PlayStation technical specifications
From Wikipedia, the free encyclopedia
This article is about the technical specification of Sony's original PlayStation console. For technical specifications of Sony's later home consoles, see #See also.
Central processing unit (CPU)
- LSI LR333x0-based Core
- MIPS R3000A-compatible 32-Bit RISC CPU with 5KB L1 cache, running at 33.8688 MHz .
- The microprocessor is manufactured by LSI Logic Corp. with technology licensed from SGI.
- CPU cache RAM:
- Geometry Transformation Engine (GTE or Cop2)
- Coprocessor that resides inside the main CPU processor, giving it additional vector math instructions used for 3D graphics, lighting, geometry, polygon and coordinate transformations - GTE performs high speed matrix multiplies.
- Operating performance: 66 MIPS
- Polygons per second (rendered in hardware):
- Motion Decoder (MDEC)
- Also residing within the main CPU, enables full screen, high quality FMV playback and is responsible for decompressing images and video into RAM.
- Operating performance: 80 MIPS
- Documented device mode is to read three RLE-encoded 16×16 macroblocks, run IDCT and assemble a single 16×16 RGB macroblock.
- Output data may be transferred directly to GPU via DMA.
- It is possible to overwrite IDCT matrix and some additional parameters, however MDEC internal instruction set was never documented.
- System Control Coprocessor (Cop0)
- This unit is part of the CPU. Has 16 32-bit control registers.
- Modified from the original R3000A cop0 architecture, with the addition of a few registers and functions.
- Controls memory management through virtual memory technique, system interrupts, exception handling, and breakpoints.
- 2 MB main DRAM
- Additional RAM memory is integrated with the GPU (including a 1 MB frame buffer) and SPU (512 KB), see below for details.
- Cache RAM memory for CPU core and CD-ROM. See the relevant sections for details.
- Flash RAM support through the use of memory cards, see below.
- BIOS stored on 512 kB ROM
Graphics processing unit (GPU)
- 32-bit Sony GPU
- Handles display of graphics, control of framebuffer, and drawing of polygons and textures
- Handles 2D graphics processing, in a similar manner to the 3D engine
- Adjustable frame buffer (1024×512)
- Emulation of simultaneous backgrounds (to simulate parallax scrolling)
- Mask Bit
- Texture Window
- Alpha Blending(4 per-texel Alpha Blending Modes)
- Framebuffer Efects
- Transparency Efects
- Render to Texture
- Offscreen Drawing
- Flat or Gouraud shading and texture mapping
- No line restriction
- Colored light sourcing
- Texture mapping color mode:
- Mode 4 - 4 bit CLUT (16 Colors)
- Mode 8 - 8 bit CLUT (256 Colors)
- Mode 15 - 15 bit direct (32768 Colors)
- Mode 24 - 24 bit (16,777,216 Colors)
- Sprite engine
- Special Sprite Effects:
- Scaling up/down
- Vertical and horizontal line scroll
Sound processing unit (SPU)
- 16-Bit Sony SPU
- Supports ADPCM sources with up to 24 channels
- Sampling rate of up to 44.1 kHz
- 512 kB RAM
- PCM audio source
- Digital effects include:
- Pitch Modulation
- Digital Reverb
- Load up to 512K of sampled waveforms
- Supports MIDI Instruments
I/O system and connectivity
- (660MB maximum storage capacity, double speed CD-ROM drive)
- 2×, with a maximum data throughput of 300 kB/s(Double speed), 150 KB/sec. (Normal)
- XA Mode 2 compliant
- Audio CD play
- CD-DA (CD-Digital Audio)
- 128 kB buffer
- Two control pads via connectors
- Expandable with multitap connector
- Backup Flash RAM support
- Two removable cards
- Each card has 128 KB Flash Memory
- OS support for File Save, Retrieve and Remove
- Video and audio connectivity
- AV Multi Out
- RCA Composite video and Stereo out (SCPH-100x to 3xxx only)
- RFU (SCPH-112X) DC Out (SCPH-100x to 3xxx only)
- S-Video Out (SCPH-1000 only)
- Serial and parallel ports
- Serial I/O (used for PlayStation Link Cable SCPH-100x to 900x only)
- Parallel I/O (N/A) SCPH-100x to 750x only)
- AC Connector (SCPH-100x to 900x only)
- PlayStation 2 technical specifications
- PlayStation 3 technical specifications
- PlayStation 4 technical specifications
- "Nocash PSX Specifications".
- "Everything You Have Always Wanted to Know about the Playstation But Were Afraid to Ask.". Retrieved 6 June 2015.
- "Console Specs".
- "VGR: Playstation Technical Specifications".
- "Playstation Documents - Zophar's Domain".
- "psx.padua.org - Playstation Development - psx.padua.org".
- "Home of the Hitmen".
- "Sony's PlayStation Debuts in Japan!". Electronic Gaming Monthly (65) (EGM Media, LLC). December 1994. p. 70.
- "Game Pilgrimage".
- Karl Hodge. "Hall of Fame: Sony PlayStation, the games console that changed everything".
- "Sony PlayStation". GamePro (62) (IDG). September 1994. p. 20.
- http://www.8-bitcentral.com/images/sony/playstation/boxBack.jpg[verification needed]
- "Playstation-to-Saturn Porting".
- https://archive.org/stream/nextgen-issue- 001/Next_Generation_Issue_001_January_1995#page/n47/mode/2up/