• Pin Diagram, Block Diagram 8085 and 8051, Timing and Clock, Reset circuitry
• Memory Architecture
• Addressing Modes
• Instruction set
• Interfacing of LED
• Interfacing single seven segment display,
• Multiplexing of four seven segment displays
• Counter application
• Key-pad scanning without interrupt
• Timer and Interrupt structure
• Interrupt based Display Driver for seven segment display
• Interrupt based hex -key pad Driver
• Stop watch Application
• Development of directory structure
• Introduction to conditional assembly structure
• Software & Hardware drivers for LCD
• Uart, RS232 interface, RS485, null modem configuration, Stopwatch on hyper terminal.