MICROCONTROLLER (18EE52)

 

MICROCONTROLLER

Course Code 18EE52 CIE Marks 40
Number of Lecture Hours/Week (L:T:P) 3:2:0 SEE Marks 60
Credits 04 Exam Hours 03

Course Learning Objectives:

· To explain the internal organization and working of Computers, microcontrollers and embedded
processors.
· Compare and contrast the various members of the 8051 family.
· To explain the registers of the 8051 microcontroller, manipulation of data using registers and MOV
instructions.
· To explain in detail the execution of 8051 Assembly language instructions and data types
· To explain loop, conditional and unconditional jump and call, handling and manipulation ofI/O
instructions.
· To explain different addressing modes of 8051, arithmetic, logic instructions, and programs.
· To explain develop 8051C programs for time delay, I/O operations, I/O bit manipulation, logic,
arithmetic operations 
and data conversion.

Module-1 

8051 Microcontroller Basics: Inside the Computer, Microcontrollers and Embedded Processors, Block
Diagram of 8051, PSW and Flag Bits, 8051 Register Banks and Stack, Internal Memory Organization of  8051, IO Port Usage in 8051, Types of Special Function Registers and their uses in 8051, Pins Of 8051. Memory Address Decoding, 8031/51 Interfacing With External ROM And RAM.8051 Addressing Modes.

Module-2

Assembly Programming and Instruction of 8051: Introduction to 8051 assembly programming,
Assembling and running an 8051 program, Data types and Assembler directives, Arithmetic, logic
instructions and programs, Jump, loop and call instructions, IO port programming.

 

Module-3

8051 Programming in C: Data types and time delay in 8051C, IO programming in 8051C, Logic
operations in 8051 C, Data conversion program in 8051 C, Accessing code ROM space in 8051C, Data
serialization using 8051C 8051 Timer Programming in Assembly and C: Programming 8051 timers, Counter programming, Programming timers 0 and 1 in 8051 C.

 

Module-4

8051 Serial Port Programming in Assembly and C: Basics of serial communication, 8051 connection
to RS232, 8051 serial port programming in assembly, serial port programming in 8051 C.
8051 Interrupt Programming in Assembly and C: 8051 interrupts, Programming timer, external
hardware, serial communication interrupt, Interrupt priority in 8051/52, Interrupt programming in C.

 

Module-5

Interfacing: LCD interfacing, Keyboard interfacing.
ADC, DAC and Sensor Interfacing: ADC 0808 interfacing to 8051, Serial ADC Max1112 ADC
interfacing to 8051, DAC interfacing, Sensor interfacing and signal conditioning.
Motor Control: Relay, PWM, DC and Stepper Motor: Relays and opt isolators, stepper motor
interfacing, DC motor interfacing and PWM. 8051 Interfacing with 8255: Programming the 8255, 8255 interfacing, C programming for 8255.

 

Course Outcomes: At the end of the course the student will be able to:

· Outline the 8051 architecture, registers, internal memory organization, addressing modes.
· Discuss 8051 addressing modes, instruction set of 8051, accessing data and I/O port programming.
· Develop 8051C programs for time delay, I/O operations, I/O bit manipulation, logic and arithmetic
operations, data conversion and timer/counter programming.
· Summarize the basics of serial communication and interrupts, also develop 8051 programs for serial
data communication and interrupt programming.
· Program 8051 to work with external devices for ADC, DAC, Stepper motor control, DC motor control,Elevator control.

 
Full Notes

Question paper pattern:

· The question paper will have ten questions.
· Each full question is for 20 marks.
· There will be 2 full questions (with a maximum of three sub questions in one full question)
from each module.
· Each full question with sub questions will cover the contents under a module.
· Students will have to answer 5 full questions, selecting one full question from each module.

Text Book

1 The 8051 Microcontroller and
Embedded Systems Using Assembly
and C
Muhammad Ali
Mazadi
Pearson 2nd Edition, 2008.

Reference Books

1 The 8051 Microcontroller Kenneth Ayala Cengage
Learning
3rd Edition, 2005

2 The 8051 Microcontroller and
Embedded Systems
Manish K Patel McGraw Hill 2014

3 Microcontrollers: Architecture,
Programming, Interfacing and System
Design
Raj Kamal Pearson 1st Edition, 2012
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