The Verilog® Hardware Description Language


Book Description

XV From the Old to the New xvii Acknowledgments xx| Verilog A Tutorial Introduction Getting Started 2 A Structural Description 2 Simulating the binaryToESeg Driver 4 Creating Ports For the Module 7 Creating a Testbench For a Module 8 Behavioral Modeling of Combinational Circuits 11 Procedural Models 12 Rules for Synthesizing Combinational Circuits 13 Procedural Modeling of Clocked Sequential Circuits 14 Modeling Finite State Machines 15 Rules for Synthesizing Sequential Systems 18 Non-Blocking Assignment ("




Principles of Verifiable RTL Design


Book Description

System designers, computer scientists and engineers have c- tinuously invented and employed notations for modeling, speci- ing, simulating, documenting, communicating, teaching, verifying and controlling the designs of digital systems. Initially these s- tems were represented via electronic and fabrication details. F- lowing C. E. Shannon’s revelation of 1948, logic diagrams and Boolean equations were used to represent digital systems in a fa- ion that de-emphasized electronic and fabrication detail while revealing logical behavior. A small number of circuits were made available to remove the abstraction of these representations when it was desirable to do so. As system complexity grew, block diagrams, timing charts, sequence charts, and other graphic and symbolic notations were found to be useful in summarizing the gross features of a system and describing how it operated. In addition, it always seemed necessary or appropriate to augment these documents with lengthy verbal descriptions in a natural language. While each notation was, and still is, a perfectly valid means of expressing a design, lack of standardization, conciseness, and f- mal definitions interfered with communication and the understa- ing between groups of people using different notations. This problem was recognized early and formal languages began to evolve in the 1950s when I. S. Reed discovered that flip-flop input equations were equivalent to a register transfer equation, and that xvi tor-like notation. Expanding these concepts Reed developed a no- tion that became known as a Register Transfer Language (RTL).




The Designer’s Guide to Verilog-AMS


Book Description

The Verilog Hardware Description Language (Verilog-HDL) has long been the most popular language for describing complex digital hardware. It started life as a prop- etary language but was donated by Cadence Design Systems to the design community to serve as the basis of an open standard. That standard was formalized in 1995 by the IEEE in standard 1364-1995. About that same time a group named Analog Verilog International formed with the intent of proposing extensions to Verilog to support analog and mixed-signal simulation. The first fruits of the labor of that group became available in 1996 when the language definition of Verilog-A was released. Verilog-A was not intended to work directly with Verilog-HDL. Rather it was a language with Similar syntax and related semantics that was intended to model analog systems and be compatible with SPICE-class circuit simulation engines. The first implementation of Verilog-A soon followed: a version from Cadence that ran on their Spectre circuit simulator. As more implementations of Verilog-A became available, the group defining the a- log and mixed-signal extensions to Verilog continued their work, releasing the defi- tion of Verilog-AMS in 2000. Verilog-AMS combines both Verilog-HDL and Verilog-A, and adds additional mixed-signal constructs, providing a hardware description language suitable for analog, digital, and mixed-signal systems. Again, Cadence was first to release an implementation of this new language, in a product named AMS Designer that combines their Verilog and Spectre simulation engines.




Verilog — 2001


Book Description

The IEEE 1364-2001 standard, nicknamed `Verilog-2001', is the first major update to the Verilog language since its inception in 1984. This book presents 45 significant enhancements contained in Verilog-2001 standard. A few of the new features described in this book are: ANSI C style port declarations for modules, primitives, tasks and functions; Automatic tasks and functions (re-entrant tasks and recursive functions); Multidimensional arrays of any data type, plus array bit and part selects; Signed arithmetic extensions, including signed data types and sign casting; Enhanced file I/O capabilities, such as $fscanf, $fread and much more; Enhanced deep submicron timing accuracy and glitch detection; Generate blocks for creating multiple instances of modules and procedures; Configurations for true source file management within the Verilog language. This book assumes that the reader is already familiar with using Verilog. It supplements other excellent books on how to use the Verilog language, such as The Verilog Hardware Description Language, by Donald Thomas and Philip Moorby (Kluwer Academic Publishers, ISBN: 0-7923-8166-1) and Verilog Quickstart: A Practical Guide to Simulation and Synthesis, by James Lee (Kluwer Academic Publishers, ISBN: 0-7923-8515-2).




The Verilog PLI Handbook


Book Description

The Verilog Programming Language Interface, commonly called the Verilog PU, is one of the more powerful features of Verilog. The PU provides a means for both hardware designers and software engineers to interface their own programs to commercial Verilog simulators. Through this interface, a Verilog simulator can be customized to perform virtually any engineering task desired. Just a few of the common uses of the PU include interfacing Veri log simulations to C language models, adding custom graphical tools to a simulator, reading and writing proprietary file formats from within a simulation, performing test coverage analysis during simulation, and so forth. The applications possible with the Verilog PLI are endless. Intended audience: this book is written for digital design engineers with a background in the Verilog Hardware Description Language and a fundamental knowledge of the C programming language. It is expected that the reader: Has a basic knowledge of hardware engineering, specifically digital design of ASIC and FPGA technologies. Is familiar with the Verilog Hardware Description Language (HDL), and can write models of hardware circuits in Verilog, can write simulation test fixtures in Verilog, and can run at least one Verilog logic simulator. Knows basic C-language programming, including the use of functions, pointers, structures and file I/O. Explanations of the concepts and terminology of digital




Real Chip Design and Verification Using Verilog and VHDL


Book Description

This book concentrates on common classes of hardware architectures and design problems, and focuses on the process of transitioning design requirements into synthesizable HDL code. Using his extensive, wide-ranging experience in computer architecture and hardware design, as well as in his training and consulting work, Ben provides numerous examples of real-life designs illustrated with VHDL and Verilog code. This code is shown in a way that makes it easy for the reader to gain a greater understanding of the languages and how they compare. All code presented in the book is included on the companion CD, along with other information, such as application notes.




