MC68332ACEH20 Datasheet, PDF (4/88 Pages) Freescale Semiconductor, Inc – 32-Bit Modular Microcontroller

Freescale Semiconductor, Inc.
TABLE OF CONTENTS
Section
Page
1
1.1
1.2
1.3
1.4
1.5
Introduction
1
Features ......................................................................................................................................5
Block Diagram .............................................................................................................................6
Pin Assignments ..........................................................................................................................7
Address Map ...............................................................................................................................9
Intermodule Bus ..........................................................................................................................9
2
2.1
2.2
2.3
2.4
2.5
Signal Descriptions
10
Pin Characteristics ....................................................................................................................10
MCU Power Connections ..........................................................................................................11
MCU Driver Types .....................................................................................................................11
Signal Characteristics ................................................................................................................12
Signal Function ..........................................................................................................................13
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
System Integration Module
15
Overview ...................................................................................................................................15
System Configuration and Protection ........................................................................................17
System Clock ............................................................................................................................23
External Bus Interface ...............................................................................................................26
Chip Selects ..............................................................................................................................29
General-Purpose Input/Output ..................................................................................................36
Resets .......................................................................................................................................38
Interrupts ...................................................................................................................................41
Factory Test Block .....................................................................................................................43
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
Central Processor Unit
44
Overview ...................................................................................................................................44
Programming Model ..................................................................................................................44
Status Register ..........................................................................................................................46
Data Types ................................................................................................................................46
Addressing Modes .....................................................................................................................46
Instruction Set Summary ...........................................................................................................47
Background Debugging Mode ...................................................................................................51
5
5.1
5.2
5.3
5.4
5.5
Time Processor Unit
52
MC68332 and MC68332A Time Functions ...............................................................................52
MC68332G Time Functions ......................................................................................................55
Programmer's Model .................................................................................................................57
Parameter RAM .........................................................................................................................58
TPU Registers ...........................................................................................................................58
6
6.1
6.2
6.3
6.4
6.5
6.6
Queued Serial Module
64
Overview ...................................................................................................................................64
Address Map .............................................................................................................................65
Pin Function ..............................................................................................................................66
QSM Registers ..........................................................................................................................66
QSPI Submodule .......................................................................................................................71
SCI Submodule .........................................................................................................................79
7
7.1
7.2
7.3
7.4
Standby RAM with TPU Emulation RAM
84
Overview ...................................................................................................................................84
TPURAM Register Block ...........................................................................................................84
TPURAM Registers ...................................................................................................................84
TPURAM Operation ..................................................................................................................85
8
Summary of Changes
86
MOTOROLA
4
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MC68332
MC68332TS/D