PSP Product Specifications

    * Product Name: PlayStation Portable (PSP)
    * Color: Black
    * Dimensions: Approx. 170 mm (L) x 74 mm (W) x 23 mm (D)
    * Weight: Approx. 260 g (including battery)
    * CPU: PSP CPU (System clock frequency 1~333MHz)
    * Main Memory: 32MB
    * Embedded DRAM: 4MB
    * Display: 4.3 inch, 16:9 widescreen TFT LCD, 480 x 272 pixel (16.77 million colors), Max. 200 cd/m2 (with brightness control)
    * Speakers: Built-in stereo speakers
    * Main Input/Output: IEEE 802.11b (Wi-Fi), USB 2.0 (Target), Memory Stick™ PRO Duo, IrDA, IR Remote (SIRCS)
    * Disc Drive: UMD Drive (Playback only)
    * Profile: PSP Game, UMD Audio, UMD Video
    * Main Connectors: DC OUT 5V, Terminals for charging built-in battery, Headphone/Microphone/Control connector
    * Keys/Switches: Directional buttons (Up/Down/Right/Left)Analog pad, Enter keys (Triangle, Circle, Cross, Square), Left, Right keys START, SELECT, HOME, POWER On/Hold/Off switch, Brightness control, Sound Mode, Volume +/-, Wireless LAN On/Off switch, UMD Eject
    * Power: Built-in lithium-ion battery, AC adaptor
    * Access Control: Region Code, Parental Control
    * Accessories: Stand, Headphone with remote commander, Headphone with remote commander and microphone, External battery pack, Case, Strap
    * E3 Prototype Exhibition: USB Camera for PSP, USB GPS for PSP, USB Keyboard for PSP 

UMD Specifications

    * Dimensions: Approx. 65 mm (W) x 64 mm (D) x 4.2 mm (H)
    * Weight: Approx. 10g
    * Disc Diameter: 60 mm
    * Maximum Capacity: 1.8GB (Single-sided, dual layer)
    * Laser wavelength: 660nm (Red laser)
    * Encryption: AES 128bit
    * Profile: PSP Game (full function), UMD Audio (codec ATRAC3plus™, PCM, (MPEG4 AVC)), UMD Video (codec MPEG4 AVC, ATRAC3plus™, Caption PNG)


//////// Different source stating just about the same;

 CPU

    * 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 - 4×4 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

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