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부품번호 | 68000 기능 |
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기능 | 8 Bit Microprocessor / 32 Bit Microcontrollers | ||
제조업체 | Motorola Semiconductors | ||
로고 | |||
전체 30 페이지수
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
For More Information On This Product,
Go to: www.freescale.com
Freescale Semiconductor, Inc.
Paragraph
Number
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
TABLE OF CONTENTS (Continued)
Title
Page
Number
Section 6
Exception Processing
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 Operand Effective Address Calculation Times............................................ 7-1
7.2 Move Instruction Execution Times .............................................................. 7-2
7.3 Standard Instruction Execution Times......................................................... 7-3
7.4 Immediate Instruction Execution Times ...................................................... 7-4
7.5 Single Operand Instruction Execution Times .............................................. 7-5
7.6 Shift/Rotate Instruction Execution Times .................................................... 7-6
7.7 Bit Manipulation Instruction Execution Times ............................................. 7-7
7.8 Conditional Instruction Execution Times ..................................................... 7-7
7.9 JMP, JSR, LEA, PEA, and MOVEM Instruction Execution Times............... 7-8
7.10 Multiprecision Instruction Execution Times ................................................. 7-8
7.11 Miscellaneous Instruction Execution Times ................................................ 7-9
7.12 Exception Processing Instruction Execution Times ................................... 7-10
MOTOROLA
M68000 USER’S MANUAL
For More Information On This Product,
Go to: www.freescale.com
ix
4페이지 Freescale Semiconductor, Inc.
LIST OF ILLUSTRATIONS
Figure
Number
Title
Page
Number
2-1 User Programmer's Model ................................................................................... 2-2
2-2 Supervisor Programmer's Model Supplement ..................................................... 2-2
2-3 Supervisor Programmer's Model Supplement (MC68010) .................................. 2-3
2-4 Status Register .................................................................................................... 2-3
2-5 Word Organization In Memory ............................................................................. 2-6
2-6 Data Organization In Memory .............................................................................. 2-7
2-7 Memory Data Organization (MC68008) ............................................................... 2-3
3-1 Input and Output Signals (MC68000, MC68HC000, MC68010) .......................... 3-1
3-2 Input and Output Signals ( MC68HC001) ............................................................ 3-2
3-3 Input and Output Signals (MC68EC000) ............................................................. 3-2
3-4 Input and Output Signals (MC68008 48-Pin Version) .......................................... 3-3
3-5 Input and Output Signals (MC68008 52-Pin Version) .......................................... 3-3
4-1 Byte Read-Cycle Flowchart.................................................................................. 4-2
4-2 Read and Write-Cycle Timing Diagram................................................................ 4-2
4-3 Byte Write-Cycle Flowchart .................................................................................. 4-4
4-4 Write-Cycle Timing Diagram ................................................................................ 4-4
4-5 Read-Modify-Write Cycle Flowchart .................................................................... 4-6
4-6 Read-Modify-Write Cycle Timing Diagram........................................................... 4-7
5-1
5-2
5-3
5-4
5-5
5-6
5-7
5-8
5-9
5-10
5-11
5-12
5-13
5-14
Word Read-Cycle Flowchart ................................................................................ 5-2
Byte Read-Cycle Flowchart.................................................................................. 5-2
Read and Write-Cycle Timing Diagram................................................................ 5-3
Word and Byte Read-Cycle Timing Diagram ....................................................... 5-3
Word Write-Cycle Flowchart ................................................................................ 5-5
Byte Write-Cycle Flowchart .................................................................................. 5-5
Word and Byte Write-Cycle Timing Diagram ....................................................... 5-6
Read-Modify-Write Cycle Flowchart .................................................................... 5-7
Read-Modify-Write Cycle Timing Diagram........................................................... 5-8
CPU Space Address Encoding ............................................................................ 5-9
Interrupt Acknowledge Cycle Timing Diagram ................................................... 5-10
Breakpoint Acknowledge Cycle Timing Diagram ...............................................5-11
3-Wire Bus Arbitration Flowchart
(NA to 48-Pin MC68008 and MC68EC000 ........................................................5-12
2-Wire Bus Arbitration Cycle Flowchart ............................................................. 5-13
xii
M68000 USER’S MANUAL
MOTOROLA
For More Information On This Product,
Go to: www.freescale.com
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