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High-Level Synthesis Design at NTT Systems Labs
Yukihiro NAKAMURA Kiyoshi OGURI Akira NAGOYA Mitsuteru YUKISHITA Ryo NOMURA
IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/09/25
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Issue on Synthesis and Verification of Hardware Design)
Category: High-Level Design
computer-hardware and disign,
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This paper describes the hierarchical behavioral description language celled SFL and its processing system. This integrated CAD system called PARTHENON is used for designs of the leading ASICs in the NTT Systems Labs. This paper shows, therefore, the effectiveness of PARTHENON as a practical high-lelel synthesis system through real design experience. SFL was developed to aid in the design of the hardware functions and behaviors of ASICs composed solely of clocksynchronized circuits. The main features of SFL are as follows: (1) It is not mixed with connection description, but employs only behavioral description (like procedual description in program language), and it provides hierarchical expression of behavioral description. (2) It permits the description of parallel processing operations by adopting a new hardware task concept. And, (3) it is linked with the behavioral simulator, logic synthesizer, and other components of the processing system. After describing SFL in some detail, a brief explanation of its synthesizer and other processing components is provided, along with its application results in the real design of some leading ASICs at the NTT Systems Laboratories.