Microprocessor, Microcomputer and Their Applications Fourth Edition
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Over View of Microprocessor 8085 and Its Application
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) e-ISSN: 2278-2834,p- ISSN: 2278-8735.Volume 10, Issue 6, Ver. II (Nov - Dec .2015), PP 09-14 www.iosrjournals.org Over view of Microprocessor 8085 and its application Kimasha Borah Assistant Professor, Centre for Computer Studies Centre for Computer Studies, Dibrugarh University, Dibrugarh, Assam, India Abstract: Microprocessor is a program controlled semiconductor device (IC), which fetches, decode and executes instructions. It is versatile in application and is flexible to some extent. Nowadays, modern microprocessors can perform extremely sophisticated operations in areas such as meteorology, aviation, nuclear physics and engineering, and take up much less space as well as delivering superior performance Here is a brief review of microprocessor and its various application Key words: Semi Conductor, Integrated Circuits, CPU, NMOS ,PMOS, VLSI I. Introduction: Microprocessor is derived from two words micro and processor. Micro means small, tiny and processor means which processes something. It is a single Very Large Scale of Integration (VLSI) chip that incorporates all functions of central processing unit (CPU) fabricated on a single Integrated Circuits (ICs) (1).Some other units like caches, pipelining, floating point processing arithmetic and superscaling units are additionally present in the microprocessor and that results in increasing speed of operation.8085,8086,8088 are some examples of microprocessors(2). The technology used for microprocessor is N type metal oxide semiconductor(NMOS)(3). Basic operations of microprocessor are fetching instructions from memory ,decoding and executing them ie it takes data or operand from input device, perform arithmetic and logical operations and store results in required location or send result to output devices(1).Word size identifies the microprocessor.E.g. -
Class-Action Lawsuit
Case 3:20-cv-00863-SI Document 1 Filed 05/29/20 Page 1 of 279 Steve D. Larson, OSB No. 863540 Email: [email protected] Jennifer S. Wagner, OSB No. 024470 Email: [email protected] STOLL STOLL BERNE LOKTING & SHLACHTER P.C. 209 SW Oak Street, Suite 500 Portland, Oregon 97204 Telephone: (503) 227-1600 Attorneys for Plaintiffs [Additional Counsel Listed on Signature Page.] UNITED STATES DISTRICT COURT DISTRICT OF OREGON PORTLAND DIVISION BLUE PEAK HOSTING, LLC, PAMELA Case No. GREEN, TITI RICAFORT, MARGARITE SIMPSON, and MICHAEL NELSON, on behalf of CLASS ACTION ALLEGATION themselves and all others similarly situated, COMPLAINT Plaintiffs, DEMAND FOR JURY TRIAL v. INTEL CORPORATION, a Delaware corporation, Defendant. CLASS ACTION ALLEGATION COMPLAINT Case 3:20-cv-00863-SI Document 1 Filed 05/29/20 Page 2 of 279 Plaintiffs Blue Peak Hosting, LLC, Pamela Green, Titi Ricafort, Margarite Sampson, and Michael Nelson, individually and on behalf of the members of the Class defined below, allege the following against Defendant Intel Corporation (“Intel” or “the Company”), based upon personal knowledge with respect to themselves and on information and belief derived from, among other things, the investigation of counsel and review of public documents as to all other matters. INTRODUCTION 1. Despite Intel’s intentional concealment of specific design choices that it long knew rendered its central processing units (“CPUs” or “processors”) unsecure, it was only in January 2018 that it was first revealed to the public that Intel’s CPUs have significant security vulnerabilities that gave unauthorized program instructions access to protected data. 2. A CPU is the “brain” in every computer and mobile device and processes all of the essential applications, including the handling of confidential information such as passwords and encryption keys. -
Professor Won Woo Ro, School of Electrical and Electronic Engineering Yonsei University the Intel® 4004 Microprocessor, Introdu
