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MC68HC000EI8: Description8-/16-/32-Bit Microprocessors Userâs Manual; File Size2MB，189 Pages; ManufacturerMotorola ( NXP ); Websitehttps://www.nxp.com

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8-/16-/32-Bit Microprocessors Userâs Manual

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Freescale Semiconductor, Inc.

µ MOTOROLA

M68000

Freescale Semiconductor, Inc...

8-/16-/32-Bit

Microprocessors User’s Manual

Ninth Edition

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding

the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and

specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different

applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not

convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems

intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola

product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or

unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims,

costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such

unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and

are

registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.

©MOTOROLA INC., 1993

For More Information On This Product,

Go to: www.freescale.com

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TABLE OF CONTENTS

Paragraph

Number

Title

Section 1

Overview

Page

Number

Freescale Semiconductor, Inc...

1.1

1.2

1.3

1.4

1.5

1.6

MC68000..................................................................................................... 1-1

MC68008..................................................................................................... 1-2

MC68010..................................................................................................... 1-2

MC68HC000................................................................................................ 1-2

MC68HC001................................................................................................ 1-3

MC68EC000 ................................................................................................ 1-3

Section 2

Introduction

2.1

2.1.1

2.1.2

2.1.3

2.2

2.3

2.3.1

2.3.2

2.4

2.5

Programmer's Model ................................................................................... 2-1

User's Programmer's Model .................................................................... 2-1

Supervisor Programmer's Model ............................................................. 2-2

Status Register ........................................................................................ 2-3

Data Types and Addressing Modes ............................................................ 2-3

Data Organization In Registers ................................................................... 2-5

Data Registers ......................................................................................... 2-5

Address Registers ................................................................................... 2-6

Data Organization In Memory ..................................................................... 2-6

Instruction Set Summary ............................................................................. 2-8

Section 3

Signal Description

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

3.11

Address Bus ................................................................................................ 3-3

Data Bus...................................................................................................... 3-4

Asynchronous Bus Control.......................................................................... 3-4

Bus Arbitration Control ................................................................................ 3-5

Interrupt Control .......................................................................................... 3-6

System Control............................................................................................ 3-7

M6800 Peripheral Control ........................................................................... 3-8

Processor Function Codes .......................................................................... 3-8

Clock ........................................................................................................... 3-9

Power Supply .............................................................................................. 3-9

Signal Summary ......................................................................................... 3-10

MOTOROLA

M68000 USER’S MANUAL

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vii

Freescale Semiconductor, Inc.

TABLE OF CONTENTS (Continued)

Paragraph

Number

Title

Section 4

8-Bit Bus Operations

4.1

4.1.1

4.1.2

4.1.3

4.2

Data Transfer Operations............................................................................. 4-1

Read Operations ...................................................................................... 4-1

Write Cycle ............................................................................................... 4-3

Read-Modify-Write Cycle.......................................................................... 4-5

Other Bus Operations............................................................................... 4-8

Section 5

16-Bit Bus Operations

5.1

5.1.1

5.1.2

5.1.3

5.1.4

5.2

5.2.1

5.2.2

5.2.3

5.3

5.4

5.4.1

5.4.2

5.4.3

5.4.4

5.5

5.6

5.7

5.8

Data Transfer Operations............................................................................ 5-1

Read Operations ..................................................................................... 5-1

Write Cycle .............................................................................................. 5-4

Read-Modify-Write Cycle......................................................................... 5-7

CPU Space Cycle.................................................................................... 5-9

Bus Arbitration .......................................................................................... 5-11

Requesting The Bus .............................................................................. 5-14

Receiving The Bus Grant ...................................................................... 5-15

Acknowledgment of Mastership (3-Wire Arbitration Only)..................... 5-15

Bus Arbitration Control .............................................................................. 5-15

Bus Error and Halt Operation .................................................................... 5-23

Bus Error Operation .............................................................................. 5-24

Retrying The Bus Cycle......................................................................... 5-26

Halt Operation ....................................................................................... 5-27

Double Bus Fault ................................................................................... 5-28

Reset Operation ........................................................................................ 5-29

The Relationship of

DTACK, BERR,

and

HALT

......................................... 5-30

Asynchronous Operation .......................................................................... 5-32

Synchronous Operation ............................................................................ 5-35

Section 6

Exception Processing

6.1

6.1.1

6.1.2

6.1.3

6.1.4

6.2

6.2.1

6.2.2

6.2.3

Privilege Modes............................................................................................ 6-1

Supervisor Mode ...................................................................................... 6-2

User Mode ................................................................................................ 6-2

Privilege Mode Changes .......................................................................... 6-2

Reference Classification........................................................................... 6-3

Exception Processing................................................................................... 6-4

Exception Vectors .................................................................................... 6-4

Kinds Of Exceptions ................................................................................. 6-5

Multiple Exceptions................................................................................... 6-8

Page

Number

Freescale Semiconductor, Inc...

viii

M68000 USER’S MANUAL

For More Information On This Product,

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Freescale Semiconductor, Inc.

