MC68020 查看數據表（PDF） - Freescale Semiconductor

零件编号

产品描述 (功能)

生产厂家

MC68020

MICROPROCESSORS USER’S MANUAL

Freescale Semiconductor 

9/29/95

FreSeEsCcTaIOlNe 1S: eOmVEicRoVInEdWuctor, Inc. UM Rev 1

LIST OF ILLUSTRATIONS (Concluded)

Figure

Number

Title

Page

Number

7-45 MC68020/EC020 Postinstruction Stack Frame................................................7-48

8-1 Concurrent Instruction Execution .....................................................................8-3

8-2 Instruction Execution for Instruction Timing Purposes ..................................... 8-3

8-3 Processor Activity for Example 1 .....................................................................8-5

8-4 Processor Activity for Example 2 .....................................................................8-6

8-5 Processor Activity for Example 3 .....................................................................8-7

8-6 Processor Activity for Example 4 .....................................................................8-8

9-1

9-2

9-3

9-4

9-5

9-6

9-7

9-8

9-9

9-10

9-11

9-12

9-13

32-Bit Data Bus Coprocessor Connection........................................................9-2

Chip Select Generation PAL ............................................................................9-3

Chip Select PAL Equations ..............................................................................9-4

Bus Cycle Timing Diagram ...............................................................................9-4

Example MC68020/EC020 Byte Select PAL System Configuration ................ 9-7

MC68020/EC020 Byte Select PAL Equations ..................................................9-8

High-Resolution Clock Controller .....................................................................9-11

Alternate Clock Solution ...................................................................................9-11

Access Time Computation Diagram .................................................................9-12

Module Descriptor Format ................................................................................9-15

Module Entry Word ..........................................................................................9-15

Module Call Stack Frame .................................................................................9-16

Access Level Control Bus Registers ................................................................9-17

10-1

10-2

10-3

10-4

10-5

Drive Levels and Test Points for AC Specifications .......................................10-6

Clock Input Timing Diagram ...........................................................................10-7

Read Cycle Timing Diagram ..........................................................................10-11

Write Cycle Timing Diagram...........................................................................10-12

Bus Arbitration Timing Diagram .....................................................................10-13

A-1 Bus Arbitration Circuit—MC68EC020 (Two-Wire) to DMA (Three-Wire) .........A-1

MOTOROLA

M68020 USER’S MANUAL

xvii

For More Information On This Product,

Go to: www.freescale.com

Share Link: