The 6800 * After seeing the success of Intel ’s 8-bit 8008 microprocessor‚ Motorola introduced its first 8-bit microprocessor‚ the 6800‚ in 1974. The 6800 became more prevalent due in part to the system oriented support hardware that Motorola introduced with the 6800. The 6800 was competing in the market with the Intel 8080. The 6800 was used in some early home computer kits‚ the Tektronix 4051 Graphics Computer System and in a microprocessor trainer sold by Heathkit. The 6809 * Around 1977
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Evolution of Microprocessor It is interesting to note that the microprocessor had existed for only 10 years prior to the creation of the PC! Intel invented the microprocessor in 1971; the PC was created by IBM in 1981. Now more than 20 years later‚ we are still using systems based more or less on the design of that first PC. The processors powering our PCs today are still backward compatible in many ways with the 8088 that IBM selected for the first PC in 1981. November 15‚ 2001 marked the 30th anniversary
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UNIT III 8086 MICROPROCESSOR INTERFACING 3.1 Introduction This unit explains how to design and implement an 8086 based microcomputer system. To design an 8086 based system‚ it is necessary to know how to interface the 8086 microprocessor with memory and input and output devices. Due to the mismatch in the speed between the microprocessor and other devices‚ a set of latches and buffers are required to interface the microprocessor with other devices. In this unit‚ you will learn about the way in
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indeed. The Microprocessor has been around since 1971 years‚ but in the last few years it has changed the American calculators to video games and computers (Givone 1). Many microprocessors have been manufactured for all sorts of products; some have succeeded and some have not. This paper will discuss the evolution and history of the most prominent 16 and 32 bit microprocessors in the microcomputer and how they are similar to and different from each other. Because microprocessors are a subject
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The 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
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The history of the microprocessor begins with the birth of the Intel 4004‚ the first commercially available microprocessor. The roots of this development can be traced directly back to the inventors of the transistor. In 1955‚ William Shockley founded Shockley Semiconductor in Palo Alto‚ California (arguably the birth of Silicon Valley). This company eventually employed Gordon Moore and Robert Noyce‚ who left with others to form Fairchild Semiconductor in 1957. While at Fairchild‚ Noyce played a
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OF COMPUTER APPLICATIONS COLLEGE OF ENGINEERING‚ THIRUVANANTHAPURAM ASSEMBLY LANGUAGE PROGRAMMING LAB – MANUAL 2005 INDEX CONTENTS PAGE NO 1. The 8085 microprocessor 1.1 Introduction 1.2 8085 Internal Architecture 1.3 8085 Pin Diagram 1.4 8085 Addressing Modes 1 1 1 6 11 2. The 8085 Microprocessor Trainer Kit 2.1 Introduction 2.2 Specifications of STS -85 VLC 2.2.1 Hardware Specifications 2.2.2 Software Description 12 12 12 13 15 3. 8085 Instruction Set
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Intel in the DRAM business Intel‘s first two products were introduced in 1969: two semiconductors‚ but neither product was a commercial success. These two semiconductors were called SRAM - the 3101 (a 64-bit bipolar static random access memory‚ or SRAM and the 1101 (a 256-bit MOS - metal oxide semiconductor - SRAM In 1971 Intel introduced a new semiconcuctor‚ (the 1103‚ a 1-kilobite DRAM (dynamic random access memory) chip which became in the following year the world‘s best sellig semiconductor
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COMMUNICATIONS 17-1 MARKETING SPOTLIGHT INTEL Intel makes the microprocessors that are found in 80 percent of the world’s personal computers. In the early days‚ Intel microprocessors were known simply by their engineering numbers‚ such as “80386” or “80486.” Intel positioned its chips as the most advanced. The trouble was‚ as Intel soon learned‚ numbers can’t be trademarked. Competitors came out with their own “486” chips‚ and Intel had no way to distinguish itself from the competition
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About Intel Corporation: Intel Corporation is the biggest semiconductor and manufacturer in the world and changes the global marketplace radically. The Intel Corporation was founded and incorporated by Moore and Robert Noyce on 1968. The first PC (personal computer) were developed though the innovation of Intel Microprocessors. Being the pioneer of the microprocessor market had its advantages. The microprocessor market was a relatively new one‚ and barriers to market entry helped Intel become a
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