................7-2

Concurrent Operation Support ............................................................7-2

Coprocessor Instruction Format .......................................................... 7-3

Coprocessor System Interface ............................................................7-4

Coprocessor Classification ..............................................................7-4

Processor-Coprocessor Interface .................................................... 7-5

Coprocessor Interface Register Selection .......................................7-6

Coprocessor Instruction Types ...............................................................7-7

Coprocessor General Instructions .......................................................7-8

Format .............................................................................................7-8

Protocol ................................ ............................................................ 7-9

Coprocessor Conditional Instructions.................................................. 7-10

Branch on Coprocessor Condition Instruction .................................7-12

Format ..........................................................................................7-12

Protocol ........................................................................................7-12

Set on Coprocessor Condition Instruction .......................................7-13

Format ..........................................................................................7-13

Protocol ........................................................................................7-14

Test Coprocessor Condition, Decrement, and Branch Instruction ... 7-14

Format ..........................................................................................7-14

Protocol ........................................................................................7-15

Trap on Coprocessor Condition Instruction ..................................... 7-15

Format ..........................................................................................7-15

Protocol ........................................................................................7-16

Coprocessor Context Save and Restore Instructions ......................... 7-16

Coprocessor Internal State Frames .................................................7-17

Coprocessor Format Words.............................................................7-18

Empty/Reset Format Word ...........................................................7-18

Not-Ready Format Word ..............................................................7-19

Invalid Format Word .....................................................................7-19

Valid Format Word .......................................................................7-20

Coprocessor Context Save Instruction ............................................ 7-20

Format ..........................................................................................7-20

Protocol ........................................................................................7-21

Coprocessor Context Restore Instruction ........................................7-22

Format ..........................................................................................7-22

Protocol ........................................................................................7-23

Coprocessor Interface Register Set ........................................................7-24

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M68020 USER’S MANUAL

MOTOROLA

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