Holtek HT48R05A-1 Manuale utente

HT48R05A-1, HT48R06A-1, HT48R07A-1,

HT48R08A-1, HT48R09A-1

Cost-Effective I/O Type MCU

Handbook

Second Edition

June 2006

may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photo-

copying, recording, or otherwise without the prior written permission of HOLTEK SEMICONDUCTOR INC.

Contents

Part I Microcontroller Profile....................................................................1

Chapter 1 Hardware Structure ...........................................................................................3

Introduction......................................................................................................................3

Features...........................................................................................................................4

Technology Features.................................................................................................4

Kernel Features.........................................................................................................4

Peripheral Features...................................................................................................4

Selection Table ................................................................................................................5

Block Diagram .................................................................................................................5

Pin Assignment................................................................................................................6

Pin Description.................................................................................................................6

Absolute Maximum Ratings .............................................................................................8

D.C. Characteristics.........................................................................................................9

A.C. Characteristics .......................................................................................................10

System Architecture.......................................................................................................11

Clocking and Pipelining ...........................................................................................11

Program Counter.....................................................................................................12

Stack .......................................................................................................................13

Arithmetic and Logic Unit -ALU .............................................................................14

Program Memory ...........................................................................................................14

Organization............................................................................................................14

Special Vectors .......................................................................................................15

Look-up Table..........................................................................................................15

Table Program Example..........................................................................................16

Data Memory .................................................................................................................17

Organization............................................................................................................17

General Purpose Data Memory ..............................................................................18

Special Purpose Data Memory ...............................................................................18

Contents

Special Function Registers ............................................................................................19

Indirect Addressing Register -IAR .........................................................................19

Memory Pointer -MP..............................................................................................19

Accumulator -ACC.................................................................................................20

Program Counter Low Register -PCL ...................................................................20

Look-up Table Registers -TBLP, TBLH .................................................................20

Watchdog Timer Register -WDTS .........................................................................20

Status Register -STATUS ......................................................................................21

Interrupt Control Register -INTC ...........................................................................22

Timer/Event Counter Registers ...............................................................................22

Input/Output Ports and Control Registers ...............................................................22

Input/Output Ports .........................................................................................................23

Pull-high Resistors ..................................................................................................23

Port A Wake-up .......................................................................................................23

I/O Port Control Registers .......................................................................................23

Pin-shared Functions ..............................................................................................24

Programming Considerations .................................................................................26

Timer/Event Counters ....................................................................................................26

Configuring the Timer/Event Counter Input Clock Source ......................................26

Timer Register -TMR ............................................................................................27

Timer Control Register -TMRC ..............................................................................27

Configuring the Timer Mode ...................................................................................28

Configuring the Event Counter Mode .....................................................................29

Configuring the Pulse Width Measurement Mode ..................................................29

Programmable Frequency Divider (PFD) and Buzzer Application ..........................30

Prescaler .................................................................................................................31

I/O Interfacing .........................................................................................................31

Programming Considerations .................................................................................31

Interrupts .......................................................................................................................32

Interrupt Register ....................................................................................................32

Interrupt Priority .......................................................................................................33

External Interrupt ....................................................................................................33

Timer/Event Counter Interrupt ................................................................................33

Programming Considerations .................................................................................33

Reset and Initialization ..................................................................................................34

Reset ......................................................................................................................34

Oscillator .......................................................................................................................38

System Clock Configurations .................................................................................38

System Crystal/Ceramic Oscillator .........................................................................38

System RC Oscillator .............................................................................................39

Watchdog Timer Oscillator .....................................................................................39

Power Down Mode and Wake-up .................................................................................39

Power Down Mode .................................................................................................39

Entering the Power Down Mode .............................................................................39

Standby Current Considerations .............................................................................40

Wake-up ..................................................................................................................40

Cost-Effective I/O Type MCU

Watchdog Timer.............................................................................................................41

Configuration Options....................................................................................................43

Application Circuits ........................................................................................................44

Part II Programming Language...............................................................45

Chapter 2 Instruction Set Introduction ...........................................................................47

Instruction Set................................................................................................................47

Instruction Timing ....................................................................................................47

Moving and Transferring Data.................................................................................47

Arithmetic Operations..............................................................................................48

Logical and Rotate Operations................................................................................48

Branches and Control Transfer ...............................................................................48

Bit Operations .........................................................................................................48

Table Read Operations ...........................................................................................49

Other Operations.....................................................................................................49

Instruction Set Summary ...............................................................................................49

Convention ..............................................................................................................49

Chapter 3 Instruction Definition ......................................................................................53

Chapter 4 Assembly Language and Cross Assembler..................................................65

Notational Conventions..................................................................................................65

Statement Syntax ..........................................................................................................66

Name.......................................................................................................................66

Operation ................................................................................................................66

Operand ..................................................................................................................66

Comment.................................................................................................................67

Assembly Directives ......................................................................................................67

Conditional Assembly Directives.............................................................................67

File Control Directives .............................................................................................68

Program Directives..................................................................................................69

Data Definition Directives........................................................................................72

Macro Directives .....................................................................................................74

Assembly Instructions....................................................................................................76

Name.......................................................................................................................76

Mnemonic................................................................................................................76

Operand, Operator and Expression ........................................................................76

Miscellaneous................................................................................................................78

