Microprocessor consists of only a central processing unit, whereas micro controller contains a cpu, memory, io all. Dec 15, 2015 it is intended particularly for precise tasks like controlling a particular system. Both programs adds eight numbers and store the results in result variable. At the end of this article there is a pdf link so that you can download microprocessor vs microcontroller pdf copy for your future reference. What is the difference between a microprocessor and a. Microprocessor and microcontroller the difference when you start learning about microprocessors in most cases you will begin with intel 8085 and microcontrollers usually you will begin with intel 8051 from the mcs 51 micro controller family, the first question that pops up is hey whats the difference in between. An embedded system is a specialpurpose computer system designed. Microprocessor is a programmable multipurpose silicon chip which is the most critical component within a computer system. May 29, 2015 difference between microprocessor and microcontroller may 29, 2015 by administrator 7 comments the introduction of a piece of technology called microprocessor has changed the way in which we view, analyze and control the world surrounding us over the past two decades. A micro controller is defined as a lowcost, small microcomputer.
Microprocessor architecture addressing modes instruction setprogramming the objective. Based on these aspects, we can clearly summarize the comparison between both digital integrated circuits. First, there will be the immediate technology considerations for the design you are able to embark on. Its like a heart of the computer system which consists of alu arithmetic logic unit, control unit, instruction decoders, and register array.
The difference is that microcontroller incorporates features of microprocessor cpu,alu,registersalong with the presence of added features like presence of ram,rom,i\o ports,counter etc. Lets find out the key difference between microprocessor vs microcontroller in this article. Difference between microprocessor and microcontroller 8051. Aug 30, 2016 digital signal processing introduction,how dsps are different from other microprocessors,what is the difference between a dsp and microcontroller,dsp vs microprocessor,what is a dsp, difference. Microprocessor is an ic which has only the cpu inside them i. Lecture note on microprocessor and microcontroller theory vssut. The major difference between both of them is the life of external peripherals, where microcontroller have memory ram, rom, eeprom embedded in it while we.
There is huge confusion between the microcontroller and microprocessor. Difference between microprocessor and microcontroller microprocessor is an ic which has only the cpu inside them i. However, if microcontroller mcu or microprocessor mpu, becomes the basis of a platform approach, the decision can have longlasting consequences. What is the differences between a micro controller and microprocessor. Pdf ec6504 microprocessor and microcontroller mpmc books. The introduction of a piece of technology called microprocessor has changed the way in which we view, analyze and control the world surrounding us over the past two decades. Mar 02, 2020 in order to address the similarities and differences between these two, we have detailed the explanation of microcontroller and microprocessor here. Difference between microprocessor and microcontroller with pdf. Both the integrated circuits, for example, the microprocessor and microcontroller cant be outstanding by taking a look at them. The key difference between both the terms is the presence of peripheral. With the external hardware supporting an mpu has an added factor, putting an mpu into a low power mode might. There has been a great misunderstanding in difference between microprocessor and microcontroller since both the ic are designed for real life use.
The following are the major features to describe the difference between a microprocessor and microcontroller. The difference between the two is that a microcontroller incorporates features of microprocessor cpu, alu, registers along with the presence of added features. Typically an mcu uses onchip embedded flash memory in which to store and execute. The following table highlights the differences between a microprocessor and a microcontroller. Microprocessor and microcontroller a comparison of differences. The difference between the two is that a microcontroller incorporates features of microprocessor cpu, alu, registers along with the presence of added features like presence of ram, rom, io ports, counter, etc. Before we dig into 8051 vs 8085 let us understand difference between generic microcontroller vs microprocessor. Whereas the microcontrollers operate from a few mhz to. What is the difference between a microprocessor and.
Difference between microprocessor and microcontroller guru99. Difference between microprocessors and microcontrollers. It is a small computer that is designed in a singular integrated circuit. A microprocessor, popularly known as computer on a chip in its early days, is a general purpose central processing unit cpu fabricated on a. Dec 24, 2010 the microcontroller once programmed, can work on its own since it has a stored set of instructions that it executes as and when required. They have several common features and also have some major differences. You must always be confused when you are asked about difference between microprocessors and microcontrollers. First of all, microcontroller is basically a tiny micro computer designed to incorporate every characteristics expected in a microprocessor cpu. Difference between microprocessor and microcontroller microcontroller course. Download ec6504 microprocessor and microcontroller mpmc books lecture notes syllabus part a 2 marks with answers ec6504 microprocessor and microcontroller mpmc important part b 16 marks questions, pdf books, question bank with answers key, ec6504.
A microcomputer can be defined as a small sized, inexpensive, and limited capability computer. Differences between a microprocessor and a microcontroller. Difference between avr, arm, 8051 and pic microcontrollers. As now you are basically aware of what is a microcontroller and microprocessor, it would be easy to identify the major differences between a microcontroller and microprocessor. Firstly, let us consider some of the primary differences between an mcu and mpu. Whats the difference between a microprocessor and a cpu. Microcontroller microprocessor with builtin memory and ports and can be. The microprocessor and microcontroller chips do share many common features although they have very important differences. Today we will study the difference between microprocessor and microcontroller in detail. Unlike microcontrollers, microprocessors have no builtin memory, rom, serial ports, timers, and other peripherals that constitute a system. The useful links to difference between various terms are provided here. Whilst the former processes data, the latter controls data and peripherals. It has the same architectural block structure that is present on a computer.
