Most of this work came into being during my employment at the Chair for Electron Devices and Circuits in the Electronics Engineering department of the Gerhard-Mercator University, Duisburg. Section covers material that I have worked onfor my current employer, Infineon Technologies. | Mechatronic Systems This Page Intentionally Left Blank Mechatronic Systems Modelling and Simulation with HDLs Georg Pelz Infineon Technologies, Munich, Germany Translated by Rachel Waddington Member of the Institute of Translation and Interpreting First published under the title Modellierung und Simulation mechatronischer Systeme — vom Chip zum Systementwurf mit Hardwarebeschreibungssprachen H¨ thig-Verlag, Heidelberg, 2001 u All Rights reserved Authorized translation from German language edition published by H¨ thig-Verlag u Copyright 2003 John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ, England Telephone (+44) 1243 779777 Email (for orders and customer service enquiries): cs-books@ Visit our Home Page on or All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except under the terms of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London W1T 4LP, UK, without the permission in writing of the Publisher. Requests to the Publisher should be addressed to the Permissions Department, John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ, England, or emailed to permreq@, or faxed to (+44) 1243 770620. This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. It is sold on the understanding that the Publisher is not engaged in rendering professional services. If professional advice or other expert assistance is required, the services of a competent professional should be sought. Other Wiley Editorial Offices John Wiley & Sons Inc., 111 River Street, Hoboken, NJ 07030, USA Jossey-Bass, 989 Market Street, San Francisco, CA 94103-1741,