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IEICE TRANSACTIONS on Information

FPGA Design Framework Combined with Commercial VLSI CAD

Qian ZHAO, Kazuki INOUE, Motoki AMAGASAKI, Masahiro IIDA, Morihiro KUGA, Toshinori SUEYOSHI

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Summary :

The most widely used open-source field programmable gate array (FPGA) placement and routing tool is the Versatile Packing, Placement and Routing (VPR) software developed at the University of Toronto, Canada. VPR calculates area and timing using target FPGA architecture and physical information. However, it cannot be used in FPGA IP design efficiently for two reasons. First, VPR cannot directly support most newly developed FPGA architectures, and modifying the C-coded VPR so that it can be used to evaluate a number of new architectures is time consuming. Second, the accuracy of the VPR performance results is inadequate for the evaluation of a complete FPGA IP in a design that targets the production of LSI. We propose an FPGA design framework that is focused on improving FPGA IP design efficiency. A novel FPGA routing tool is developed in this framework, namely the EasyRouter which uses the C# language. When an object-oriented programming method is used, there is less source code and it is easier to manage compared to VPR, thus shortening the development time. By using simple HDL code templates, EasyRouter can automatically generate the entire HDL code for a chip and the configuration bitstream. With these files, the FPGA IP can be evaluated with commercial VLSI CAD systems with high accuracy and reliability.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.8 pp.1602-1612
Publication Date
2013/08/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.1602
Type of Manuscript
Special Section PAPER (Special Section on Reconfigurable Systems)
Category
Design Methodology

Authors

Qian ZHAO
  Kumamoto University
Kazuki INOUE
  Kumamoto University
Motoki AMAGASAKI
  Kumamoto University
Masahiro IIDA
  Kumamoto University
Morihiro KUGA
  Kumamoto University
Toshinori SUEYOSHI
  Kumamoto University

Keyword

FPGA,  CAD,  routing