Воть технические харрактеритики зызы : * Allegrex CPU
o MIPS r4000 32-bit core 1-333mhz
o 16kib I-Cache & D-Cache
+ 64-byte line length
+ 2-way set associative, LRU
o No TLB
o 7-stage pipeline
o 32 32-bit registers
o FPU (COP1)
+ 32-bit single precision
+ 32 32-bit registers
+ IEEE 754 compliant
+ Sqrt (28 cycles), div(28 cycles), most others 1 cycle
o VFPU (COP2)
+ Vector FPU “Macromode only”
+ Designed for vector and matrix ops
+ 128 32-bit registers
# Reconfigurable as scalar, vector or matrix
# IEEE 754 Single precision float
+ Can also handle 32-bit int, 16-bit int, 8-bit int, half float
+ vmmul.z vd, vs, vt - 4Ч4 matrix/vector multiply, 22 cycles
* Media Block CPU
o MIPS r4000-based core
o 2MB Embedded DRAM
o VME - Virtual Mobile Engine
+ Reconfigurable processor to decode audio & video
+ ATRAC3plus & MP3 for music
# ATRAC3plus & ADPCM for games but not MP3 due to licensing issues
o AVC H.264 engine
+ MPEG-4 Hardware accelerator
+ Up to 720x480x30fps
# Libraries support 480x272x29.97fps
Bus
* Main bus shared by CPU and Graphics Engine
* CPU only has level-1 cache, recomend minimizing memory usage
* Cache miss ~70 cycles
* VRAM read ~44 cycles
o contention with GE
* Scratchpad read ~38 cycles
Graphics
* Graphics Engine (GE)
o 2MB Embedded DRAM
o Supports Lighting, skinning (8 weights), morphing, subdivision, pixel operations
o Operates at bus speed (default 111mhz)
o 3.5GB/s Bus bandwidth
o 444 Mpixels/sec fill rate
o 23 Mploys/sec T&L
Storage
* UMD
o UMD 1.8 GiB DISC
Ports
* Serial-Port (RS-232)
o http://mc.pp.se/psp/phones.xhtml
* USB-Port
Встроенные стерео динамики
Литиевая батарея, AC adaptor
Габариты: 170x 74 x 23 мм; вес 260 грамм
Заряда стандартного аккумулятора хватает примерно на 5 часов игры, 10 часов прослушивания mp3 с выключенным экраном или 3 часа просмотра видео. Заряжется PSP примерно 2 часа с 0 до 100 процентов.