rtl-register-transfer level


register-transfer level (RTL) is a design abstraction which models digital circuit

Power reduction through RTL clock gating
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ABSTRACT This paper describes a design methodology for reducing ASIC power consumption through use of the RTL clock gating feature in Synopsys Power Compiler. This feature causes inactive clocked elements to have clock gating logic automatically inserted

Efficient sequential ATPG for functional RTL circuits
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Abstract We present an efficient register-transfer level automatic test pattern generation (ATPG) algorithm. First, our ATPG generates a series of sequential justification and propagation paths for each RTL primitive via a deterministic branch-and-bound search

C-based Interactive RTL Design Methodology
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Abstract Much effort in RTL design has been devoted to developingpush-buttontypes of tools. However, given the highly complex nature of RTL design, interactive design space exploration with assistance of tools and algorithms can be more effective. In this report, we

Seismicity pattern changes prior to large earthquakes-An approach of the RTL algorithm
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A statistical method, which is called the Region-Time-Length ( RTL ) algorithm and takes into account information such as magnitude, occurrence time and place of earthquakes, was applied to earthquake data to investigate seismicity pattern changes prior to large

Methodology for repeater insertion management in the RTL layout, floorplan and fullchip timing databases of the Itanium microprocessor
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Page 1. 99 Methodology for Repeater Insertion Management in the RTL Layout, Floorplan and Fullchip Timing Databases of the Itanium Microprocessor Rory McInerney Kurt Leeper Troy Hill Intel Corp. Intel Corp. Intel Corp. SC12-408 SC12-405 RA2-350Intel Corp. Intel Corp. Intel

Red thermoluminescence ( RTL ) in volcanic quartz: development of a high sensitivity detection system and some preliminary ndings
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Abstract: As part of a general study exploring the suitability of the RTL of quartz for dating volcanic events, a modied RisaI Reader apparatus has been assembled and tested. Modication consisted of an alternative, cooled photomultiplier, and the incorporation of

RTL Coding Styles That Yield Simulation and Synthesis Mismatches
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ABSTRACT This paper details, with examples, Verilog coding styles that will cause a mismatch between preand post-synthesis simulations. Frequently, these mismatches are not discovered until after silicon has been generated, and thus require the design to be re-

Formal verification of floating-point RTL at AMD using the ACL2 theorem prover
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Abstract-We describe a methodology for the formal verification of the correctness, including IEEE-compliance, of register-transfer level models of floating-point hardware designs, and its application to the floating-point units of a series of commercial microprocessors produced

RTL : reduced texture spectrum with lag value based image retrieval for medical images
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Abstract Medical images have become the recent key investigation tools for medical diagnosis and treatment planning. Due to the advent of digital imaging the need of data storage and retrieval of medical images increased rapidly. Some difficulties in retrieving the

Optimized RTL design and implementation of LZW algorithm for high bandwidth applications
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Abstract. This paper presents a high-speed low-complexity Register Transfer Logic ( RTL ) design and implementation of the lossless Lempel-Ziv-Welch (LZW) algorithm on Xilinx Virtex II device family for High Bandwidth Applications. Comparative analysis of the

RTL emulation: the next leap in system verification
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To answer the second question, semiconductor fabrications can now put millions of logic gates on a single chip using deep sub-micron technology. This rapid increase in the complexity of chips and systems has outstripped traditional verification techniques. This is

Guest editors introduction: RTL to GDSII-from foilware to standard practice
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University of California, San Diego ically correct or 100% layout-rule correct if it doesnt meet timing constraints. Traditionally, static timing analysis was run at the beginning of the process at a milestone called RTL handoff, and at the end of the flow at a mask sign-off

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 FSM extractor for HDL description at RTL level
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Abstract Due to the increasing complexity of modern circuit designs, HDL based design methodology is getting popular. Because Finite State Machines (FSMs) and datapaths have significantly different properties, dealing them with two different ways is a trend of many CAD

Observation-Point Selection at the Register – Transfer Level to Enhance Defect Coverage for Functional Test Sequences
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Functional test sequences for manufacturing test are typically derived from test sequences used for design verification. Since long verification test sequences cannot be used for manufacturing test due to test-time constraints, functional test sequences often suffer from

Power Macro-modelling for IP-based Digital Systems at Register Transfer Level
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In the VLSI (Very Large Scale Integration) chip design performance, area, reliability and cost have historically been the major considerations. In early VLSI design, the motivation was to find acceptable balance among these often conflicting considerations. But recently, low

High- level modeling and hardware implementation with general-purpose languages and high- level synthesis
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state of the design art, there is a large discontinuity somewhere between the architectural model and the complete design representation, due to the simple fact that the downstream tool flow requires the design representation to be in an HDL at a register transfer level , but the

ACAP: Binary synthesizer based on MIPS object codes
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Abstract This paper presents a binary synthesizer ACAP, which synthesizes register transfer level HDL from MIPS object codes. It has three operation modes; (1) a separate compilation mode, in which selected subprograms

