Basic Concepts Of Microprocessor And Microcontroller Pdf

basic concepts of microprocessor and microcontroller pdf

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A Microprocessor is an important part of a computer architecture without which you will not be able to perform anything on your computer. It is a programmable device that takes in input perform some arithmetic and logical operations over it and produce desired output. In simple words, a Microprocessor is a digital device on a chip which can fetch instruction from memory, decode and execute them and give results.

The reason is the electronic devices divert your attention and also cause strains while reading eBooks. This books is designed to explain basic concepts underlying programmable devices and their interfacing. This books presents an integrated treatment of the hardware and software aspects of the and microprocessors and microcontroller. Elaborated programming, solved examples on typical interfacing problems, and a useful set of exercise problems in each chapter serve as distinguishing features of the book. EasyEngineering team try to Helping the students and others who cannot afford buying books is our aim.


Welcome to the World of Microcontrollers, a tiny yet very powerful device that changed the face of Embedded Systems. Before going in to the details of Basics of Microcontrollers, you need to know what a Microcontroller is. Microcontrollers are similar to Microprocessors, but they have few additional components on the same chip.

Since the Microcontroller and its supporting circuitry are often embedded in the device it controls, a Microcontroller is also called as an Embedded Controller. Microcontrollers are omnipresent.

If a device or an application involves measuring, storing, calculating, controlling or displaying information, then device contains a Microcontroller in it. Let us see some of the areas where microcontrollers are used. The biggest user of Microcontrollers is probably the Automobiles Industry. Almost every car that comes out of the assembly factory contains at least one Microcontroller for the purpose of engine control.

You can find many more Microcontrollers for controlling additional systems. Consumer Electronics is another area which is loaded with Microcontrollers.

Microcontrollers are also used in test and measurement equipment like Multimeters, Oscilloscopes, Function Generators, etc. You can also find microcontrollers near your desktop computer like Printers, Routers, Modems, Keyboards, etc.

The above definitions of the Microcontroller might seem complicated or confusing to newbies in Electronics or Embedded Systems but the concept will become clear as we move forward. First, we will see the Rise of Microcontrollers, where you can find how the development to the Microcontroller took place.

Microprocessor, the invention that took the field of computation by storm. Since then, the computational power, complexity and power consumption kept on increasing in order to provide ultimate performance Power Consumption must be discussed separately due to developments such as Low Power VLSI etc.

For a Microprocessor to work, it needs a bunch of supporting hardware that can be found on a mother board. The hardware includes memory, ICs for peripheral devices, etc. In the beginning itself, the Microprocessors ability to control other electronic equipment like Photocopiers is realized.

The emphasis here is not on the computational power of the Microprocessor but rather on a control mechanism with less complex hardware and increased reliability. This requirement paved way for integrating the minimum hardware required for complete functioning of a Processor on to a single chip i. This is the rise of Microcontrollers, an Integrated Circuit, which contains all the functions and hardware in order to make a complete computer system.

Here, the computational power of the device is of less importance than the integration of all the components, including memory. Developing a Computer Controlled System involves design of the Hardware and also writing an efficient Software Program. Since a Microcontroller has all the hardware, that are required to make a computer controlled system on a single chip, using a Microcontroller will drastically reduce the efforts and time spent on hardware design and wiring. You might have seen the basic structure of a Microcontroller many times.

If you have already seen the structure of Microcontroller and the basic components of a Microcontroller before, then consider this as a revision. From the above image, you can understand that the three important or major components of a Microcontroller are:. But these can be considered as supporting devices.

We will now see each of the Basic Components of a Microcontroller mentioned in the above structure. Program Memory, as the name suggests, contains the program i. Data Memory on the other hand, is required to store temporary data while executing the instructions.

Inputs device like Switches, Keypads, etc. Another important component of a Microcontroller, but rarely discussed is the System Bus. One of the important components of a Microcontroller are the Timers and Counters. They provide the operations of Time Delays and counting external events. One of the important requirement of a Microcontroller is to communicate with other device and peripherals external.

Serial Port proves such interface through serial communication. Interrupts can be external, internal, hardware related or software related. Almost all sensors are analog devices and the analog data from these sensors must be converted in to digital data for the CPU to understand. There are huge number of applications of Microcontrollers. In fact, the entire embedded systems industry is dependent on Microcontrollers. The following are few applications of Microcontrollers. Your email address will not be published.

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Basics of Microcontrollers – History, Structure and Applications

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Word: A word refers to the basic data size or bit size that can be processed by the Microcontroller- microprocessor with built-in memory and ports and can be concept of priority does not apply to software interrupts as they are inserted into.

Basics of Microcontrollers – History, Structure and Applications

This article is about the Microcontroller Introduction and some of its basic features. The Microcontroller is one of the most popular and most commonly used microcontrollers in various fields like embedded systems, consumer electronics, automobiles, etc. Even though Microcontroller might seem a little bit out of fashion, we feel that it is one of the best platforms to get started with Microcontrollers, Embedded Systems and Programming both C and Assembly. But before going in to the Introduction and Basics of Microcontroller, we need to a little bit about what a Microcontroller is and Difference between Microprocessor and Microcontroller.

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8051 Microcontroller Introduction and Basics

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A microprocessor is a computer processor where the data processing logic and control is included on a single integrated circuit , or a small number of integrated circuits.

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Welcome to the World of Microcontrollers, a tiny yet very powerful device that changed the face of Embedded Systems.

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– Microcontroller – silicon chip which includes microprocessor, memory & I/O in a single package. Page 8. What is a Microprocessor? • The word comes from the.

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Microprocessor and microcontroller interfacing book pdf microprocessor and microprocessor and microcontroller interfacing book pdf its applications textbook by a nagoor kani pdf free download.

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