Mode of access: World Wide Web.

System requirements: Adobe Acrobat reader.

Part of: Synthesis digital library of engineering and computer science.

Series from website.

Includes bibliographical references and index.

6. Timing subsystem -- Overview -- Timing related terminology -- Frequency -- Period -- Duty cycle -- Timing system overview -- Applications -- Input capture, measuring external timing event -- Counting events -- Output compare, generating timing signals to interface external devices -- Industrial implementation case study (PWM) -- Overview of the Atmel timers -- Timer 0 system -- Modes of operation -- Timer 0 registers -- Timer 1 -- Timer 1 registers -- Timer 2 -- Programming the timer system -- Precision delay -- Pulse width modulation -- Input capture mode -- Servo motor control with the PWM system -- Pulse width modulation: automated fan cooling system -- Summary -- Chapter problems -- References -- 7. Atmel AVR operating parameters and interfacing -- Operating parameters -- Battery operation -- Embedded system voltage and current drain specifications -- Battery characteristics -- Input devices -- Switches -- Pullup resistors in switch interface circuitry -- Switch debouncing -- Keypads -- Sensors -- LM34 temperature sensor example -- Output devices -- Light emitting diodes (LEDs) -- Seven segment LED displays -- Code example.

Tri-state LED indicator -- Dot matrix display -- Liquid crystal character display (LCD) -- Graphic liquid crystal display (GLCD) -- High power DC devices -- DC solenoid control -- DC motor speed and direction control -- DC motor operating parameters -- H-bridge direction control -- Servo motor interface -- Stepper motor control -- AC devices -- Interfacing to miscellaneous devices -- Sonalerts, beepers, buzzers -- Vibrating motor -- DC fan -- Summary -- Chapter problems -- References -- 8. System level design -- Overview -- Weather station -- Requirements -- Structure chart -- Circuit diagram -- UML activity diagrams -- Microcontroller code -- Motor speed control -- Circuit diagram -- Requirements -- Structure chart -- UML activity diagrams -- Microcontroller code -- Autonomous maze navigating robot -- Description -- Requirements -- Circuit diagram -- Structure chart -- UML activity diagrams -- Microcontroller code -- Chapter problems -- A. ATmega164 register set -- B. ATmega164 header file -- Author's biography -- Index.

Abstract freely available; full-text restricted to subscribers or individual document purchasers.

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This textbook provides practicing scientists and engineers an advanced treatment of the Atmel AVR microcontroller. This book is intended as a follow on to a previously published book, titled "Atmel AVR Microcontroller Primer: Programming and Interfacing." Some of the content from this earlier text is retained for completeness. This book will emphasize advanced programming and interfacing skills.We focus on system level design consisting of several interacting microcontroller subsystems. The first chapter discusses the system design process. Our approach is to provide the skills to quickly get up to speed to operate the internationally popular Atmel AVR microcontroller line by developing systems level design skills. We use the Atmel ATmega164 as a representative sample of the AVR line. The knowledge you gain on this microcontroller can be easily translated to every other microcontroller in the AVR line. In succeeding chapters, we cover the main subsystems aboard the microcontroller, providing a short theory section followed by a description of the related microcontroller subsystem with accompanying software for the subsystem.We then provide advanced examples exercising some of the features discussed. In all examples, we use the C programming language. The code provided can be readily adapted to the wide variety of compilers available for the Atmel AVR microcontroller line. We also include a chapter describing how to interface the microcontroller to a wide variety of input and output devices. The book concludes with several detailed system level design examples employing the Atmel AVR microcontroller.

Also available in print.

Title from PDF t.p. (viewed on November 4, 2009).