Professor Won Woo Ro, School of Electrical and Electronic Engineering Yonsei University The 1st Microprocessor The Intel® 4004 microprocessor, introduced in November 1971 An electronics revolution that changed our world. There were no customer‐ programmable microprocessors on the market before the 4004. It propelled software into the limelight as a key player in the world of digital electronics design. 4004 Microprocessor Display at New Intel Museum A Japanese calculator maker (Busicom) asked to design: A set of 12 custom logic chips for a line of programmable calculators. Marcian E. "Ted" Hoff Recognized the integrated circuit technology (of the day) had advanced enough to build a single chip, general purpose computer. Federico Faggin to turn Hoff's vision into a silicon reality. (In less than one year, Faggin and his team delivered the 4004, which was introduced in November, 1971.) The world's first microprocessor application was this Busicom calculator. (sold about 100,000 calculators.) Measuring 1/8 inch wide by 1/6 inch long, consisting of 2,300 transistors, Intel’s 4004 microprocessor had as much computing power as the first electronic computer, ENIAC. 2 inch 4004 and 12 inch Core™2 Duo wafer ENIAC, built in 1946, filled 3000‐cubic‐ feet of space and contained 18,000 vacuum tubes. The 4004 microprocessor could execute 60,000 operations per second Running frequency: 108 KHz Founders wanted to name their new company Moore Noyce. However the name sounds very much similar to “more noise”. "Only the paranoid survive". Moore received a B.S. degree in Chemistry from the University of California, Berkeley in 1950 and a Ph.D. -
CISC Processor - Intel X86
Architecture of Computers and Parallel Systems Part 4: Intel x86 History Ing. Petr Olivka [email protected] Department of Computer Science FEI VSB-TUO Architecture of Computers and Parallel Systems Part 4: Intel x86 History Ing. Petr Olivka [email protected] Department of Computer Science FEI VSB-TUO Architecture of Computers and Parallel Systems Part 4: Intel x86 History Ing. Petr Olivka [email protected] Department of Computer Science FEI VSB-TUO CISC Processor - Intel x86 This chapter will introduce the CISC processors evolution. We will try to illustrate the history on one typical processor, because the comparison of multiple processors simultaneously would not be clear for readers. But the selection of one typical processor is complicated due to a variety of products and manufactures in the past 30 years. We have decided to describe in this presentation one of the best- known and longest mass-produced processors in existence. We definitely do not want to say that it is the best technology or that these are processors with the highest performance! The Intel x86 processors are the selected product line. Intel 8080 (Year-Technology-Transistors-Frequency-Data bus-Address Bus) Y: 1974 T: NMOS 6μm Tr: 6000 F: 2MHz D: 8b A: 16b This 8 bit processor is not directly the first member of x86 series, but it can not be skipped. It is one of the first commercially successful microprocessors. This microprocessor became the basis for a number of the first single-board computers and its instruction set inspired other manufacturers to develop 8-bit processors. -
Iapx 286 PROGRAMMER's REFERENCE MANUAL
iAPX 286 PROGRAMMER'S REFERENCE MANUAL 1983 -. Additional copies of this manual or other Intel literature may be obtained from: Literature Department Intel Corporation 3065 Bowers Avenue Santa Clara, CA 95051 The information in this document is subject to change without notice. Intel Corporation makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Intel Corporation assumes no responsibility for any errors that may appear in this document. Intel Corporation makes no commitment to update nor to keep current the information contained in this document. Intel Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an Intel product. No other circuit patent licenses are implied. Intel software products are copyrighted by and shall remain the property of Intel Corporation. Use, dupli cation or disclosure is subject to restrictions stated in Intel's software license, or as defined in ASPR 7-104.9(a)(9). No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Intel Corporation. The following are trademarks of Intel Corporation and its affiliates and may be used to identify Intel products: AEDIT iDiS Intellink MICROMAINFRAME BITBUS iLBX iOSP MULTIBUS BXP im iPDS MULTICHANNEL COMMputer iMMX iRMX MULTIMODULE CREDIT Insite iSBC Plug-A-Bubble i intel iSBX PROMPT 12ICE intelBOS iSDM Ripplemode iATC Intelevision iSXM RMX/80 ICE inteligent Identifier Library Manager RUPI iCS inteligent Programming MCS System 2000 iDBP Intellec Megachassis UPI Table of Contents CHAPTER 1 Page INTRODUCTION TO iAPX 286 General Attributes ......... -
