MC68040_Users_Manual_1993.pdf

M68040UMI AD

Rev. 1

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MC68EC040V

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MICROPROCESSORS

USER'S MANUAL

MOTOROLA

Introduction _

Integer Unit ..

Memory Management Unit (Except MC68EC040 & MC68EC04V) ..

Instruction and Data Caches _

Signal Description ..

IEEE 1149.1 Test Access Port (JTAG) ..

Bus Operation _

Exception Processing ..

Floating-Point Unit (MC68040) _

Instruction Timings a

MC68040 Electrical and Thermal Characteristics _

Ordering Information and Mechanical Data _

MC68LC040 _

MC68EC040 ..

MC68040V and MC68EC040V _

M68000 Family Summary _

Floating-Point Emulation (M68040FPSP) _

Index_

Introduction

Integer Unit

..Memory Management Unit (Except MC68EC040 & MC68EC04V)

Instruction and Data Caches

..Signal Description

IEEE 1149.1 Test Access Port (JTAG)

Bus Operation

..Exception Processing

.. Floating~Point. Unit. (MC68040)

..Instruction Timings·

... MC68040 Electrical and Thermal Characteristics

...Ordering Information and Mechanical.· Data

_MC68LC040

..MC68EC040

MC68040V and MC68EC040V

M68000 Family Summary

..Floating-Point Emulation (M68040FPSP)

_Index

®MOTOROLA

M68040 User's Manual

Including the

MC68040,

MC68040V,

MC68LC040,

MC68EC040,

and

MC68EC040V

Motorola reserves the right to make changes wtthout further notice to any products herein to il11lrove reliabiUty, function or design. Motorola does not assume any

liability arising out of the application or use of any product or circuH described herein; neither does it convey any license under Is 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 attomey

fees arising out of, directly or indirectly, any daim of personal injury or death associated with such unintended or unauthorized use, even if such daim aDeges that

Motorola was negligent regarding the design or manufacture of the part. Motorola and the ® are registered trademarks of Motorola, Inc. Motorola, Inc. is an

Equal Opportunity/Affirmative Action Employer.

Revised 1992, 1993

Automatic

Documentation Updates

AESOP, (Applications Engineering through On-line Productivity), is a state-of-the-art

electronic bulletin board service provided by Motorola High-Performance Division.

AESOP allows you to receive the latest M68000 information automatically, providing

electronic connectivity for applications, development, marketing, and documentation

support.

Through AESOP you can order documentation on-line, register for documentation

updates, and submit questions and comments about this or any other M68000 family

document or product. To access AESOP, dial 1-800-843-3451 (or outside the U.S. 512-

891-3650)..Use a 14,400 bps or less modem emulating a vt100 and set to N/8/1/F.

Motorola welcomes your suggestions for improving our documentation as well as any

questions concerning our products. When sending us your suggestions or comments

please provide the part number. If referring to documentation also include the

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When referring to items within documentation, please reference your comments or

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