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VHDL DESIGN DEVELOPMENT TESTING


VHDL (VHSIC Hardware Description Language) is a hardware description language used in electronic design automation to describe digital and mixed-signal systems such as field-programmable gate arrays and integrated circuits.

VHDL : programming by example
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This is the fourth version of the book and this version now not only provides VHDL language coverage but design methodology information as well. This version will guide the reader through the process of creating a VHDL design, simulating the design, synthesizing the

VHDL : modular design and synthesis of cores and systems
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State machine design techniques for Verilog and VHDL
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Abstract†: Designing a synchronous finite state machine (FSM) is a common task for a digital logic engineer. This paper will discuss a variety of issues regarding FSM design using Synopsys Design Compiler1. Verilog and VHDL coding styles will be presented. Different

Digital fundamentals with VHDL
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By Thomas L. Floyd: Digital Fundamentals with VHDL abebooks digital fundamentals with vhdl 9780130995278 by thomas l floyd and a great selection of similar new used digital fundamentals with vhdl has 5 ratings and reviews adapted from floyds best selling digital

Performance analysis of a 32-bit multiplier with a carry-look-ahead adder and a 32-bit multiplier with a ripple adder using VHDL
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Abstract: This study presents a performance analysis of two different multipliers for unsigned data, one uses a carry-look-ahead adder and the second one uses a ripple adder. The studymain focus is on the speed of the multiplication operation on these 32-bit multipliers

Analog and mixed-signal modeling using the VHDLAMS language
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Analog and Mixed-Signal Modeling Using the VHDLAMS Language Design Automation Conference New

A structured VHDL design method
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All outputs are grouped into one entityspecific record type, declared in a global interface package Input ports are of output record types from other entities A local variable of the registered type is declared in the combinational processes to hold newly calculated values

A synthesizable VHDL coding of a genetic algorithm
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Abstract This paper presents the HGA, a genetic algorithm written in VHDL and intended for a hardware implementation. Due to pipelining, parallelization, and no function call overhead, a hardware GA yields a significant speedup over a software GA, which is

Program slicing on VHDL descriptions and its applications
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Abstract We propose applying program slicing to hardware description language VHDL ; program slicing is a technique developed in the software engineering eld, and it can extract all the sentences which have a certain dependence to a given sentence, and it can be

VHDL modeling of convolutional interleaver-deinterleaver for efficient FPGA implementation
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AbstractInterleaving along with error correction coding is an effective way to deal with different types of error in digital data communication. Error burst due to multipath fading and from other sources in a digital channel may be effectively combated by interleaving

Full transceiver circuit simulation using VHDLAMS
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This paper describes the successful simulation of a complete transceiver circuit with the new VHDLAMS standard. The aim was to verify the functionality and connectivity of a complete RF transceiver chip under actual application conditions. The transceiver circuit is dedicated

IAV: A VHDL methodology for FPGA implementation.
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Abstract In this paper, a flexible and compact architecture for implementing navigation approach of Intelligent Autonomous Vehicles (IAV) using a single SRAM-based Field Programmable Gate Array (FPGA) is introduced. To overcome the problem of navigation and

Digital electronics with VHDL Quartus II version
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For Digital Electronics courses requiring a comprehensive approach to Digital concepts with an emphasis on PLD programming and the integration of the latest Quartus II software. This text presents a step-by-step, practical approach to an enhanced and easy understanding of

A simple digital VHDL QPSK modulator designed using CPLD/FPGAs for biomedical devices applications
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Phase shift Keying (QPSK) modulator applied for implantable telemetry applications as demonstrated. VHDL programming code is used to generate QPSK digital signal. The input test signals data and carrier are interfaced to the CPLD and FPGAs board from Agilent

Simulation and implementation of Vedic multiplier using VHDL code
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Abstract-In a typical processor, Multiplication is one of the basic arithmetic operations and it requires substantially more hardware resources and processing time than 1. DESIGNERCONCERNS 1 1.1. Analog (Mixed-Mode Simulation) 1 1.2. Backannotation 2 1.3. Compatibility Problems Versus VHDL 87 3 1.4. Development Phase 3 1.5. Determinism 4 1.6. Device Modeling 4 1.7. Formal Proof. 4 1.8. Implementation Problems 5