Advanced Architecture Intel Microprocessor History
Advanced Architecture Intel microprocessor history Computer Organization and Assembly Languages Yung-Yu Chuang with slides by S. Dandamudi, Peng-Sheng Chen, Kip Irvine, Robert Sedgwick and Kevin Wayne Early Intel microprocessors The IBM-AT • Intel 8080 (1972) • Intel 80286 (1982) – 64K addressable RAM – 16 MB addressable RAM – 8-bit registers – Protected memory – CP/M operating system – several times faster than 8086 – 5,6,8,10 MHz – introduced IDE bus architecture – 29K transistors – 80287 floating point unit • Intel 8086/8088 (1978) my first computer (1986) – Up to 20MHz – IBM-PC used 8088 – 134K transistors – 1 MB addressable RAM –16-bit registers – 16-bit data bus (8-bit for 8088) – separate floating-point unit (8087) – used in low-cost microcontrollers now 3 4 Intel IA-32 Family Intel P6 Family • Intel386 (1985) • Pentium Pro (1995) – 4 GB addressable RAM – advanced optimization techniques in microcode –32-bit registers – More pipeline stages – On-board L2 cache – paging (virtual memory) • Pentium II (1997) – Up to 33MHz – MMX (multimedia) instruction set • Intel486 (1989) – Up to 450MHz – instruction pipelining • Pentium III (1999) – Integrated FPU – SIMD (streaming extensions) instructions (SSE) – 8K cache – Up to 1+GHz • Pentium (1993) • Pentium 4 (2000) – Superscalar (two parallel pipelines) – NetBurst micro-architecture, tuned for multimedia – 3.8+GHz • Pentium D (2005, Dual core) 5 6 IA32 Processors ARM history • Totally Dominate Computer Market • 1983 developed by Acorn computers • Evolutionary Design – To replace 6502 in -
Protected Mode - Wikipedia
2/12/2019 Protected mode - Wikipedia Protected mode In computing, protected mode, also called protected virtual address mode,[1] is an operational mode of x86- compatible central processing units (CPUs). It allows system software to use features such as virtual memory, paging and safe multi-tasking designed to increase an operating system's control over application software.[2][3] When a processor that supports x86 protected mode is powered on, it begins executing instructions in real mode, in order to maintain backward compatibility with earlier x86 processors.[4] Protected mode may only be entered after the system software sets up one descriptor table and enables the Protection Enable (PE) bit in the control register 0 (CR0).[5] Protected mode was first added to the x86 architecture in 1982,[6] with the release of Intel's 80286 (286) processor, and later extended with the release of the 80386 (386) in 1985.[7] Due to the enhancements added by protected mode, it has become widely adopted and has become the foundation for all subsequent enhancements to the x86 architecture,[8] although many of those enhancements, such as added instructions and new registers, also brought benefits to the real mode. Contents History The 286 The 386 386 additions to protected mode Entering and exiting protected mode Features Privilege levels Real mode application compatibility Virtual 8086 mode Segment addressing Protected mode 286 386 Structure of segment descriptor entry Paging Multitasking Operating systems See also References External links History https://en.wikipedia.org/wiki/Protected_mode -
An 8085 Microprocessor Based Monitor System for a 750 Cc Honda Motorcycle
