Embedded Processor Core with 64-Bit Architecture and Its System-On-Chip Integration for Digital Consumer Products (Special Issue on Low-Power High-Performance VLSI Processors and Technologies)
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概要
- 論文の詳細を見る
A 64-bit architecture for an embedded processor targeted for next-generation digital consumer products has been developed. It has dual-mode instruction sets and is optimized for high multimedia performance, provided by SIMD / floating-point vector instructions in 32-bit length ISA, and small code size, provided by a conventional 16-bit length ISA. Large register files, (64×64b and 64×32b), a split-branch mechanism, and virtual cache are also adopted in the architecture. A 714MIPS/9.6 GOPS/400MHz processor core with the 64-bit architecture and a system LSI containing the core are developed using 0.15-μm technology. The LSI includes a 3.2GB/sec high-bandwidth on-chip bus, a high-speed DRAM interface, a SRAM/Flash/ROM/Multiplexed-bus interface, and a 66MHz PCI interface that provide the Performance required for next-generation multimedia applications.
- 2001-02-01
著者
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Hasegawa A
Department Of Earth And Ocean Sciences National Defense Academy
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ARAKAWA Fumio
Central Research Laboratory, Hitachi, Ltd.
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Arakawa Fumio
Central Research Laboratory Hitachi Ltd.
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UCHIYAMA Kunio
Central Research Laboratory, Hitachi, Ltd.
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Uchiyama K
Hitachi Ltd. Kokubunji‐shi Jpn
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Uchiyama Kunio
Central Research Laboratory Hitachi Ltd.
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Hasegawa Atsushi
Division Of Pharmacy Chiba University Hospital
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IRIE Naohiko
Central Research Laboratory, Hitachi, Ltd.
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YOSHIOKA Shinichi
Semiconductor & Integrated Circuits Div., Hitachi, Ltd.
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DEBBAGE Mark
Super-H inc.
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SAITO Yasuhiko
Semiconductor & Integrated Circuits, Hitachi, Ltd.
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NOGUCHI Koki
Semiconductor & Integrated Circuits, Hitachi, Ltd.
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HASEGAWA Atsushi
Hitachi Semiconductor America Inc.
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KITAHARA Takeshi
Hitachi Semiconductor America Inc.
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DEBBAGE Mark
STMicroelectronics Ltd.
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STURGES Andy
STMicroelectronics Ltd.
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Yoshioka Shinichi
Semiconductor & Integrated Circuits Div. Hitachi Ltd.
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Noguchi Koki
Semiconductor & Integrated Circuits Hitachi Ltd.
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Irie Naohiko
Central Research Laboratory Hitachi Ltd.
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Saito Yasuhiko
Semiconductor & Integrated Circuits Hitachi Ltd.
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