Forward References................................................................................................78

Local Labels ............................................................................................................78

Reserved Assembly Language Words....................................................................79

Contents

iii

Cross Assembler Options ..............................................................................................80

Assembly Listing File Format.........................................................................................80

Source Program Listing...........................................................................................80

Summary of Assembly ............................................................................................81

Miscellaneous .........................................................................................................81

Part III Development Tools ......................................................................83

Chapter 5 MCU Programming Tools................................................................................85

HT-IDE Development Environment................................................................................85

Holtek In-Circuit Emulator -HT-ICE ..............................................................................86

HT-ICE Interface Card.............................................................................................86

OTP Programmer....................................................................................................87

OTP Adapter Card ..................................................................................................87

System Configuration ....................................................................................................87

HT-ICE Interface Card Settings...............................................................................88

Installation......................................................................................................................89

System Requirement...............................................................................................89

Hardware Installation ..............................................................................................89

Software Installation................................................................................................89

Chapter 6 Quick Start .......................................................................................................95

Step 1 -Create a New Project................................................................................95

Step 2 -Add Source Program Files to the Project .................................................95

Step 3 -Build the Project........................................................................................95

Step 4 -Programming the OTP Device..................................................................95

Step 5 -Transmit Code to Holtek ...........................................................................96

Appendix.....................................................................................................97

Appendix A Device Characteristic Graphics ..................................................................99

Appendix B Package Information.................................................................................109

Cost-Effective I/O Type MCU

Preface

Since the founding of the company, Holtek Semiconductor Inc. has concentrated much of its de-

sign efforts in the area of microcontroller development. Although supplying a wide range of semi-

conductor devices, the microcontroller category has always been a key product category within

the Holtek range, and one which will continue to expand as their devices increase in functionality

and maturity. By capitalizing on the substantial accumulated skills within its dedicated

microcontroller development department, Holtek has been able to release a comprehensive

range of high quality low-cost microcontroller devices for a wide range of application areas.

Holtek¢s high quality embedded I/O microcontroller solutions provide a means for customers to

greatly enhance the functional contents of their products, which when combined with Holtek¢s com-

prehensive range of development tools provide designers with the means to reduce their design to

market times and greatly increasing their added value.

This handbook is divided into three parts for user convenience. Most details regarding general

datasheet information and device specification is located within Part I. Information related to

microcontroller programming such as device instruction set, instruction definition, and assembly

language directives is found within Part II. Part III relates to the Holtek range of Development Tools

where information can be found on their installation and use.

By compiling all relevant data together in one handbook we hope users of the Holtek range of

Cost-Effective I/O Type microcontroller devices will have at their fingertips a useful, complete and

simple means to efficiently implement their microcontroller applications. Holtek¢s efforts to com-

bine information on device specifications, programming and development tools into one publica-

tion have produced a handbook which with careful use by the user should result in trouble free

designs and the maximum benefit being gained from the many features of Holtek microcontroller

devices. We recommend that users regularly check our website for the latest updates to our hand-

book and also welcome feedback and comments from our customers regarding further improve-

ments.

Preface

Cost-Effective I/O Type MCU

Part I

Microcontroller Profile

Part I Microcontroller Profile

Cost-Effective I/O Type MCU

Chapter 1

Hardware Structure

This section is the main datasheet section of the Cost-Effective I/O Type microcontroller hand-

book and contains all the parameters and information related to the hardware. The information

contained provides designers with details on all the main hardware features of the Cost-Effective

I/O Type MCU series which together with the programming section contains the information to en-

able swift and successful implementation of user microcontroller applications. By proper consulta-

tion of the relevant parts of this section, users can ensure that they make the most efficient use of

the flexible and multi-function features within the Cost-Effective I/O Type microcontroller series.

Introduction

The HT48R05A-1/HT48C05, HT48R06A-1/HT48C06, HT48R07A-1/HT48C07, HT48R08A-1/

HT48C08 and HT48R09A-1/HT48C09 are 8-bit high performance, cost-effective RISC architec-

ture microcontroller devices specifically designed for multiple I/O control product applications. De-

vice flexibility is enhanced with their internal special features such as HALT and wake-up

functions, oscillator options, buzzer driver, etc. These features combine to ensure applications re-

quire a minimum of external components and therefore reduce overall product costs. Having the

advantages of low power consumption, high performance, I/O flexibility as well as low-cost, these

devices have the versatility to suit a wide range of application possibilities such as industrial con-

trol, consumer products, subsystem controllers, etc. All devices share the same functions and fea-

tures, their main difference is in Data Memory and Program Memory capacity.

The HT48R05A-1, HT48R06A-1, HT48R07A-1, HT48R08A-1 and HT48R09A-1 are OTP devices

offering the advantages of easy and effective program updates, using the Holtek range of develop-

ment and programming tools. These devices provide the designer with the means for fast and cost

effective product development cycles. However, for applications that are at a mature state in their

design process, the HT48C05, HT48C06, HT48C07, HT48C08 and HT48C09 mask version de-

vices offer a complementary device for products with high volume and low-cost demands. Fully

pin and functionally compatible with their OTP version devices, such mask version devices pro-

vide the ideal substitute for products which have gone beyond their development cycle and are fac-

ing cost down demands.

Chapter 1 Hardware Structure

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