A VHDL implementation of an on-board ACF application targeting FPGAs
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Abstract In December 1997, a NASA rocket flew from Svalbard (Spitzbergen) carrying a scientific application computer designed at the Space Science Centre, University of Sussex. The real time science measurements performed by this board is an autocorrelation function

A VHDL Primer
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VHDL is a hardware description language that can be used to model a digital system. It contains elements that can be used to describe the behavior or structure of the digital system, with the provision for specifying its timing explicitly. The language provides support

Performance analysis of different bit carry look ahead adder using vhdl environment
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Abstract-Adders are some of the most critical data path circuits requiring considerable design effort in order to squeeze out as much performance gain as possible. Various adder structures can be used to execute addition such as serial and parallel structures and most of

VHDLDIAG+: Value-level diagnosis of VHDL programs
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Abstract We describe the application of model-based diagnosis to the debugging of VHDL programs. In our previous work in VHDLbased software diagnosis, we have relied upon a very abstract representation to make it possible to diagnose fullsized applications (up to

Transient and permanent fault injection in VHDL description of digital circuits
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ABSTRACT The ability to evaluate the testability of digital circuits before they are actually implemented is critical for designing highly reliable systems. This feature enables designers to verify the fault detection capability of online as well as offline testable digital circuits for

On the reuse of VHDL modules into systemC designs
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Abstract More and more the SystemC description language is used to model and simulate new hardware designs. The need of integrating new designs with already existing modules may lead to the generation of heterogeneous models, specifications, based both on Abstract It is shown how a significant subset of VHDL has been deep embedded in HOL along with the four abstraction types of hardware: behavioral, structural, data, temporal. First, a method for simplifying deep embedding of languages in HOL is presented: derivation trees

Semantic validation of VHDLAMS by an abstract state machine
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Abstract This report presents a semantic analysis for VHDLAMS, a mixed-signal extension of VHDL based on an abstract state machine. Intended as a validation for the on-going standardization project, it faithfully reflects the view of simulation proposed. Our experiences

Clock gating on RT-level VHDL
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Clock gating is a technique that can be used to reduce the power dissipated by the clock net. In this paper we describe the operation of a tool that performs clock gating on RT-level VHDL by transforming VHDL descriptions before they are processed further by logic

VHDL modules and circuits for underwater optical wireless communication systems
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Abstract: Underwater wireless optical communication has been used for establish a link between mobile vehicles and/or fixed nodes because light, especially in the blue/green region, allows to achieve higher data-rate than acoustical or electromagnetic waves for

An empirical comparison of ANSI-C to VHDL compilers: SPARK, ROCCC and DWARV
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AbstractCustom computing machines combine the flexibility of the general purpose processor with the high performance of the application tailored hardware. This combination results in a computing platform that allows for performance improvements to a wide range of

A model driven engineering design flow to generate VHDL
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ABSTRACT The ModEasy project seeks to develop techniques and software tools to aid in the development of reliable microprocessor based electronic (embedded) systems using advanced development and verification systems. The tools are evaluated in domains such

A unified specification model of concurrency and coordination for synthesis from VHDL
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ABSTRACT This paper proposes a Unified Specification Model (USM) of concurrency and coordination compatible with VHDL . The specification model embodies a uniform treatment of computation, communication channels, and memories, facilitating its use across a variety

Hardware realization of biological mechanisms using VHDL and FPGAs
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ABSTRACT In this paper we present a hardware realization of a simplified blood-pressure regulation mechanism. The mechanism has been proposed and then modeled by using Hardware Description Language ( VHDL ). After verifying the simulation results, Computer

FPGA-Based BASK and BPSK Modulators Using VHDL : Design, Applications and Performance Comparison for Different Modulator Algorithms
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ABSTRACT This paper presents the simulation results of binary digital modulation schemes. In this paper, for BASK and BPSK modulation techniques used FPGA algorithm, multiplier dont using. If multiplier block is used for multiplication bit stream with carrier signal, used

