2007 dac/isscc student design contest winner jeong-ho woo ( denber@eeinfo.kaist.ac.kr ) a...

2007 DAC/ISSCC Student Design Contest WinnerJeong-Ho Woo ( denber@eeinfo.kaist.ac.kr )

A 152mW/195mW Multimedia Processor with Fully Programmable 3D Graphics and MPEG/H.264/JPEG for Handheld Devices

• One-Chip Multimedia SoC for Handheld Devices– Fully Programmable 3D Graphics– H.264 Decoding @ CIF, 30fps– MPEG4 Codec @ CIF, 30fps– Audio Codec– JPEG Camera Support Up to 3MPixels

2007 DAC/ISSCC Student Design Contest WinnerJeong-Ho Woo ( denber@eeinfo.kaist.ac.kr )

Fully Programmable 3D Graphics Engine• Unified Shader

– Fully Programmable 3D Graphics• Programmable Vertex Shading

• Programmable Pixel Shading

– Low Cost Architecture• 35% Area Reduction

• 28% Power Reduction

– Lighting Engine• Logarithmic Number System

• Specialized Lighting Instruction

– TLT : Total Lighting

• 9.1Mvertices/s– OpenGL Full Lighting

– 2.1x Performance Improvement

2007 DAC/ISSCC Student Design Contest WinnerJeong-Ho Woo ( denber@eeinfo.kaist.ac.kr )

Summary• Implementation Results

– 0.13m CMOS Process

– 6.4mm x 6.4mm

– 152mW @ Video Processing

– 195mW @ 3D Graphics

– 3D Graphics / Video / Camera

• Summary– One-Chip Multimedia SoC with 3D

Graphics / Video / Camera

– Power-Optimized Unified Shader Architecture is Employed

– Logarithmic Lighting Engine is Proposed for High Performance

– 2.1x Performance Improvement