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Synopsys and Xilinx Deliver HDL Coding Guidelines for FPGAs

MOUNTAIN VIEW, Calif.----Oct. 26, 2000--Synopsys, Inc.(Nasdaq:SNPS), the technology leader for complex IC design and Xilinx, Inc. (Nasdaq:XLNX) the programmable logic leader, today announced availability of the Xilinx® Coding Style 1.0 policy for Synopsys' LEDA® family of hardware description language (HDL) checkers.

The policy is a source file that is used to configure the LEDA checkers. It contains the critical coding-style rules necessary to ensure the design quality and workmanship needed to prevent design flow bottlenecks in downstream tools, and optimize implementation area and performance for Xilinx field programmable gate arrays (FPGAs). The coding-style policy will also improve the team design process by guiding engineering coding styles, such that they are more portable and compliant with established design reuse practices. Finally, using LEDA with the Xilinx Coding policy will help facilitate the migration of application specific integrated circuit (ASIC) designs into FPGAs, enabling faster time to market and more efficient design prototyping.

``Xilinx regards partnering with Synopsys on this initiative as a critical step to help designers optimize their HDL coding styles when targeting to Xilinx FPGAs,'' said Rich Sevcik, senior vice president of IP, support and software at Xilinx. ``The LEDA technology will help ASIC designers realize the time to market, density, and performance benefits that Xilinx FPGAs now offer. The Xilinx coding style policy for LEDA will guide ASIC designers on the subtle coding style differences required for maximizing performance in Xilinx programmable devices.''

The first version of Xilinx coding style policy for LEDA is comprised of a special set of rules that includes Xilinx-provided, FPGA-specific rules and FPGA-applicable rules, derived from the 300+ rules pre-packaged with Synopsys' LEDA programmable HDL checker. These rules check for common mistakes and poor design practices related to things like treatment of module inputs and outputs, resets, inadvertent inferencing of latches, gating of clocks, etc. Xilinx determined these rules to be critical for ensuring a smooth design flow and maximizing performance from its newest architectures, such as Virtex. Xilinx also customized the error-messages and documentation for these rules to give designers additional guidance for optimizing different tool-execution options and selecting microarchitecture-level components.

``Since we released the Reuse Methodology Manual (RMM) and OpenMORE guidelines back in 1998, Synopsys has led the EDA industry in providing design reuse solutions for ASIC designers'' said John Chilton, senior vice president and general manager of the IP and Systems Group at Synopsys. ``Synopsys' FPGA Compiler II has long offered support for the same DesignWare Foundation IP reuse library that supports our ASIC tools. Today's announcement of unique FPGA support with our LEDA technology is another step to facilitate FPGA design with state-of-the-art EDA tools. Now that Xilinx is delivering multimillion gate FPGAs, and offering high level approaches that encourage team and IP-based designs, we see a great opportunity for our design reuse expertise to assist teams working on FPGA projects.''

Availability

The Xilinx Coding Style 1.0 policy will be available December 2000 and can be downloaded free of charge from the Synopsys website to current LEDA licensees.

About Xilinx

Xilinx is the leading innovator of complete programmable logic solutions, including advanced integrated circuits, software design tools, predefined system functions delivered as cores, and unparalleled field engineering support. Founded in 1984 and headquartered in San Jose, Calif., Xilinx invented the field programmable gate array (FPGA) and fulfills more than half of the world demand for these devices today. Xilinx solutions enable customers to reduce significantly the time required to develop products for the computer, peripheral, telecommunications, networking, industrial control, instrumentation, high-reliability/military, and consumer markets. For more information, visit the Xilinx web site at www.xilinx.com.

About Synopsys

Synopsys, Inc. (Nasdaq:SNPS), headquartered in Mountain View, California, creates leading electronic design automation (EDA) tools for the global electronics market. The company delivers advanced design technologies and solutions to developers of complex integrated circuits, electronic systems, and systems on a chip. Synopsys also provides consulting and support services to simplify the overall IC design process and accelerate time to market for its customers. Visit Synopsys at http://www.synopsys.com.

Synopsys and LEDA are registered trademarks of Synopsys, Inc. FPGA Compiler II is a trademark of Synopsys. All other trademarks or registered trademarks mentioned in this release are the intellectual property of their respective owners.


Contact:
     Synopsys, Inc.
     Meghan Le, 650/584-4832
     meghan@synopsys.com
     http://www.synopsys.com
     or
     KVO Public Relations
     Judy Kahn, 650/919-2022
     judy_kahn@kvo.com
     or
     Xilinx, Inc.
     Craig Willert, 303/413-3237
     craig.willert@xilinx.com
     or
     Ann Duft, 408/879-4726
     publicrelations@xilinx.com
     www.xilinx.com

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