TABLE OF CONTENTS (Continued)

Paragraph

Number

Title

Section 6

Exception Processing

6.2.4

6.2.5

6.3

6.3.1

6.3.2

6.3.3

6.3.4

6.3.5

6.3.6

6.3.7

6.3.8

6.3.9

6.3.9.1

6.3.9.2

6.3.10

6.4

Exception Stack Frames.......................................................................... 6-9

Exception Processing Sequence ............................................................ 6-11

Processing of Specific Exceptions ............................................................. 6-11

Reset ...................................................................................................... 6-11

Interrupts ................................................................................................ 6-12

Uninitialized Interrupt .............................................................................. 6-13

Spurious Interrupt ................................................................................... 6-13

Instruction Traps ..................................................................................... 6-13

Illegal and Unimplemented Instructions .................................................. 6-14

Privilege Violations ................................................................................. 6-15

Tracing .................................................................................................... 6-15

Bus Errors ............................................................................................... 6-16

Bus Error ............................................................................................. 6-16

Bus Error (MC68010) .......................................................................... 6-17

Address Error ......................................................................................... 6-19

Return From Exception (MC68010) ........................................................... 6-20

Section 7

8-Bit Instruction Timing

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

7.10

7.11

7.12

Operand Effective Address Calculation Times............................................ 7-1

Move Instruction Execution Times .............................................................. 7-2

Standard Instruction Execution Times......................................................... 7-3

Immediate Instruction Execution Times ...................................................... 7-4

Single Operand Instruction Execution Times .............................................. 7-5

Shift/Rotate Instruction Execution Times .................................................... 7-6

Bit Manipulation Instruction Execution Times ............................................. 7-7

Conditional Instruction Execution Times ..................................................... 7-7

JMP, JSR, LEA, PEA, and MOVEM Instruction Execution Times............... 7-8

Multiprecision Instruction Execution Times ................................................. 7-8

Miscellaneous Instruction Execution Times ................................................ 7-9

Exception Processing Instruction Execution Times ................................... 7-10

Page

Number

Freescale Semiconductor, Inc...

MOTOROLA

M68000 USER’S MANUAL

For More Information On This Product,

Go to: www.freescale.com

Freescale Semiconductor, Inc.

TABLE OF CONTENTS (Continued)

Paragraph

Number

Title

Section 8

16-Bit Instruction Timing

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

8.10

8.11

8.12

Operand Effective Address Calculation Times ........................................... 8-1

Move Instruction Execution Times .............................................................. 8-2

Standard Instruction Execution Times ........................................................ 8-3

Immediate Instruction Execution Times ...................................................... 8-4

Single Operand Instruction Execution Times .............................................. 8-5

Shift/Rotate Instruction Execution Times .................................................... 8-6

Bit Manipulation Instruction Execution Times ............................................. 8-7

Conditional Instruction Execution Times ..................................................... 8-7

JMP, JSR, LEA, PEA, and MOVEM Instruction Execution Times .............. 8-8

Multiprecision Instruction Execution Times ................................................. 8-8

Miscellaneous Instruction Execution Times ................................................ 8-9

Exception Processing Instruction Execution Times .................................. 8-10

Section 9

MC68010 Instruction Timing

9.1

9.2

9.3

9.4

9.5

9.6

9.7

9.8

9.9

9.10

9.11

9.12

Operand Effective Address Calculation Times ........................................... 9-2

Move Instruction Execution Times .............................................................. 9-2

Standard Instruction Execution Times ........................................................ 9-4

Immediate Instruction Execution Times ...................................................... 9-6

Single Operand Instruction Execution Times .............................................. 9-6

Shift/Rotate Instruction Execution Times .................................................... 9-8

Bit Manipulation Instruction Execution Times ............................................. 9-9

Conditional Instruction Execution Times ..................................................... 9-9

JMP, JSR, LEA, PEA, and MOVEM Instruction Execution Times ............ 9-10

Multiprecision Instruction Execution Times ............................................... 9-11

Miscellaneous Instruction Execution Times .............................................. 9-11

Exception Processing Instruction Execution Times .................................. 9-13

Section 10

Electrical and Thermal Characteristics

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

Page

Number

Freescale Semiconductor, Inc...

Maximum Ratings ..................................................................................... 10-1

Thermal Characteristics ............................................................................ 10-1

Power Considerations ............................................................................... 10-2

CMOS Considerations .............................................................................. 10-4

AC Electrical Specifications Definitions..................................................... 10-5

MC68000/68008/68010 DC Electrical Characteristics .............................. 10-7

DC Electrical Characteristics .................................................................... 10-8

AC Electrical Specifications—Clock Timing .............................................. 10-8

M68000 USER’S MANUAL

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MOTOROLA

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