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Featured researches published by Hidehito Takewa.


Proceedings of COMPCON '94 | 1994

A PA-RISC microprocessor PA/50L for low-cost systems

Tetsuhiko Okada; Susumu Narita; Osamu Nishii; Noriharu Hiratsuka; Nobuyuki Hayashi; Mitsuo Asai; Shinji Fujiwara; Mikiko Satoh; Junichi Nishimoto; Hirokazu Aoki; Kunio Uchiyama; Shigeru Matsuo; Hidehito Takewa; Kouji Yamada; Masahiro Kainaga; Norio Nakagawa; Masanobu Yamagami; Hiroshi Takeda; Tsuneo Funabashi

The PA/50L is a low-cost, low-power microprocessor from Hitachi Ltd. that is fully compatible with the PA-RISC architecture 1.1, third edition. This microprocessor achieves 55 VAX MIPS (Dhrystone 1.1), 10.6 MFLOPS (LINPACK inner loop) and 1.3 W at 33 MHz. In order to achieve high performance with no external cache, a non-blocking cache and a data prefetch instruction are provided. This paper gives an overview of the microprocessor and describes its capabilities.<<ETX>>


Archive | 1995

Image data processor for processing pixel data in block buffer

Yasuhiro Nakatsuka; Keisuke Nakashima; Shigeru Matsuo; Masahisa Narita; Koyo Katsura; Hidehito Takewa; Tomoaki Aoki


Archive | 1995

Arithmetic unit capable of performing concurrent operations for high speed operation

Hidehito Takewa; Hiromichi Yamada; Takashi Hotta; Kotaro Shimamura


Archive | 1997

Graphics drawing device with hidden surface processing

Yasuhiro Nakatsuka; Keisuke Nakashima; Shigeru Matsuo; Masahisa Narita; Koyo Katsura; Hidehito Takewa; Tomoaki Aoki


Archive | 1995

Data processor for processing a complex instruction by dividing it into executing units

Hidehito Takewa; Shigeru Matsuo; Shinji Fujiwara; Masahisa Narita


Archive | 2002

Image processing device and system using the same

Yasuhiro Nakatsuka; Keisuke Nakashima; Shigeru Matsuo; Masahisa Narita; Koyo Katsura; Hidehito Takewa; Tomoaki Aoki


Archive | 1997

Common disk unit multi-computer system

Masahiko Saito; Hidehito Takewa; Kenichi Kurosawa; Yoshihiro Miyazaki; Shigenori Kaneko


Archive | 1999

METHOD OF CHANGING OVER A MULTIPLEX SYSTEM

Hiroshi Ohno; Shigenori Kaneko; Yoshihiro Miyazaki; Soichi Takaya; Hiroaki Fukumaru; Takahiro Saruta; Naoshi Kato; Kunihiro Suzuki; Kenichi Kurosawa; Masahiko Saito; Hidehito Takewa; Hirohito Tsukahara; Eiki Shoji


Archive | 1998

Multiprocessor type controller and scalable controller system

Hideji Ishikura; Kenichi Kurosawa; Koji Matsuda; Makoto Ogura; Yoshiaki Takahashi; Hidehito Takewa; 小倉 真; 光司 松田; 秀仁 武和; 秀司 石倉; 義明 高橋; 憲一 黒澤


Archive | 2004

Graphics drawing device and method

Yasuhiro Nakatsuka; Keisuke Nakashima; Shigeru Matsuo; Masahisa Narita; Koyo Katsura; Hidehito Takewa; Tomoaki Aoki

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