Technical Summary 32-Bit Modular Microcontroller

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by MC68332TS/D Rev. 2

Technical Summary

32-Bit Modular Microcontroller

MC68332

1 Introduction

The MC68332, a highly-integrated 32-bit microcontroller, combines high-performance data manipulation capabilities with powerful peripheral subsystems. The MCU is built up from standard modules that interface through a common intermodule bus (IMB). Standardization facilitates rapid development of devices tailored for specific applications.

The MCU incorporates a 32-bit CPU (CPU32), a system integration module (SIM), a time processor unit (TPU), a queued serial module (QSM), and a 2-Kbyte static RAM module with TPU emulation capability (TPURAM).

The MCU can either synthesize an internal clock signal from an external reference or use an external clock input directly. Operation with a 32.768-kHz reference frequency is standard. The maximum system clock speed is 20.97 MHz. System hardware and software allow changes in clock rate during operation. Because MCU operation is fully static, register and memory contents are not affected by clock rate changes.

High-density complementary metal-oxide semiconductor (HCMOS) architecture makes the basic power consumption of the MCU low. Power consumption can be minimized by stopping the system clock. The CPU32 instruction set includes a low-power stop (LPSTOP) command that efficiently implements this capability.

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This document contains information on a new product. Specifications and information herein are subject to change without notice.

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Package Type 132-Pin PQFP

TPU Type Motion Control

Standard

Std w/enhanced PPWA

Table 1 Ordering Information

Temperature ?40 to +85 ?C ?40 to +105 ?C ?40 to +125 ?C ?40 to +85 ?C ?40 to +105 ?C ?40 to +125 ?C ?40 to +85 ?C ?40 to +105 ?C ?40 to +125 ?C

Frequency (MHz) 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz

Package Order

Quantity 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray 2 pc tray 36 pc tray

Order Number

SPAKMC332GCFC16 MC68332GCFC16

SPAKMC332GCFC20 MC68332GCFC20

SPAKMC332GVFC16 MC68332GVFC16

SPAKMC332GVFC20 MC68332GVFC20

SPAKMC332GMFC16 MC68332GMFC16

SPAKMC332GMFC20 MC68332GMFC20 SPAKMC332CFC16 MC68332CFC16 SPAKMC332CFC20 MC68332CFC20 SPAKMC332VFC16 MC68332VFC16 SPAKMC332VFC20 MC68332VFC20 SPAKMC332MFC16 MC68332MFC16 SPAKMC332MFC20 MC68332MFC20

SPAKMC332ACFC16 MC68332ACFC16

SPAKMC332ACFC20 MC68332ACFC20

SPAKMC332AVFC16 MC68332AVFC16

SPAKMC332AVFC20 MC68332AVFC20

SPAKMC332AMFC16 MC68332AMFC16

SPAKMC332AMFC20 MC68332AMFC20

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Package Type 144-Pin QFP

Table 1 Ordering Information (Continued)

TPU Type Motion Control

Standard

Std w/enhanced PPWA

Temperature ?40 to +85 ?C ?40 to +105 ?C ?40 to +125 ?C ?40 to +85 ?C ?40 to +105 ?C ?40 to +125 ?C ?40 to +85 ?C ?40 to +105 ?C ?40 to +125 ?C

Frequency (MHz) 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz 16 MHz 20 MHz

Package Order

Quantity 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray 2 pc tray 44 pc tray

Order Number

SPAKMC332GCFV16 MC68332GCFVV16 SPAKMC332GCFV20 MC68332GCFV20 SPAKMC332GVFV16 MC68332GVFV16 SPAKMC332GVFV20 MC68332GVFV20 SPAKMC332GMFV16 MC68332GMFV16 SPAKMC332GMFV20 MC68332GMFVV20 SPAKMC332CFV16

MC68332CFV16 SPAKMC332CFVV20

MC68332CFV20 SPAKMC332VFV16

MC68332VFV16 SPAKMC332VFV20

MC68332VFV20 SPAKMC332MFV16

MC68332MFV16 SPAKMC332MFV20

MC68332MFV20 SPAKMC332ACFV16

MC68332ACFV16 SPAKMC332ACFV20

MC68332ACFV20 SPAKMC332AVFV16

MC68332AVFV16 SPAKMC332AVFC20

MC68332AVFV20 SPAKMC332AMFV16

MC68332AMFV16 SPAKMC332AMFV20

MC68332AMFV20

MC68332 MC68332TS/D

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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

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1.1 Features

? Central Processing Unit (CPU32) -- 32-Bit Architecture -- Virtual Memory Implementation -- Table Lookup and Interpolate Instruction -- Improved Exception Handling for Controller Applications -- High-Level Language Support -- Background Debugging Mode -- Fully Static Operation

? System Integration Module (SIM) -- External Bus Support -- Programmable Chip-Select Outputs -- System Protection Logic -- Watchdog Timer, Clock Monitor, and Bus Monitor -- Two 8-Bit Dual Function Input/Output Ports -- One 7-Bit Dual Function Output Port -- Phase-Locked Loop (PLL) Clock System

? Time Processor Unit (TPU) -- Dedicated Microengine Operating Independently of CPU32 -- 16 Independent, Programmable Channels and Pins -- Any Channel can Perform any Time Function -- Two Timer Count Registers with Programmable Prescalers -- Selectable Channel Priority Levels

? Queued Serial Module (QSM) -- Enhanced Serial Communication Interface -- Queued Serial Peripheral Interface -- One 8-Bit Dual Function Port

? Static RAM Module with TPU Emulation Capability (TPURAM) -- 2-Kbytes of Static RAM -- May be Used as Normal RAM or TPU Microcode Emulation RAM

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MC68332 MC68332TS/D

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