JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• To learn the fundamentals of Embedded System Processor
• To understand the AVR family processors and its programming in assembly level
• To explain the interfacing of keyboard, conversion of analog to digital and vice versa
• To develop knowledge on the applications of embedded system programming in to drives and UPS systems

Course Outcomes

Upon the completion of the course the student will be able to

• To describe the differences between the general computing system and the embedded system, also recognize the classification of embedded systems
• To become aware of the architecture of the AVR processor and its programming aspects (Assembly Level)
• To acquire knowledge on key board interfacing, conversion from ADC and DAC
• To equipped to design and develop control of drives using embedded system programming

UNIT - I

Introduction to Embedded System: An embedded system, processor, hardware unit, software embedded into a system, Example of an embedded system, Real time and embedded OS. Structural unit in a processor selection for embedded systems.

UNIT - II

AVR system - AVR family processors, Architecture, Addressing modes, Instruction overview, Branch, Call, and Time Delay Loop, AVR I/O Port Programming.

UNIT - III

Assembly level programming, Higher level language programming, AVR Programming in C, Timer Programming, Interrupt Programming.

UNIT - IV

AVR LCD and Keyboard Interfacing, ADC, DAC, and different Sensor Interfacing, Relay, Opt isolator interface.

UNIT - V

Stepper Motor Interfacing, Servo motor interfacing, PWM Programming, RTC, PC interface, data acquisition system. Case studies DC motor control, Induction Motor control ( VSI and CSI fed ) , UPS Applications , Special Machine control( PMBLDC).

TEXT BOOKS:

• 1. M A Mazidi, S Naimi “AVR Microcontroller and Embedded Systems: Using Assembly and C“
• 2. Rajkamal “Embedded System Architecture: Programming & Design”, TMH Edition, 2007.
• 3. J. W. Valvano“, Embedded Microcomputer System: Real time interfacing”, Cengage- Engineering, 1st Edition, 2000. M. Tech – I Year – II Sem. (PE/PEED/PID)