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68000 PDF даташит

Спецификация 68000 изготовлена ​​​​«Motorola Semiconductors» и имеет функцию, называемую «8 Bit Microprocessor / 32 Bit Microcontrollers».

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Номер произв 68000
Описание 8 Bit Microprocessor / 32 Bit Microcontrollers
Производители Motorola Semiconductors
логотип Motorola Semiconductors логотип 

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68000 Даташит, Описание, Даташиты
Freescale Semiconductor, Inc.
µ MOTOROLA
M68000
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
µ
registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
©MOTOROLA INC., 1993
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68000 Даташит, Описание, Даташиты
Freescale Semiconductor, Inc.
Paragraph
Number
TABLE OF CONTENTS
Title
Page
Number
1.1
1.2
1.3
1.4
1.5
1.6
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
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
Section 1
Overview
MC68000..................................................................................................... 1-1
MC68008..................................................................................................... 1-2
MC68010..................................................................................................... 1-2
MC68HC000................................................................................................ 1-2
MC68HC001................................................................................................ 1-3
MC68EC000 ................................................................................................ 1-3
Section 2
Introduction
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
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
For More Information On This Product,
Go to: www.freescale.com
vii









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68000 Даташит, Описание, Даташиты
Freescale Semiconductor, Inc.
Paragraph
Number
4.1
4.1.1
4.1.2
4.1.3
4.2
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
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
TABLE OF CONTENTS (Continued)
Title
Page
Number
Section 4
8-Bit Bus Operations
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
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
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
viii
M68000 USER’S MANUAL
MOTOROLA
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Go to: www.freescale.com










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