EE 308 • Midterm • Microprocessor Based System Design

Basic microcomputer structure

Register File & ALU Operations

Instruction Cycle & Pipeline

Instruction Format & Register Transfer Language

Understanding Program Counter and Control Flow

AVR Toolchain and IDE Installation

Introduction to Assembly Language

Introduction to AVR Instructions

Mini-Quiz A – Installation Process and Code Flow Basics

Mini-Quiz B – Memory & Address Map

Uploading Code to Arduino Mega and Testing

AVR Memory Model and Addressing

Basic Input/Output (I/O) Operations and Ports

Examples of AVR assembly programming

Example1 - Examples of AVR assembly programming

Example2 - Examples of AVR assembly programming

Example3 - Examples of AVR assembly programming

Example4 - Examples of AVR assembly programming

Bonus: Watch the code step by step on the VScode screen

7-Segment Display Logic and Hardware Structure

7-Segment Display Example Code

7-Segment Display Example Step By Step

7-Segment Display Example

PA0 Monitoring Logic & Bit Masking

PA0 bitmask Example Code

PA0 bitmask Example Step By Step

Bit Masking and Pin Control Exam

Harvard Memory and Variable Allocation

Harvard Architecture and Memory Organization Exam

Indirect Addressing with Z Pointer

Z pointer Example Code

Z pointer Example Step By Step

Z Pointer and Indirect Addressing Exam

Port Control with Bit Masks

Subroutines & Stack Operations

Stack Operations and Subroutines Exam

250 ms Time Slices with Timer1

Timer1 Example

Timer1 Example Step By Step

Timer 1 and Time SlicingExam

Memory Spaces at a Glance

Continuation of the Memory Areas Overview

I/O vs SRAM Writes

Copying a String from Flash to RAM

Bus Cycle Deep Dive

Continuation of Bus Cycle Deep Dive

Inside a RAM Bit & Byte

Address Decoding & Row Enable

Noise-Proofing with a Schmitt Trigger

AVR Memory Organization and Program Startup

Load/Store Operations and Data Memory Instructions

I/O Operations and Port Programming

Advanced Pointer Operations and Memory Transfer

Knight Rider Effect Example

Knight Rider Effect Step By Step

Binary Counter Example Step By Step

Pattern Generator Example

Pattern Generator Example Step By Step

Bus Architecture & Hardware Foundation for Data Structures-1

Bus Architecture & Hardware Foundation for Data Structures-2

I/O Interaction Methods: Polling vs Interrupt

Interrupt Vector Tables and Priority Management-1

Interrupt Vector Tables and Priority Management-2

Simple Button Interrupt - Assembly

Simple Button Interrupt - C

Hardware Foundations & Timer Systems - 1

Hardware Foundations & Timer Systems - 2

Hardware Foundations & Timer Systems - 3

Hardware Foundations & Timer Systems - 4

ISR Context Saving

Edge Triggering with EICRB

Timing Analysis & Waveforms

Application Problem: Refactoring from Polling to Interrupts

Application Problem: Refactoring from Polling to Interrupts - 2

From Polling to Interrupts: An Up/Down Counter Application

AVR Interrupt Control: Question Solution - 1

AVR Interrupt Control: Question Solution - 2

AVR Interrupt Control: Question Solution - 3

AVR Interrupt Control: Question Solution - 4

AVR Interrupt Control: Question Solution - 5

LCD Interfacing: From Pins to Pixels

From Keystroke to Screen: The Keypad & ASCII Journey

The World Inside a Pin: How 1s and 0s Are Made

The Universal Keypad: From Raw Code to Hex Characters

mm74c922_int - Assembly

mm74c922c_double

mm74c922c_double Proteus Simulation

mm74c922c_lcd4x16

LCD Fundamentals Quiz

Keypad Decoding Quiz

Keypad Scanning Quiz

LCD & Keypad Highlights: The Final Quiz