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
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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 Winner
Jeong-Ho Woo ( [email protected] )
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 Winner
Jeong-Ho Woo ( [email protected] )
Summary
• Implementation Results
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0.13mm 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
2007 DAC/ISSCC Student Design Contest Winner
Jeong-Ho Woo ( [email protected] )