Fuzzy based PID Controller using VHDL for transportation application
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(Proportional-Integral-Derivative) controller based on Fuzzy algorithm using VHDL to use in transportation cruising system. The cruising system with Fuzzy concept has developed to avoid the collisions between vehicles on the road. The developed Fuzzy Logic Controller

Ternary logic simulator using VHDL
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Abstract: Today, the complexity of binary digital hardware system is steadily increasing. Due to this fact, new approaches for efficiently describing and implementing the digital systems are investigated. Multivaluedlogic approach offers several advantages over existing binary

Delay comparison of 4 by 4 vedic multiplier based on different adder architectures using vhdl
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ABSTRACT This paper presents a delay comparison of two different multipliers for unsigned data, one uses a ripple carry and the second one uses a carry-lookahead adder. The 4 4 Vedic multiplier module using Urdhva Tiryakbhyam Sutra uses four 2 2 Vedic multiplier

VHDL modeling of a fuzzy coprocessor architecture
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Abstract-The main benefit of hardware fuzzy processors over software implementations is their higher performance. This advantage is greatly appreciated in real-time and embedded applications. The paper presents a VHDL modelling approach for synthesis of a possible

Creating virtual prototypes of complex MEMS transducers using reduced-order modelling methods and VHDLAMS
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Abstract In this chapter, the creation ofvirtual prototypesof complex micro- electromechanical transducers is presented. Creating these behavioural models can be partially automatised using a reduced-order modelling (ROM) method. It uses modal

RASSP VHDL modeling terminology and taxonomy-revision 1.0
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Abstract: VHDL modeling taxonomy and terminology conventions are emerging from the on- going efforts of the Terminology Working Group (TWG). Based upon examination and comparison of previously published modeling taxonomies, the working group is evolving a

Designing fuzzy based mobile robot controller using VHDL
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AbstractThis paper presents a designing of model for an autonomous mobile robot controller (MRC) hardware with navigation concept using Fuzzy Logic Algorithm (FLA). The MRC enables with navigation for an unstructured environment to avoid any encountered

ARDID: A Tool for the Quality Analysis of VHDL based Designs
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Abstract: In this paper, a tool developed to help in the VHDL design flow of complex systems on silicon is presented. This tool aims to help designers and Project Managers to improve the quality of their VHDL based designs. The tool includes functions oriented towards design

A study of the experimental validation of fault-tolerant systems using different VHDLbased fault injection techniques
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Study of the Experimental Validation of Fault-Tolerant Systems using different VHDLBased Fault Injection TechniquesJ.

Hardware description of multi-directional fast sobel edge detection processor by VHDL for implementing on FPGA
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ABSTRACT The VHDL is an appropriate Hardware Description Language (HDL) for providing hardware models of practical image processing algorithms. The aim of this paper is to present hardware architecture of Sobel edge detection algorithm for implementing on

Automatic generation of fault tolerant VHDL designs in RTL
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Abstract Fault Tolerance (FT) is an important issue in electronic devices. Detecting and even correcting internal faults during normal operation makes possible the usage of these circuits in critical applications. FT has been taken into account for many years during design process

A relational algebraic framework for VHDL models management
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Very High-Speed Integrated Circuit Hardware Description Language ( VHDL ) has been used as a design automation tool in all phases of modern very large-scale integrated (VLSI) design. However, complex relationships between components of real-world systems make COSPAN is a general-purpose software tool for coordination specification analysis [HaHK96]. Its premier application is for largely automated refinement verification and model- checking of finite-state systems, particularly controlintensive systems. These include

Recursive and repetitive hardware models in VHDL
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Abstract In this report, techniques for developing VHDL descriptions of recursive hardware structures are examined. In particular, both recursive and repetitive component instantiations are examined for modeling recursive structures. This report examines two example

Electromechanical modeling beyond VHDLAMS
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Abstract Analytical modeling for electromechanics sometimes requires features like the representation of bended structures, the inclusion of (moving) boundary conditions or spatial integrations and differentiations. All these points are currently not directly addressed in