It contains a processor core, rom, ram and io pins dedicated to perform various tasks. An mcu can be viewed as a singlechip computer, whereas an mpu has surrounding chips that support various functions like memory, interfaces, and io. Difference between microprocessor and microcontroller engineers. The general microcontroller consists of the processor, the memory ram, rom, eprom, serial ports, peripherals timers, counters, etc. Due to the compact design of microcontroller, they are used in mini portable electronic gadgets, toys and devices. A microprocessor is defined as the unit that controls a microcomputer. However, the difference between microprocessor and microcontroller can not be simply distinguished by just looking at them. Dsp vs microprocessor digital electronics interview. Differences between a microprocessor and a microcontroller himadri barman a microprocessor abbreviated as p or up is a computer electronic component made from miniaturized transistors and other circuit elements on a single semiconductor integrated circuit ic microchip or just chip. At the end of this article there is a pdf link so that you can download microprocessor vs microcontroller pdf copy for.
Apr 19, 2019 difference between microprocessor and microcontroller nobody can till weather a miscellaneous dip chip is a microcontroller or a microprocessor by just observing how it looks. A microcontroller sometimes uses abbreviated uc, c, or mcu, is fundamentally a specialized variety of microprocessor that is intended to be selfsatisfactory and lucrative. Wikipedia a computer is a machine that manipulates data according to a list of instructions. Let us discuss microcomputer, microprocessor, and microcontroller in this article and also to highlight their respective differences in between.
A microcontroller mcu for microcontroller unit is a small computer on a single metaloxidesemiconductor mos integrated circuit ic chip. Difference between microprocessor vs microcontroller pdf. Mp is a general purpose device called as cpu, whereas mcu is a dedicated chip which is called as single chip computer. While, microcontroller is a single circuit small device containing memory, processor core and an output unit. Difference between microprocessor and microcontroller 1 technology involved in microprocessor and microcontroller. Difference between microcontroller and microprocessor. On the other hand, a microcontroller is a specialised microprocessor considered as computer on a chip as it. The difference between microcontroller and microprocessor is that, microprocessor is a multiple integrated central processing unit which can process, save and display data through output. May 27, 2011 microprocessor vs microcontroller a microprocessor, also known as a central processing unit cpu, is an integrated circuit ic, which is the brain of a c compare the difference between similar terms. Typically an mcu uses onchip embedded flash memory in which to store and execute its program. The both ics are available in numerous type of packages starting from 6 pins to a large number of. The key distinguishing parameter is its functionality, and thats what were going to briefly describe hereafter.
A microcontroller can be easily said to be a small microprocessor that has a cpu, ram, rom and the input and output ports all embedded on the single microchip. Whereas the microcontrollers operate from a few mhz to 30 to 50 mhz, todays microprocessor operate above 1ghz as they perform complex tasks. The main difference between a microcontroller and microprocessor is the presence of necessary peripheral or components like ram, rom, eeprom, etc inside a single ic chip. It is designed specifically for specific tasks such as controling a specific system. Differences in microcomputer, microprocessor and microcontroller. With the external hardware supporting an mpu has an added factor, putting an mpu into a low power mode might also be slightly more complex. The clock speed of the microprocessor is quite high as compared to the microcontroller. Key difference in both of them is presence of external peripheral, where microcontrollers have ram, rom, eeprom embedded in it while we have to use external circuits. The intel eightyeighty was the second 8bit microprocessor designed and. In modern terminology, it is similar to, but less sophisticated than, a system on a chip soc. These microprocessors dont have ram, rom, and other peripheral on the chip. Below we have two codes one is written in c language which is a microprocessor based designs programming language and other is written in verilog language which is a language of fpga based designs. The differences between the microcontrollers are mainly include what is a microcontroller, difference between avr, arm, 8051 and pic microcontrollers and its applications. Difference between microprocessor and microcontroller with.
Jul 30, 2019 much like a microprocessor, a microcontroller is the nervous system of a body. Difference between microprocessor and microcontroller. At the bottom of the articles you can download pdf. While mpus do have low power modes there are not as many or as low as the ones you would find on a typical mcu. An external bus is required to interface to peripherals. Generally five interrupt sources are there in microcontroller.
Microcontrollers mcus tend to be less expensive than, simpler to setup, and simpler to operate than microprocessors mpus. A microcontroller can be comparable to a little stand alone computer. The first commercial microprocessor is 4bit 4004 developed by intel and was made available in 1971. The first difference between them is the difference in internal structure. A microcontroller, on the other hand, has all the peripherals such as. The main differences between microprocessors and microcontrollers are microprocessor has one or two types of bit handling instruction and microcontrollers. Cs cs42 ec cs micro processors and micro controllers complete notes cse,it 4th semester regulation ec microprocessor and microcontroller lecture notes all 5 units free notes for anna university 4th sem subject cs microprocessors and. The dissimilarity amid the two is that a microcontroller integrates the features of a microprocessor alu, cpu, registers together with the existence of extra characteristics such as existence of rom, ram, counter, inputoutput ports, etc. Details on the microcontroller architecture, features of the the difference between a microprocessor and a microcontroller is the. What is the difference between microprocessor and microcontroller. An operating system allows multiple processes to run at the same time via multiple threads. The basic difference between the microprocessor and microcontroller is that we can interface a microcontroller directly means for example we can directly connect a keyboard to microcontroller to.