Subject Code 15EE52
IA Marks 20
Number of Lecture Hours/Week 04
Exam Hours 03
Total Number of Lecture Hours 50
Exam Marks 80
Credits – 04

Course 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 of I/O instructions.
  • To explain different addressing modes of 8051, arithmetic, logic instructions, and programs.
  • To explain develop 8051C programsfor time delay, I/O operations, I/O bit manipulation ,logic, arithmetic operations and data conversion.

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, Typesof Special Function Registers and their usesin 8051, Pins Of 8051. Memory Address Decoding, 8031/51 Interfacing With External ROM And RAM.8051 Addressing Modes. 10 HOURS
Revised Bloom’s Taxonomy Level
L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing.

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. 10 HOURS
Revised Bloom’s Taxonomy Level
L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing.

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. 10HOURS
Revised Bloom’s Taxonomy Level
L2 – Understanding, L3 – Applying,L4 – Analysing, L5 – Evaluating.

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. 
Revised Bloom’s Taxonomy Level
L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing.

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. 10 HOURS
Revised Bloom’s Taxonomy Level L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing.

Course outcomes:
  • At the end of the course the student will be able to:
  • Discuss the history of the 8051 and features of other 8051 family members andthe internal architecture of the 8051.
  • Explains the use of an 8051 assembler, the stack and the flag register, loop, jump, and call instructions.
  •  Discuss 8051 addressing modes, accessing data and I/O port programming, arithmetic, logic instructions, and programs.
  •  Develop 8051C programs for time delay, I/O operations, I/O bit manipulation, logic and arithmetic operations, data conversion and data serialization
  • Discuss the hardware connection of the 8051 chip, its timers, serial data communication and its interfacing of 8051to the RS232.  Discuss in detail 8051 interrupts and writing interrupt handler programs.
  • Interface 8051 with real-world devices such as LCDs and keyboards, ADC, DAC chips and sensors.
  •  Interface 8031/51 with external memories, 8255 chip to add ports and relays, optisolators and motors.

Graduate Attributes (As per NBA)
Engineering Knowledge, Problem analysis.

Question paper pattern:
·         The question paper will have ten full questions carrying equal marks.Each full question consisting of 16 marks.
·         There will be two full questions (with a maximum of four sub questions) from each module.  Each full question will have sub question covering all the topics under a module.
·         The students will have to answer five full questions, selecting one full question from each module.

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

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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