tutorialDec0604.pdf

Programming a PIC

Microcontroller

A Short Tutorial

by Yesu Thommandru

Iowa State University – ECpE

November 2006

Programming a PIC Microcontroller

Page ii of 24

Table of Contents

Table of Contents .......................................................................................................................... ii

Revision Record ........................................................................................................................... iii

1. Introduction..............................................................................................................................1

1.1 Purpose.........................................................................................................................................1

1.2 Document Conventions................................................................................................................1

1.3 Intended Audience and Reading Suggestions..............................................................................1

1.4 References....................................................................................................................................2

2. Choosing a PIC Microcontroller ............................................................................................3

2.1 Introduction..................................................................................................................................3

2.2 Types of PICs...............................................................................................................................3

3. Integrated Development Environment...................................................................................4

4. Programming Language..........................................................................................................4

5. Compiler, Assembler, and Linker ..........................................................................................6

6. Using MPLab IDE....................................................................................................................7

7. Writing Software....................................................................................................................11

8. The “Burning” Process..........................................................................................................12

9. Breadboarding a PIC Microcontroller ................................................................................18

10. Other Considerations.............................................................................................................21

Programming a PIC Microcontroller

Page iii of 24

Revision Record

Name

Date

Reason For Changes

Version

Yesu Thommandru

11/17/06

Started tutorial

1.0

Yesu Thommandru

11/18/06

Finished majority of tutorial

1.1

Yesu Thommandru

11/19/06

Added breadboard images, finished and posted

tutorial on Dec06-04 website.

1.2

Programming a PIC Microcontroller

Page 1 of 24

1. Introduction

1.1 Purpose

The purpose of this document is to provide a simple, easy to use tutorial on programming PIC

microcontrollers. The tutorial begins with instructions on selecting a specific PIC and ends with

directions for breadboarding the microcontroller.

1.2 Document Conventions

In this document different styles of text and visuals are used to help the reader separate different

types of information. General description text will be in this format, size 11 italicized Arial.

Pseudo-code or source code will be written in multi-color, size 10 Courier New font as in the

following example:

#include <stdio.h>

void main( int argc, char *argv[])

{

printf( "Star Wars!\n”);

return ;

}

Buttons and menu items will be in standard Arial text such as B utton with the first letter underlined.

Important notes and pieces of information will appear in normal text in shaded boxes as in the

following example:

NOTE: I think Darth Vader would win in a fight against Boba Fett!

1.3 Intended Audience and Reading Suggestions

The intended audience of this document is students in the Department of Electrical and Computer

Engineering enrolled in EE/CprE 491 or 492 Senior Design. This document can also be used by

any student or individual who wishes to learn the basics of how to program a PIC microcontroller.

There are a number of suggested readings for any users of this document. The following books

are suggested for specific PIC programming tasks:

Introduction to microelectronic systems: the PIC 16F84 microcontroller by Martin Bates.

PIC microcontroller: an intro to software and hardware interfacing by Han-Way Huang.

The PIC microcontroller: your personal introductory course by John Morton.

PIC microcontroller project book by John Lovine.

Programming and customizing the PIC microcontroller by Myke Predko.

The quintessential PIC microcontroller by Sid Katzen.

NOTE: In my experience most of software in these books is written in Assembly and are thus not

useful to students wishing to program in a high-level programming language.

Programming a PIC Microcontroller

Page 2 of 24

1.4 References

Schildt, Herbert. C/C++ Programmer’s Reference 2nd Edition . McGraw-Hill Publishing. New

York, 2000.

Morton, John. PIC Your Personal Introductory Course . Newnes. Boston, 1998.

Bergquist, Carl. Guide to PICMICRO Microcontrollers . Sams Technical Publications. Indianapolis,

2001.

Predko, Myke. Handbook of Microcontrollers . McGraw-Hill Publishing. New York, 1999.

Predko, Myke. PICMicro Microcontroller Pocket Reference . McGraw-Hill. New York. 2000.

Smith, D.W. PIC in Practice . Newnes. Oxford. 2002.

Microchip.com. PIC16F877A. 2006. <http://www.microchip.com/>

MicrochipC.com PICMicros and C <http://www.microchipc.com/>

Best Microcontroller Projects <http://www.best-microcontroller-projects.com/index.html>

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