Table of Contents
Paragraph
Number
Title
Page
Number
MOTOROLA
MC68360 USER’S MANUAL
vii
5.7
5.7.1
5.7.1.1
5.7.1.2
5.7.1.3
5.7.1.3.1
5.7.1.3.2
5.7.1.3.3
5.7.1.4
5.7.1.5
5.7.1.6
5.7.1.7
5.7.2
5.7.2.1
5.7.2.2
5.7.2.3
5.7.2.4
5.7.2.5
5.7.2.6
5.7.2.7
5.7.2.8
5.7.2.9
5.7.2.10
5.7.2.11
5.7.2.12
5.7.2.13
5.7.2.14
Instruction Execution Timing................................................................. 5-82
Resource Scheduling............................................................................ 5-83
Microsequencer..................................................................................... 5-83
Instruction Pipeline................................................................................ 5-83
Bus Controller Resources ..................................................................... 5-83
Prefetch Controller ................................................................................ 5-84
Write-Pending Buffer............................................................................. 5-84
Microbus Controller............................................................................... 5-85
Instruction Execution Overlap ............................................................... 5-85
Effects of Wait States............................................................................ 5-86
Instruction Execution Time Calculation................................................. 5-86
Effects of Negative Tails........................................................................ 5-87
Instruction Timing Tables...................................................................... 5-88
Fetch Effective Address ........................................................................ 5-90
Calculate Effective Address .................................................................. 5-91
MOVE Instruction.................................................................................. 5-92
Special-Purpose MOVE Instruction....................................................... 5-92
Arithmetic/Logic Instructions ................................................................. 5-93
Immediate Arithmetic/Logic Instructions................................................ 5-95
Binary-Coded Decimal and Extended Instructions................................ 5-95
Single Operand Instructions.................................................................. 5-96
Shift/Rotate Instructions........................................................................ 5-96
Bit Manipulation Instructions ................................................................. 5-97
Conditional Branch Instructions............................................................. 5-98
Control Instructions ............................................................................... 5-99
Exception-Related Instructions and Operations.................................. 5-100
Save and Restore Operations............................................................. 5-101
Section 6
System Integration Module (SIM60)
Module Overview..................................................................................... 6-1
Module Base Address Register (MBAR)................................................. 6-3
System Configuration and Protection...................................................... 6-3
System Configuration.............................................................................. 6-5
SIM60 Interrupt Generation..................................................................... 6-6
Simultaneous SIM60 Interrupt Sources................................................... 6-8
Bus Monitor............................................................................................. 6-8
Spurious Interrupt Monitor....................................................................... 6-8
Double Bus Fault Monitor........................................................................ 6-9
Software Watchdog Timer (SWT) ........................................................... 6-9
Periodic Interrupt Timer (PIT)................................................................ 6-10
PIT Period Calculation........................................................................... 6-10
Using the PIT as a Real-Time Clock..................................................... 6-11
Freeze Support...................................................................................... 6-11
Low-Power Stop Support ...................................................................... 6-11
Low Power in Normal Operation ........................................................... 6-12
6.1
6.2
6.3
6.3.1
6.3.1.1
6.3.1.2
6.3.1.2.1
6.3.1.2.2
6.3.1.2.3
6.3.1.2.4
6.3.2
6.3.2.1
6.3.2.2
6.3.3
6.3.4
6.4