Microprocessors-and-Microcontrollers - JNTU World On or Lecture Note ld www.alljntuworld.in JN TU W Microprocessor and Microcontroller Theory and

Microprocessors-and-Microcontrollers - JNTU World On or...

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Lecture Note On Microprocessor and Microcontroller Theory and Applications JNTU World JNTU World Downloaded From JNTU World ()
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Syllabus JNTU World JNTU World Downloaded From JNTU World ()
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Disclaimer This document does not claim any originality and cannot be used as a substitute for prescribed textbooks. The information presented here is merely a collection by the committee members for their respective teaching assignments. Various sources as mentioned at the end of the document as well as freely available material from internet were consulted for preparing this document. The ownership of the information lies with the respective authors or institutions. Further, this document is not intended to be used for commercial purpose and the committee members are not accountable for any issues, legal, or otherwise, arising out of this document. The committee members make no representations or warranties with respect to the accuracy or completeness of the contents of this document and specially disclaim any implied warranties of merchantability or fitness for a particular purpose. The committee members shall not be liable for any loss or profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages. JNTU World JNTU World Downloaded From JNTU World ()
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MODULE: 1 1. INTRODUCTION TO MICROPROCESSOR AND MICROCOMPUTER ARCHITECTURE : A microprocessor is a programmable electronics chip that has computing and decision making capabilities similar to central processing unit of a computer. Any microprocessor- based systems having limited number of resources are called microcomputers . Nowadays, microprocessor can be seen in almost all types of electronics devices like mobile phones, printers, washing machines etc. Microprocessors are also used in advanced applications like radars, satellites and flights. Due to the rapid advancements in electronic industry and large scale integration of devices results in a significant cost reduction and increase application of microprocessors and their derivatives. Fig.1 Microprocessor-based system Bit : A bit is a single binary digit. Word : A word refers to the basic data size or bit size that can be processed by the arithmetic and logic unit of the processor. A 16-bit binary number is called a word in a 16-bit processor. Bus : A bus is a group of wires/lines that carry similar information. System Bus : The system bus is a group of wires/lines used for communication between the microprocessor and peripherals. Memory Word : The number of bits that can be stored in a register or memory element is called a memory word.
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