Masafumi TAKAHASHI


Module-Wise Dynamic Voltage and Frequency Scaling for a 90 nm H.264/MPEG-4 Codec LSI
Yukihito OOWAKI Shinichiro SHIRATAKE Toshihide FUJIYOSHI Mototsugu HAMADA Fumitoshi HATORI Masami MURAKATA Masafumi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 263-270
Type of Manuscript:  INVITED PAPER (Special Section on VLSI Design Technology in the Sub-100 nm Era)
Category: 
Keyword: 
dynamic voltage/frequency scalingsystem LSIH.264MPEG-4A/V codec LSImultimedia chip
 Summary | Full Text:PDF(942.6KB)

A 160 mW, 80 nA Standby, MPEG-4 Audiovisual LSI with 16 Mbit Embedded DRAM and a 5 GOPS Post Filtering Unit
Hideho ARAKIDA Masafumi TAKAHASHI Yoshiro TSUBOI Tsuyoshi NISHIKAWA Hideaki YAMAMOTO Toshihide FUJIYOSHI Yoshiyuki KITASHO Yasuyuki UEDA Tetsuya FUJITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Vol. E87-C  No. 4  pp. 475-481
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
Category: 
Keyword: 
MPEG-4 codec LSIdigital signal processing
 Summary | Full Text:PDF(1.1MB)

Performance Evaluation of a Processing Element for an On-Chip Multiprocessor
Masafumi TAKAHASHI Hiroshige FUJII Emi KANEKO Takeshi YOSHIDA Toshinori SATO Hiroyuki TAKANO Haruyuki TAGO Seigo SUZUKI Nobuyuki GOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/07/25
Vol. E77-C  No. 7  pp. 1092-1100
Type of Manuscript:  Special Section PAPER (Special Issue on Super Chip for Intelligent Integrated Systems)
Category: 
Keyword: 
multiprocessorshared FPUon-chip cacheprefetch
 Summary | Full Text:PDF(878.8KB)

A High Performance 32-Bit Microcontroller for Realtime Applications
Masafumi TAKAHASHI Yasuo YAMADA Emi KANEKO Shinichi YOSHIOKA Haruyuki TAGO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/11/25
Vol. E74-C  No. 11  pp. 3766-3774
Type of Manuscript:  Special Section PAPER (Special Issue on the High Performance ASIC and Microprocessor)
Category: Core and Macrocells
Keyword: 
 Summary | Full Text:PDF(798KB)