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This paper presents a low power multimedia system-on-chip (SoC) with full integration with fully programmable 3-D graphics, MPEG4 codec, H.264 decoder, and JPEG codec for mobile devices. The mobile unified shader in 3-D graphics engine provides fully programmable 3-D graphics with 35% area and 28% power reduction. Low-power lighting engine which employs logarithmic number datapath and the specialized...
A low-power, area-efficient 4-way 32-bit unified vector and transcendental function unit has been developed for programmable shaders for handheld 3-D graphics systems. It adopts the logarithmic number system (LNS) at the arithmetic core for the small-size, low-power unification and single cycle throughput with maximum 4-cycle latency of various vector and transcendental functions. A novel logarithmic...
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