Philippe Darche "Microprocessor 5"

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Series Editor

Jean-Charles Pomerol

Microprocessor 5

Software and Hardware Aspects of Development, Debugging and Testing – The Microcomputer

Philippe Darche

First published 2020 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc.

Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned address:

ISTE Ltd

27-37 St George’s Road

London SW19 4EU

UK

www.iste.co.uk (https://www.iste.co.uk)

John Wiley & Sons, Inc.

111 River Street

Hoboken, NJ 07030

USA

www.wiley.com (https://www.wiley.com)

В© ISTE Ltd 2020

The rights of Philippe Darche to be identified as the author of this work have been asserted by him in accordance with the Copyright, Designs and Patents Act 1988.

Library of Congress Control Number: 2020943158

British Library Cataloguing-in-Publication Data

A CIP record for this book is available from the British Library

ISBN 978-1-78630-651-7

Quotation

Every advantage has its disadvantages and vice versa.

Shadokian philosophy

(#ulink_07f90940-467c-511f-a096-e7570b99c739)

1 1 (#ulink_9eb92b54-1985-58c5-bbd2-0ea3499b4e5e) The Shadoks are the main characters from an experimental cartoon produced by the Research Office of the Office de Radiodiffusion-Télévision Française (ORTF). The twominute-long episodes of this daily cult series were broadcast on ORTF’s first channel (the only one at the time!) beginning in 1968. The birds were drawn simply and quickly using an experimental device called an animograph.The Shadoks are ridiculous, stupid and mean. Their intellectual capacities are completely unusual. For example, they are known for bouncing up and down, but it is not clear why! Their vocabulary consists of four words: GA, BU, ZO and MEU, which are also the four digits in their number system (base 4) and the musical notes in their four-tone scale. Their philosophy is comprised of famous mottos such as the one cited in this book.

Preface

Computer systems (hardware and software) are becoming increasingly complex, embedded and transparent. It therefore is becoming difficult to delve into basic concepts in order to fully understand how they work. In order to accomplish this, one approach is to take an interest in the history of the domain. A second way is to soak up technology by reading datasheets for electronic components and patents. Last but not least is reading research articles. I have tried to follow all three paths throughout the writing of this series of books, with the aim of explaining the hardware and software operations of the microprocessor, the modern and integrated form of the central unit.

About the book

This five-volume series deals with the general operating principles of the microprocessor. It focuses in particular on the first two generations of this programmable component, that is, those that handle integers in 4- and 8-bit formats. In adopting a historical angle of study, this deliberate decision allows us to return to its basic operation without the conceptual overload of current models. The more advanced concepts, such as the mechanisms of virtual memories and cache memory or the different forms of parallelism, will be detailed in a future book with the presentation of subsequent generations, that is, 16-, 32- and 64-bit systems.

The first volume addresses the field’s introductory concepts. As in music theory, we cannot understand the advent of the microprocessor without talking about the history of computers and technologies, which is presented in the first chapter. The second chapter deals with storage, the second function of the computer present in the microprocessor. The concepts of computational models and computer architecture will be the subject of the final chapter.

The second volume is devoted to aspects of communication in digital systems from the point of view of buses. Their main characteristics are presented, as well as their communication, access arbitration, and transaction protocols, their interfaces and their electrical characteristics. A classification is proposed and the main buses are described.

The third volume deals with the hardware aspects of the microprocessor. It first details the component’s external interface and then its internal organization. It then presents the various commercial generations and certain specific families such as the Digital Signal Processor (DSP) and the microcontroller. The volume ends with a presentation of the datasheet.