Transaction level modeling in system level design
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In this model, computation components(PEs) are pin accurate and execute cycle-accurately. The custom hardwares are modeled at register – transfer level and programmable processors are modeled in terms of instruction set architecture

Computer architecture simulation using a register transfer language
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Page 3. 2 .1 .6 . DTMS 15 2 .1 .7 . CONLAN 17 2 .2 . Levels of Hardware Description 17 2 .2 .1 . Circuit Level 18 2 .2 .2 . Logic Gate Level 18 2 .2 .3 . Register Transfer Level 19 2 .2 .3 .1 . Structure Level 19 2 .2 .3 .2 . Functional Level 19 2 .2 .3 .3 . Behavior Levellarge-scale systems. This task is time-consuming, tedious, and error-prone. One way to make it easier is to enter models in an RTL ( register – transfer – level ) language with structured pro- gramming constructs. Even then, the complexity

SYNTEST: an environment for system- level design for test.
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Although this approach work for small cir- cuits; it require costly design modi cations at the register – transfer level (RTL) The frame contains four options (buttons), notably the behavior, scheduler, al- locator, and the register – transfer level optimizer

The Effects of False Paths in High- Level Synthesis.
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Another effect of not eliminating false paths during scheduling is that logic paths which are not sensitizable be present in the final register – transfer level descrip- bud HIS generated a register – transfer level description, which was then passed to LSS for logic synthesis

The knowledge level
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Register – Transfer SubleveL Logic Circuit Sublevel Circuit Level Device Level Logic Level Fig This accounts for both symbol level and register transfer level systems having configuration (PMS) level abstractions (see for a PMS approach to the register – transfer level )

Detection of Stuck at Fault Indigital Circuits at Register Transfer Logic (RTL)
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Most efforts are to verify the correctness of the initial Register – Transfer Level (RTL) descriptions written in Hardware Description Language (HDL).Major drawback of high level design methodologies such as RTL can be seen in the following facts

The System Architects Workbench.
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Results are presented here for both approaches. Introduction Recently, considerable research effort has been directed toward the synthesis of register transfer level designs from abstract behavioral descriptions [McFarland8 Pangrle8 Parker8 Paulin86]

A CCMPARATIVE HARMJARE-SOFTWARE DESIGN STUDY USING DEC* REGISTER TRANSFER MODULES CG B ell Professor of Computer Science
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A set of register transfer level modules for digital system design is described RPfs are a set of about 20 asynchronous modules for build- ing digital systems at the register transfer level of design. Four general types of modules are used: 1. 2. 3. 4Abstract In this article we present a structured approach to formal hardware verification by modeling circuits at the register – transfer level using a restricted form of higher-order logic. This restricted form of higher-order logic is

Experiences using a novel Python-based hardware modeling framework for computer architecture test chips
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Goal of tapeout was to demonstrate the ability of this framework to enable Agile hardware design flows Describes a taped-out 2×2 mm 1.3M-transistor test chip in IBM 130nm designed and implemented using PyMTL, a novel Python-based hardware modeling framework 1. Incremental

Specfic methodology for high- level modeling
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1 Introduction The generic SpecC methodology follows a top-down approach. A high- level , abstract specification of the intended system is step-wise refined down to a clock-cycle accurate implementation at the register transfer level (RTL)

Abstracting from Register – Transfer to Algorithmic Level for Verification.
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To exploit the advantages of the verification at algorithmic level also for RTL designs the designs must be abstracted to this level first. This abstraction is based on the inputoutput scheme of the RTL design. In this article it is shown how a generalized inputoutput scheme

A register – transfer descriptive language and simulator for digital networks
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Abstract: A computer hardware descriptive language was developed to describe digital networks at the Register – Transfer level v Page 11. X ABSTRACT A computer hardware descriptive language was developed to describe digital networks at the Register – Transfer level

Formal verification of floating-point RTL at AMD using the ACL2 theorem prover
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Abstract We describe a methodology for the formal ver- ification of the correctness, including IEEE-compliance, of register – transfer level models of floating-point hardware de- signs, and its application to the floating-point units of a series of commercial microprocessors (1) a collection of communicating algorithms described according to high- level programming concepts, (2) hardware modules modeled at the register – transfer level , or (3) processors executing microcode and/or macrocode specified at the register transfer level bytes Page 16. FROM HIGH- LEVEL DESCRIPTIONS TO VLSI CIRCUITS 635 TRANSITION copy(from, to: register ); transfer ~> ~ to.r[ww- 1] := from.r >> {0(= i ww-l:~ to.r[i] := to.r[i+ 1] ~> } 0(= i ww-l:~ from.r[i] := from.r[i+ 1] ~> }

