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Atmel AVRMicrocontroller

Primer: Programming and

Interfacing

any form or by any means---electronic, mechanical, photocopy, recording, or any other except for brief quotations

in printed reviews, without the prior permission of the publisher.

Atmel AVR Microcontroller Primer: Programming and Interfacing

Steven F. Barrett and Daniel J. Pack

www.morganclaypool.com

ISBN: 1598295411 paperback

ISBN: 9781598295412 paperback

ISBN: 159829542X ebook

ISBN: 9781598295429 ebook

DOI: 10.2200/S00100ED1V01Y200712DCS015

A Publication in the Morgan & Claypool Publishers series

SYNTHESIS LECTURES ON DIGITAL CIRCUITS AND SYSTEMS # 15

Lecture #15

Series Editor: Mitchell A. Thornton, Southern Methodist University

Series ISSN

ISSN 1932-3166 print

ISSN 1932-3174 electronic

Atmel AVRMicrocontroller

Primer: Programming and

Interfacing

Steven F. Barrett

University of Wyoming

Daniel J. Pack

United States Air Force Academy

SYNTHESIS LECTURES ON DIGITAL CIRCUITS AND SYSTEMS #15

M &

MORGAN CLAYPOOL PUBLISHERS

ABSTRACT

This textbook provides practicing scientists and engineers a primer on the Atmel AVR microcon-

troller. Our approach is to provide the fundamental skills to quickly get up and operating with this

internationally popular microcontroller. The Atmel ATmega16 is used as a representative sample

of the AVR line. The knowledge you gain on the ATmega16 can be easily translated to every

other microcontroller in the AVR line. We cover the main subsystems aboard the ATmega16,

providing a short theory section followed by a description of the related microcontroller subsystem

with accompanying hardware and software to exercise the subsytem. In all examples, we use the

C programming language. We conclude with a detailed chapter describing how to interface the

microcontroller to a wide variety of input and output devices.

KEYWORDS

Atmel microcontroller, microcontroller, ATmega16, Atmel AVR, microcontroller interfacing

Preface

In 2006, Morgan & Claypool Publishers (M&C) released our textbook Microcontrollers Fundamen-

tals for Engineers and Scientists . The purpose of this textbook was to provide practicing scientists

and engineers a tutorial on the fundamental concepts and the use of microcontrollers. The text-

book presented the fundamental concepts common to all microcontrollers. Our goals for writing

this follow-on book are to present details on a specific microcontroller family---the Atmel AVR

Microcontroller.

WhyAtmel? There aremany excellent international companies that producemicrocontrollers.

As Atmel states, ‘‘Atmel Corporation is an industry leader in the design and manufacture

of advanced semiconductors, with focus on microcontrollers, nonvolatile memory, logic, radio

frequency components and sensors.’’ Some of the highlights of the Atmel AVR line include

high performance coupled with low power consumption,

outstanding flash memory technology,

reduced instruction set computer Harvard Architecture,

single-cycle instruction execution,

wide variety of operating voltages (1.8--5.5 VDC),

architecture designed for the C language,

one set of development tools for the entire AVR line, and

in-system programming, debugging, and verification capability.

Although all of these features are extremely important, we have chosen to focus on the Atmel

AVR line of microcontrollers for this primer for a number of other related reasons:

The learning curve for Atmel microcontrollers is gentle. If this is your first exposure to

microcontrollers, you will quickly come up to speed on microcontroller programming and

interfacing. If you already know another line of processors, you can quickly apply your

knowledge to this powerful line of 8-bit processors.

It is relatively inexpensive to get started with the Atmel AVR microcontroller line.

The microcontrollers themselves are inexpensive, and the compilers and programming

hardware and software are relatively inexpensive.

Atmel AVR Microcontroller Primer - Programming and Interfacing.pdf

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