Subject : Embedded Systems Design

Topic : Fundamentals of Embedded System

Difficulty level : Low

• Clock pulses are required any digital systems. Microprocessor embedded system digital system. Some microcontrollers have on chip oscillator circuit and require only a crystal to be connected externally, while some require external oscillator circuit.
• 8051 has an on chip oscillator but needs and external clock to run it.
• The oscillator …