Rochester Institute of Technology RIT Scholar Works Theses 1988 An 8085 Microprocessor based monitor system for a 750 cc Honda motorcycle Robert H. Leet Follow this and additional works at: https://scholarworks.rit.edu/theses Recommended Citation Leet, Robert H., "An 8085 Microprocessor based monitor system for a 750 cc Honda motorcycle" (1988). Thesis. Rochester Institute of Technology. Accessed from This Thesis is brought to you for free and open access by RIT Scholar Works. It has been accepted for inclusion in Theses by an authorized administrator of RIT Scholar Works. For more information, please contact [email protected]. Rochester Institute of Technology School of Computer Science and Technology An 8085 Microprocessor Based Monitor System For A 750 cc Honda Motorcycle By Robert H. Leet A thesis, submitted to The Faculty of the School of Computer Science and Technology, in partial fulfillment of the requirements for the degree of Master of Science in Computer Science Approved by: Protapa Reddy Dr. Protapa Reddy Peter G. Andrews Dr. Peter Anderson Rayno N,eimi Dr. Rayno Niemi March 24, 1988 I Robert H. Leet prefer to be contacted each time a ~equest for reproduction is made. I can be reached at the following address: 15417 Preston Road #1152 Dallas, Texas 75248 Ma r c h 2 5, 1 9 8 8 Abstract This system replaces the analog speedometer and tachometer gauge cluster of a 750 cc Honda motorcycle with a computerized monitor system based on the INTEL 8085A microprocessor and family of peripherals. The system adds the enhanced functionality of engine temperature, battery charging, fuel level, turn signal, and kick stand monitoring and status display. -
Communication Theory II
Microprocessor (COM 9323) Lecture 2: Review on Intel Family Ahmed Elnakib, PhD Assistant Professor, Mansoura University, Egypt Feb 17th, 2016 1 Text Book/References Textbook: 1. The Intel Microprocessors, Architecture, Programming and Interfacing, 8th edition, Barry B. Brey, Prentice Hall, 2009 2. Assembly Language for x86 processors, 6th edition, K. R. Irvine, Prentice Hall, 2011 References: 1. Computer Architecture: A Quantitative Approach, 5th edition, J. Hennessy, D. Patterson, Elsevier, 2012. 2. The 80x86 Family, Design, Programming and Interfacing, 3rd edition, Prentice Hall, 2002 3. The 80x86 IBM PC and Compatible Computers, Assembly Language, Design, and Interfacing, 4th edition, M.A. Mazidi and J.G. Mazidi, Prentice Hall, 2003 2 Lecture Objectives 1. Provide an overview of the various 80X86 and Pentium family members 2. Define the contents of the memory system in the personal computer 3. Convert between binary, decimal, and hexadecimal numbers 4. Differentiate and represent numeric and alphabetic information as integers, floating-point, BCD, and ASCII data 5. Understand basic computer terminology (bit, byte, data, real memory system, protected mode memory system, Windows, DOS, I/O) 3 Brief History of the Computers o1946 The first generation of Computer ENIAC (Electrical and Numerical Integrator and Calculator) was started to be used based on the vacuum tube technology, University of Pennsylvania o1970s entire CPU was put in a single chip. (1971 the first microprocessor of Intel 4004 (4-bit data bus and 2300 transistors and 45 instructions) 4 Brief History of the Computers (cont’d) oLate 1970s Intel 8080/85 appeared with 8-bit data bus and 16-bit address bus and used from traffic light controllers to homemade computers (8085: 246 instruction set, RISC*) o1981 First PC was introduced by IBM with Intel 8088 (CISC**: over 20,000 instructions) microprocessor oMotorola emerged with 6800. -
8085 Microprocessor Submitted in Partial Fulfillment of the Requirement for the Award of Degree of Electronics
www.studymafia.org A Seminar report On 8085 microprocessor Submitted in partial fulfillment of the requirement for the award of degree of Electronics SUBMITTED TO: SUBMITTED BY: www.studymafia.org www.studymafia.org www.studymafia.org Acknowledgement I would like to thank respected Mr…….. and Mr. ……..for giving me such a wonderful opportunity to expand my knowledge for my own branch and giving me guidelines to present a seminar report. It helped me a lot to realize of what we study for. Secondly, I would like to thank my parents who patiently helped me as i went through my work and helped to modify and eliminate some of the irrelevant or un-necessary stuffs. Thirdly, I would like to thank my friends who helped me to make my work more organized and well-stacked till the end. Next, I would thank Microsoft for developing such a wonderful tool like MS Word. It helped my work a lot to remain error-free. Last but clearly not the least, I would thank The Almighty for giving me strength to complete my report on time. www.studymafia.org Preface I have made this report file on the topic 8085 microprocessor; I have tried my best to elucidate all the relevant detail to the topic to be included in the report. While in the beginning I have tried to give a general view about this topic. My efforts and wholehearted co-corporation of each and everyone has ended on a successful note. I express my sincere gratitude to …………..who assisting me throughout the preparation of this topic. -