A New Paradigm of Knowledge Engineering by Soft Computing


Book Description

Soft computing (SC) consists of several computing paradigms, including neural networks, fuzzy set theory, approximate reasoning, and derivative-free optimization methods such as genetic algorithms. The integration of those constituent methodologies forms the core of SC. In addition, the synergy allows SC to incorporate human knowledge effectively, deal with imprecision and uncertainty, and learn to adapt to unknown or changing environments for better performance. Together with other modern technologies, SC and its applications exert unprecedented influence on intelligent systems that mimic human intelligence in thinking, learning, reasoning, and many other aspects. Knowledge engineering (KE), which deals with knowledge acquisition, representation, validation, inferencing, explanation, and maintenance, has made significant progress recently, owing to the indefatigable efforts of researchers. Undoubtedly, the hot topics of data mining and knowledge/data discovery have injected new life into the classical AI world. This book tells readers how KE has been influenced and extended by SC and how SC will be helpful in pushing the frontier of KE further. It is intended for researchers and graduate students to use as a reference in the study of knowledge engineering and intelligent systems. The reader is expected to have a basic knowledge of fuzzy logic, neural networks, genetic algorithms, and knowledge-based systems. Contents: Knowledge Engineering and Soft Computing OCo An Introduction (L-Y Ding); Fuzzy Knowledge-Based Systems: Linguistic Integrity: A Framework for Fuzzy Modeling OCo AFRELI Algorithm (J Espinosa & J Vandewalle); A New Approach to Acquisition of Comprehensible Fuzzy Rules (H Ohno & T Furuhashi); Fuzzy Rule Generation with Fuzzy Singleton-Type Reasoning Method (Y Shi & M Mizumoto); Antecedent Validity Adaptation Principle for Table Look-Up Scheme (P-T Chan & A B Rad); Fuzzy Spline Interpolation in Sparse Fuzzy Rule Bases (M F Kawaguchi & M Miyakoshi); Revision Principle Applied for Approximate Reasoning (L-Y Ding et al.); Handling Null Queries with Compound Fuzzy Attributes (S-L Wang & Y-J Tsai); Fuzzy System Description Language (K Otsuka et al.); Knowledge Representation, Integration, and Discovery by Soft Computing: Knowledge Representation and Similarity Measure in Learning a Vague Legal Concept (M Q Xu et al.); Trend Fuzzy Sets and Recurrent Fuzzy Rules for Ordered Dataset Modelling (J F Baldwin et al.); Approaches to the Design of Classification Systems from Numerical Data and Linguistic Knowledge (H Ishibuchi et al.); A Clustering Based on Self-Organizing Map and Knowledge Discovery by Neural Network (K Nakagawa et al.); Probabilistic Rough Induction (J-Z Dong et al.); Data Mining via Linguistic Summaries of Databases: An Interactive Approach (J Kacprzyk & S Zadrozny); and other papers. Readership: Graduate students, researchers and lecturers in knowledge engineering and soft computing."




System on Chip Design Languages


Book Description

This book is the third in a series of books collecting the best papers from the three main regional conferences on electronic system design languages, HDLCon in the United States, APCHDL in Asia-Pacific and FDL in Europe. Being APCHDL bi-annual, this book presents a selection of papers from HDLCon'Ol and FDL'OI. HDLCon is the premier HDL event in the United States. It originated in 1999 from the merging of the International Verilog Conference and the Spring VHDL User's Forum. The scope of the conference expanded from specialized languages such as VHDL and Verilog to general purpose languages such as C++ and Java. In 2001 it was held in February in Santa Clara, CA. Presentations from design engineers are technical in nature, reflecting real life experiences in using HDLs. EDA vendors presentations show what is available - and what is planned-for design tools that utilize HDLs, such as simulation and synthesis tools. The Forum on Design Languages (FDL) is the European forum to exchange experiences and learn of new trends, in the application of languages and the associated design methods and tools, to design complex electronic systems. FDL'OI was held in Lyon, France, around seven interrelated workshops, Hardware Description Languages, Analog and Mixed signal Specification, C/C++ HW/SW Specification and Design, Design Environments & Languages, Real-Time specification for embedded Systems, Architecture Modeling and Reuse and System Specification & Design Languages.




System-Level Synthesis


Book Description

System-Level Synthesis deals with the concurrent design of electronic applications, including both hardware and software. The issue has become the bottleneck in the design of electronic systems, including both hardware and software, in several major industrial fields, including telecommunications, automotive and aerospace engineering. The major difficulty with the subject is that it demands contributions from several research fields, including system specification, system architecture, hardware design, and software design. Most existing book cover well only a few aspects of system-level synthesis. The present volume presents a comprehensive discussion of all the aspects of system-level synthesis. Each topic is covered by a contribution written by an international authority on the subject.