Emotion Engine

Specifications

• CPU core: 128-bit RISC (MIPS IV-subset)
• Clock Frequency: 300MHz
• Gate width: 0.18 microns
• VDD Voltage: 1.8 V
• Power Consumption: 15 watts
• Metal Layers: 4
• Total Transistors: 10.5 million
• Die Size: 240mm²
• Package: 540 pin PBGA
• Integer Unit: 64-bit (2-way Superscalar)
• Multimedia extended instructions: 107 instructions at 128-bit width
• Integer General Purpose Register: 32 at 128-bit width
• TLB: 48 double entries
• Instruction Cache: 16KB (2-way)
• Data Cache: 8KB (2-way)
• Scratch pad RAM: 16KB (Dual port)
• Main Memory: 32MB (Direct RDRAM 2 channels at 800MHz)
• Memory bandwidth: 3.2GB/sec
• DMA: 10 channels
• Co-processor 1: FPU (FMAC x 1, FDIV x 1)
• Co-processor 2: VU0 (FMAC x 4, FDIV x 1)
• Vector Processing Unit: VU1 (FMAC x 5, FDIV x 2)
• Floating Point Performance: 6.2GFLOPS
• Curved Surface Generation (Bezier): 16 million polygons/second
• Image Processing Unit: MPEG2 Macroblock Layer Decoder
• Image Processing Performance: 150 million pixels/second

Geometry

• Perspective Transformation: 66 million polygons/second
• Lighting: 38 million polygons/second
• Fog: 36 million polygons/second

See also

• PlayStation 2
• Graphics processing unit
• Computer graphics
• List of computer graphics and descriptive geometry topics

External links

• Sound and Vision: A Technical Overview of the Emotion Engine (http://arstechnica.com/reviews/1q00/playstation2/ee-1.html)
• Scientific Computation on PlayStation 2: Emotion Engine CPU (http://arrakis.ncsa.uiuc.edu/ps2/background.php)
• The PlayStation2 vs. the PC: a system-level comparison of two 3D platforms (http://arstechnica.com/articles/paedia/cpu/ps2vspc.ars/1)