Computer Architectures an Overview
Computer Architectures An Overview PDF generated using the open source mwlib toolkit. See http://code.pediapress.com/ for more information. PDF generated at: Sat, 25 Feb 2012 22:35:32 UTC Contents Articles Microarchitecture 1 x86 7 PowerPC 23 IBM POWER 33 MIPS architecture 39 SPARC 57 ARM architecture 65 DEC Alpha 80 AlphaStation 92 AlphaServer 95 Very long instruction word 103 Instruction-level parallelism 107 Explicitly parallel instruction computing 108 References Article Sources and Contributors 111 Image Sources, Licenses and Contributors 113 Article Licenses License 114 Microarchitecture 1 Microarchitecture In computer engineering, microarchitecture (sometimes abbreviated to µarch or uarch), also called computer organization, is the way a given instruction set architecture (ISA) is implemented on a processor. A given ISA may be implemented with different microarchitectures.[1] Implementations might vary due to different goals of a given design or due to shifts in technology.[2] Computer architecture is the combination of microarchitecture and instruction set design. Relation to instruction set architecture The ISA is roughly the same as the programming model of a processor as seen by an assembly language programmer or compiler writer. The ISA includes the execution model, processor registers, address and data formats among other things. The Intel Core microarchitecture microarchitecture includes the constituent parts of the processor and how these interconnect and interoperate to implement the ISA. The microarchitecture of a machine is usually represented as (more or less detailed) diagrams that describe the interconnections of the various microarchitectural elements of the machine, which may be everything from single gates and registers, to complete arithmetic logic units (ALU)s and even larger elements. -
Lecture-1 an Overview of Microprocessor the First
Lecture-1 An Overview of Microprocessor The first question that comes in one’s mind is "What is a microprocessor?”. Let us start with a more familiar term computer. A digital computer is an electronic machine capable of quickly performing a wide variety of tasks. They can be used to compile, correlate, sort, merge and store data as well as perform complex calculations at much faster rate than human being by means of stored instructions. A digital computer is different from a general purpose calculator in a sense that digital computer is capable of operating according to the instructions that are stored within the computer whereas a calculator must be given instructions on a step by step basis to perform calculations. By this definition a programmable calculator can be considered a computer. Historically, digital computers have been categorized according to the size using the words large, medium, minicomputer and microcomputer. In the early years of development, the emphasis was on large and more powerful computers. Large and medium sized computers were designed to solve complex scientific and engineering problems. In early stage of development these computers were accessible and affordable only to large corporations, big universities and government agencies. Later on, minicomputers were made available for use in office, small collage, medium size business organization, small factory etc. As the technology has advanced from SSI to VLSI & SLSI, the face of the computer has changed gradually and it became possible to build the entire central processing unit (CPU) on a single-chip known as microprocessor. A control processing unit (CPU) with its related timing functions on a single chip known as microprocessor.