Unit 1 Unit – I

6 lecture hours

• Microprocessor Systems and 8085 Architecture 1.1 Definition & History of Microprocessor 1.2 CPU, Control Unit
• Arithmetic logic Unit (ALU)
• Memory Unit
• Power Unit and Input-Output unit 1.3 Von neumann & Harvard architectures 1.4 RISC & CISC architectures 1.5 8085 microprocessor Pins
• Address bus, Data bus, Control bus & Signals 1.6 8085 Block diagram and internal architecture 1.7 Comparison of Microprocessor & Microcontroller

Unit 2 Unit– II

9 lecture hours

• Microcontroller 8051 Architecture and Features 2.1 Common features of Microcontrollers: On-chip Oscillator
• program and data memory
• Interrupts 2.2 Blocks of Microcontroller 8051: ALU, PC, DPTR, PSW, Internal RAM, Internal ROM, SFRs
• General purpose registers 2.3 Functions of each pin of 8051 microcontroller 2.4 Internal RAM and ROM organization 2.5 Stack
• Stack Pointer and Stack operation concepts 2.6 Special Function Registers (SFRs) and their applications

Unit 3 Unit– III

12 lecture hours

• 8051 Programming and Instruction Set 3.1 Addressing Modes: Immediate
• Relative and bit addressing 3.2 Define Opcode
• Instruction cycle
• Machine cycle & T state 3.3 Instruction set: Data Transfer
• Branching, and Machine Control instructions 3.4 Data manipulation and transfer programs 3.5 Arithmetic and Logical operations programming 3.6 Masking
• Stack operation
• Conditional programming 3.7 Bit manipulation and control programs 3.8 Introduction to 8051 C programming: Structure of C program for microcontroller
• Basic Example programs using C

Unit 4 Unit-IV

• Serial Communication and Interrupts 4.1 Timer/Counter logic diagram and architecture 7 15 Program Name: Diploma Engineering Level: Diploma Branch: Electronics & Communication Engineering / Information & Communication Technology Subject Code : DI04000111 Subject Name : Microprocessor & Microcontroller w.e.f 2025-26 http://syllabus.gtu.ac.in/ Page 3 of 9 4.2 Timer/Counter operation in various modes (Mode 0, 1, 2, 3) 4.3 Serial communication modes and programming 4.4 Interrupt Vector Address
• Priority & Operations 4.5 Interrupt service routine programming

Unit 5 Unit-V

11 lecture hours

• Interfacing and Applications of Microcontroller 8051 5.1 Switches
• Push buttons interfacing and programming 5.2 Relay, LED, 7 segment LED, LCD interfacing 5.3 DAC0808
• ADC0804 interfacing and programming 5.4 DC Motor
• Stepper motor interfacing and control 5.5 Application of microcontroller in various fields (Industrial automation
• Consumer electronics
• etc.) 5.6 Applications: • Automatic Street Light Control using LDR sensor • Fire Alarm System using smoke sensor and buzzer • Water Level Controller with motor control and indicators • Digital Stopwatch with start/stop/reset functionality