MC68331 Datasheet, PDF (3/84 Pages) Motorola, Inc – User’s Manual

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Section
Page
1
1.1
1.2
1.3
1.4
1.5
2
2.1
2.2
2.3
2.4
2.5
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
5
5.1
5.2
5.3
5.4
5.5
6
6.1
6.2
6.3
6.4
7
Introduction
1
Features ......................................................................................................................................4
Block Diagram .............................................................................................................................5
Pin Assignments ..........................................................................................................................6
Address Map ...............................................................................................................................8
Intermodule Bus ..........................................................................................................................8
Signal Descriptions
9
Pin Characteristics ......................................................................................................................9
MCU Power Connections ..........................................................................................................10
MCU Driver Types .....................................................................................................................10
Signal Characteristics ................................................................................................................10
Signal Function ..........................................................................................................................11
System Integration Module
14
Overview ...................................................................................................................................14
System Configuration and Protection ........................................................................................16
System Clock ............................................................................................................................21
External Bus Interface ...............................................................................................................24
Chip Selects ..............................................................................................................................28
General-Purpose Input/Output ..................................................................................................35
Resets .......................................................................................................................................37
Interrupts ...................................................................................................................................39
Factory Test Block .....................................................................................................................41
Central Processor Unit
43
Overview ...................................................................................................................................43
Programming Model ..................................................................................................................43
Status Register ..........................................................................................................................45
Data Types ................................................................................................................................45
Addressing Modes .....................................................................................................................45
Instruction Set Summary ...........................................................................................................46
Background Debugging Mode ...................................................................................................50
Queued Serial Module
51
Overview ...................................................................................................................................51
Pin Function ..............................................................................................................................52
QSM Registers ..........................................................................................................................53
QSPI Submodule .......................................................................................................................56
SCI Submodule .........................................................................................................................64
General-Purpose Timer Module
70
Overview ...................................................................................................................................70
Capture/Compare Unit ..............................................................................................................71
Pulse-Width Modulator ..............................................................................................................74
GPT Registers ...........................................................................................................................75
Summary of Changes
82
MC68331TS/D
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