
CHAPTER OBJECTIVES
In this chapter, the reader is introduced to microcontrollers, its evolution,
applications and main features. After completion of the chapter, the reader
should be able to understand:
• Functions of a microcontroller.
• Essential peripherals for a microcontroller.
• Difference between a microprocessor (like 8085) and a microcontroller
(e.g. MCS-51).
• The difference between Princeton and Harvard architectures.
• Variations in MCS-51 family of microcontrollers.
• Importance of power management in microcontrollers.
• Different types of packaging used for microcontrollers.
1
INTRODUCTION
1.1 | Introduction
In last 40 years or so ...