mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 13

• Manufacturer Part Number: mc68ec020
• Description: Microprocessors
• Manufacturer: Freescale Semiconductor, Inc

9/29/95
7-45
8-1
8-2
8-3
8-4
8-5
8-6
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
10-1
10-2
10-3
10-4
10-5
A-1
MOTOROLA
Number
Figure
MC68020/EC020 Postinstruction Stack Frame................................................ 7-48
Concurrent Instruction Execution ..................................................................... 8-3
Instruction Execution for Instruction Timing Purposes ..................................... 8-3
Processor Activity for Example 1 ..................................................................... 8-5
Processor Activity for Example 2 ..................................................................... 8-6
Processor Activity for Example 3 ..................................................................... 8-7
Processor Activity for Example 4 ..................................................................... 8-8
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
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
Bus Arbitration Circuit—MC68EC020 (Two-Wire) to DMA (Three-Wire) ......... A-1
LIST OF ILLUSTRATIONS (Concluded)
SECTION 1: OVERVIEW
M68020 USER’S MANUAL
Title
UM Rev 1
Number
Page
xvii