MC68008 Просмотр технического описания (PDF) - Freescale Semiconductor

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MC68008

8-/16-/32-Bit Microprocessors User’s Manual

Freescale Semiconductor 

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

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