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本文提出了一款8核媒体处理器，能够以9.7mW功耗进行AAC音频解码，以620mW功耗实现H.264 720p 60fps视频解码，解决了移动设备对低功耗高清多媒体处理的需求。
Shuou Nomura1, Fumihiko Tachibana1, Tetsuya Fujita1, Chen Kong Teh1, Hiroyuki Usui1, Fumiyuki Yamane1, Yukimasa Miyamoto1, Chaiyasit Kumtornkittikul1, Hiroyuki Hara1, Takahiro Yamashita1, Jun Tanabe1, Masato Uchiyama1, Yoshiro Tsuboi1, Takashi Miyamori1, Takeshi Kitahara1, Hironori Sato1, Yuya Homma1, Shuuji Matsumoto2, Keiko Seki2, Yoshinori Watanabe2, Mototsugu Hamada1, Masafumi Takahashi1 1 Toshiba, Kawasaki, Japan Toshiba Microelectronics, Kawasaki, Japan 2 Today’s mobile multimedia devices are required to support a wide range of applications from audio playback to high definition video recording. Scalable multi-core architectures may cope with the above requirement by software [1]. However, the power restriction in mobile applications is a critical problem. Leakage current of a high performance core will dominate the power dissipation with a light workload such as audio decoding. In this paper, a
60fps Decoding, 8-Core Media Processor with
Embedded Forward-Body-Biasing and PowerGating Circuit in 65nm CMOS Technology