Emotion Engine
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The Emotion Engine is a central processing unit developed and manufactured by Sony Computer Entertainment and Toshiba for use in the PlayStation 2 video game console. It was also used in early PlayStation 3 models sold in Japan and North America (CECHAxx & CECHBxx) to provide PlayStation 2 game support. Mass production of the Emotion Engine began in 1999 and ended in late 2012 with the discontinuation of the PlayStation 2.
The Emotion Engine is a central processing unit developed and manufactured by Sony Computer Entertainment and Toshiba for use in the PlayStation 2 video game console. It was also used in early PlayStation 3 models sold in Japan and North America (CECHAxx & CECHBxx) to provide PlayStation 2 game support. Mass production of the Emotion Engine began in 1999 and ended in late 2012 with the discontinuation of the PlayStation 2.
Image Processing Unit (IPU)
The IPU allowed MPEG-2 compressed image decoding, allowing playback of DVDs and game FMV. It also allowed vector quantization for 2D graphics data.
DMA, DRAM and Memory Management Unit (MMU)
The memory management unit, RDRAM controller and DMA controller handle memory access within the system.
Technical specifications
Clock frequency: 294.912 MHz, 299 MHz (later versions) Instruction set: MIPS III, MIPS IV subset, 107 vector instructions 2-issue, 2 64-bit fixed point units, 1 floating point unit, 6 stage pipeline Instruction cache: 16 KB, 2-way set associative Data cache: 8 KB, 2-way set associative Scratchpad RAM: 16 KB Translation look aside buffer: 48-entry combined instruction/data Vector processing unit: 4 FMAC units, 1 FDIV unit Vector processing unit registers: 128-bit wide, 32 entries Image processing unit: MPEG2 macroblock layer decoder Direct memory access: 10 channels V DD Voltage: 1.8 V Power consumption: 15 W at 1.8 V Embedded memory: 1 KB RAM, 4 KB FeRAM, 16 KB ROM
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