Algorithmic Layout of Gate Macros
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Page 2. 238 Daniel D. Gajski, 4vinoam BilgoPy and Joseph Luhukay tnacros generated Rt the register transfer level . High- level language constructs like DO loops and IF statements are allowed in the input language. However, only Boolean scalars, vectors and strings are The Search for SystemC TLM Raising the level of CMOS digital design abstraction from gate- level and schematic capture to Register – Transfer – Level (RTL) has enabled a fundamental breakthrough in digital circuit design in the 1980s and 1990s

The BSD Packet Filter: A New Architecture for User- level Packet Capture.
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The CSPF filtering mechanism was intended to support efficient protocol demultiplexing for user- level network code The packet is discarded entirely if the filter returns 0. 6. Miscellaneous Instructions comprise everything else currently, register transfer instructions

Analysis and Evaluation of Register Transfer Logic Software Defined Radio Performance
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13 Executive Summary The objective of this project was to determine the performance characteristics of the hobbyist- level Register Transfer Logic Software Defined Radios (RTL-SDRs) as compared to the commercial- level Ettus Universal Software Radio Peripheral (USRP)

The Description and Use of Register – Transfer Modules (RTMs)@
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In the design of digital systems (eg, computers) the problem formulation and the design solution are most likely carried out at a register – transfer concept level . Early and recent texts on logical and computer design discuss the

A test synthesis technique using redundant register transfers
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1. Introduction The need for fast time-to-market and increased productivity have motivated research towards high- level design and test (be- havioral and register – transfer level (RTL)) [WagDey96]. De- sign for Test (DFT) techniques

Debugging synthesizeable VHDL programs
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This subset includes all synthesizeable ( register transfer level ) programs. This are programs which can be automatically converted into a gate level description without changing their behavior (4) The approach is applicable to VHDL register transfer level (RTL) programs

HW/SW partitioning using high level metrics
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Other techniques like analyse the descriptions on register transfer level (RTL) by investigating the graph of boolean networks (BN). For those graphs, structural metrics like number of nodes, edges, fan-in, and fan-out are derived

Improving interconnect and register allocation for the behavioral synthesis of digital circuits.
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The inspiration to try a wei;ht-directed approach io register and interconnec allocation came 2.3 Synth sis Of RegisteÔr Transfer Level Circuits 2.3.1 Phase 1: Problem3pccification 2.3.2 Phase 2: Qata Path Synthesie . 2.3.3 Phase 3: Control-Path Syntfiesis The proposed techniques are also applicable to various levels of design abstraction, with some of them working to protect register transfer or gate- level IPs and others working to secure an IC layout. A brief outline of the book is provided below

Appeared in the Proceedings of
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Register Transfer Modules (RTM) is one basic set of modules for digital systems design at the register transfer level ; these modules have been implemented by DEC. The design of RTMs has been influenced by many of the above approaches and disciplines

Clock Gated Low Power 64-Bit Register Design
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Transfer Level , Register , LUT, Buffer. *Software Lab,Shri Ram College of Engineering Management, Banmore, Morena, India Page 2 B. RTL Schematic of 64-bit Register RTL is Register Transfer Level schematic. That display how this design will transfer on[16] A. Raghunathan, S. Dey, and NK Jha, Register – transfer level estimation techniques for switching activity and power con- sumption, in Proceedings of IEEE/ACM International Confer- ence on Computer-Aided Design (ICCAD 96), pp A cir- cuit is composed of atomic components, which are never split in the partitioning process, eg a 32 bit adder consists of 32 one bit full adders at register transfer le- vel, while on gate level it consists of atoms like and-gates, or-gates, and inverters Methods of Automatic Data Path Synthesis by D. Thomas, CY Hitchcock, TJ Kowalski, JV Rajan, and RA Walker compares the expert system approach and the algorithmic approach, the second and third schools, in register – transfer – level design (Figure 5). In ad- dition, the

Employing Linear Feedback Shift Register as a New Hardware Tro and Extending ML-FASTrust Method as its Detection Algorithm
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NO. APRIL 217 employing register transfer level information flow tracking is proposed by adding a security label to each signal and track the influence of flow of that signal throughout the circuit. However, this method

Efficient sequential ATPG for functional RTL circuits
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Department of ECE, Virginia Tech, Blacksburg, VA, £ liang, hsiao¤ @vt.edu ¢ Fujitsu Labs. of America Inc., Sunnyvale, CA, ighosh@fla.fujitsu.com Abstract We present an efficient register – transfer level automatic test pattern generation (ATPG) algorithm Cambridge. To date, some important propemes of a register – transfer level model of Viper, relative to a more abstract functional specification, have been proved (by the author) using the HOL proof generating system. Verified

Reliability-driven High- level Synthesis Algorithms for Distributed- register SoC Architectures
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designing complicated systems or ICs. Conventional IC design flow begins with a register – transfer – level (RTL) description which is written by designers with consideration for synchronization by a clock signal. In a design flow using