Microcontroller A microcontroller (mcu or µc) is a small computer on a single integrated circuit consisting of a relatively simple CPU combined with support functions such as a crystal oscillator‚ timer‚ watchdog‚ I\O etc. Microcontrollers are designated for small applications. Thus‚ in contrast to the microprocessors used in personal computers and other high performance applications‚ simplicity is emphasized. Microcontrollers operate at frequency as low as 12 MHz‚ as this is adequate for many
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Microcontroller Interfacing Techniques Document Revision: 1.01 Date: 3rd April‚ 2005 16301 Blue Ridge Road‚ Missouri City‚ Texas 77489 USA Telephone: 1-713-283-9970 Fax: 1-281-416-2806 E-mail: info@bipom.com W eb: www.bipom.com This document is available for download from www.bipom.com Overview Micro-controllers are useful to the extent that they communicate with other devices‚ such as sensors‚ motors‚ switches‚ keypads‚ displays‚ memory and even other micro-controllers. Many interface
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(P) Ltd. makes no warranty of any kind including‚ but not limited to‚ any implied warranties of merchantability and fitness for a particular purpose with regard to this manual or the products described herein. Benchmark Electronic Systems (P) Ltd. assumes no responsibility for‚ or liability for errors contained in this manual or for incidental‚ special‚ or consequential damages arising out of the furnishing of this manual‚ or the use of this manual in operating the equipment‚ or in connection
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EMBEDDED SYSTEM PRESENTED BY‚ G.GURU RAJ‚ EEE‚ 3rd year‚ g.gururaj2812@gmail.com. ARUN RAJ‚ EEE‚ 3rd year‚ M.KUMARASAMY COLLEGE OF ENGINEERING. KARUR EXTENDED SECURITY FOR BANKING SECTOR USING EMBEDDED SYSTEM The world of today has high become a place with very high security but there are hackers (code breakers) and thieves who are trying to bring down this security system. So we need keep updating our security system
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The Evaluation of the Microprocessor. The microprocessor has changed a lot over the years‚ says (Michael W. Davidson‚http://micro.magnet.fsu.edu/chipshot.html) Microprocessor technology is progressing so rapidly that even experts in the field are having trouble keeping up with current advances. As more competition develops in this $150 billion a year business‚ power and speed of the microprocessor is expanding at an almost explosive rate. The changes have been most evident over the last decade
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UNIT II- Peripherals and Interfacing PIO 8255 The parallel input-output port chip 8255 is also called as programmable peripheral input-output port. The Intel’s 8255 is designed for use with Intel’s 8-bit‚ 16-bit and higher capability microprocessors. It has 24 input/output lines which may be individually programmed in two groups of twelve lines each‚ or three groups of eight lines. The two groups of I/O pins are named as Group A and Group B. Each of these two groups contains a subgroup of eight
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LCD based voting machine using 8051 microcontroller (AT89C51) Introduction: Electronic voting machine has now replaced the traditional mechanism of voting due to several advantages like security‚ automatic counting etc. This project presents a way to develop an electronic voting machine which displays the count of votes on a 16x2 LCD interface. A user can get his/her vote register through a set of switches (one for each candidate). After every cast of vote‚ the subsequent count can be seen on LCD
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Can a Machine Know? Martin Eddy 6/5/10 TOK Essay Word Count: 1213 In today’s day and age‚ the question “Can a Machine Know?” is very important and relevant to what we are doing with machines in making them more and more humanlike and capable of human functions. A machine‚ as defined on Dictionary.com “is an apparatus consisting of interrelated parts with separate functions‚ used in the performance of some kind of work.” That seems simple enough‚ not very complicated at all. But then if
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Integrated Circuit: The Evolution of an Electronic Miracle The microprocessor evolved over the course of many years of research‚ and people all over the world enjoy the benefits of this electronic miracle. It is difficult to think of anything that has affected modern life more than this invention. Cellular phones‚ wristwatches‚ calculators‚ automobiles‚ stereos‚ televisions‚ and computers are just a few of the thousands of electronic devices that have a microchip at the heart of its operation. Over the
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2. Draw the architecture of 8051 micro-controller .Also give the features of 8051 & description of registers (DPTR‚ PC‚ A‚ B). Q 3. Draw the PSW (Program Status Word) register of 8051 and describe all its bits .Also tell how register bank 3(RB3) can be selected. Q.4 Write PUSH instructions to push the contents of the registers on stack after the execution of the following set of instructions: MOV SP‚ #3FH SETB PSW.3 MOV R0‚ #25H MOV R1‚ #0CH MOV R2‚ #05H MOV A‚ #0CEH Q 5. Write instructions
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