VHDL models of digital combinatorial circuits on the current-mode gates
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ABSTRACT: This paper deals with problems of logical level designing, modelling and simulations of digital, combinatorial circuits, which are based on the current mode gates new digital elements operating with constant, continuous power supply current. For the

VHDL Design and FPGA Implementation of a Parallel Reed-Solomon (15, K, D) Encoder/Decoder
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AbstractIn this article, we propose a Reed Solomon error correcting encoder/decoder with the complete description of a concrete implementation starting from a VHDL description of this decoder. The design on FPGA of the (15, k, d) Reed Solomon decoder is studied and

Debugging synthesizeable VHDL programs
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Abstract This paper describes the use of model-based diagnosis for locating bugs in hardware designs. We restrict our view to hardware designs written in a subset of the commonly used hardware description language VHDL . This subset includes all

Automatic generation of average models for power electronics systems in VHDLAMS and modelica modelling languages
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Abstract Models of Power electronic converters are useful in a large set of studies. They are used for component sizing, as well for control adjustment, control or behaviour simulation. In this context, average models are a good compromise between complexity,

Modeling, simulation and synthesis: From Simulink to VHDL generated hardware
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ABSTRACT Today, many systems designers use software tools such as Matlab to model a complex, mixed-technology system prior to physically building and testing the system. These tools, along with their associated toolboxes provide an effective means for the initial

Using a VHDL Testbench for Transistor-Level Simulation and Energy Calculation.
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This paper describes a procedure to simulate a transistor-level design using a VHDL testbench. Specifically, the VHDL testbench reads the transistor- level designoutputs and supplies the inputs accordingly. This setup also allows the testbench to check for functional

Requirements and Verifications through an extension of VHDLAMS.
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Abstract VHDLAMS is not a specification language. It allows behaviour specification of a system but it is unable to specify constraints and performances corners over any implementation. This paper proposes a first approach to extend VHDLAMS in order to use it

Building up chips using VHDL and Synthesis
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Five hardware designers at IKOS Systems Inc.(Cupertino, CA) recently completed the design of the companynext-generation hardware accelerator, called Nsim. A pure VHDL methodology was used to build four complex ASICs in less than 18 months. None of the

Modeling custom hardware in VHDL
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Abstract This report focuses on models for describing Hardware at di erent refinement levels within High Level Synthesis ow: SFSMD, FSMD and FSM Controlling Datapath. Simple data interfaces are often needed in these models. The hardware description language VHDL is

Verification and fault localization for VHDL programs
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During the last decades, hardware-design languages like Verilog and VHDL have become very common for designing digital circuits. These languages allow designers to specify and test the behavior of circuits before they are produced. This helps to avoid incorrect designs

SUAVE Proposal for Extensions to VHDL for High-Level Modeling
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Abstract Designers are increasingly using VHDL for high-level modeling. However, their task is hindered by the lack of object-oriented and genericity features in the language. Experience in programming languages shows that these features significantly aid

Energy-based characterization of microelectromechanical systems (MEMS) and component modeling using VHDLAMS
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ABSTRACT This paper presents an approach to defining and characterizing component models that promotes the establishment of reusable intellectual property (IP) for microelectromechanical systems (MEMS), in particular, and composite microsystems, in

VHDLbased Fault Injection with VERIFY
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Abstract-This paper describes a new methodology to inject transient and permanent faults in digital systems. For this purpose, the simulation based fault injector VERIFY ( VHDLbased Evaluation of Reliability by Injecting Faults efficientlY) has been developed, which allows

VHDL based fixed-point digital signal processing algorithm development software
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Abstract Software for the development of xed-point digital signal processing algorithms is developed based on VHDL . 7hree different VHDL programs, which employ oatingbpoint, pseudo xed-point, and xed-point data types, are generated from a signal ow block

ELECTRONICS COMPONENTS SALES AND SERVICE-INTEGRATED CIRCUIT-ANALOG, DIGITAL, DSP, RF IC, WIRLESS IC, VLSI, CAPACITOR, RESISTOR, INDUCTOR, PCB, MODULE, SENSOR