TVP4020 technical characteristics:
Geometry Pipeline Processor
- Hardwired 100 MFLOP processor
- Slope and set-up calculation
- Line and triangle primitives
- Vertex store
- Full anti-aliasing support
- Floating point or fixed point input
Top
Texture Mapping
- True per-pixel perspective correction
- High-quality bilinear filtering
- Palletized and RGB textures
- Transparency Maps
- Local texture buffer
- Specular texture highlighting
- Fast texture loading with DMA
- Real-time video textures
- Color-keying
Top
3D Rendering
- Points, lines, triangles and bitmaps
- Gouraud and flat shading
- Depth (Z) buffering
- Fog and depth-cueing
- Alpha blending
- Stencil test and stencil buffer
- Full screen anti-aliasing
- Dithering
- Scissor test and logic operations
- Area stippling
Top
2D GUI Acceleration
- BitBlt with ROPs
- Points, lines, polygons
- Fills, and text primitives
- Fast linear framebuffer
- On-chip SVGA
Top
Memory Architecture
- 64-bit synchronous interface
- Choice of SGRAM or SDRAM
- SGRAM for best performance
- SDRAM for lower cost
- 2-8 Mbytes external memory
- 664 Mbytes/second bandwidth
- Flexible memory allocation
- High speed block fill and masked writes
- Variety of data formats (RGBA, YUV, and CI)
Top
Display Features
- Double- and triple-buffering
- 8-, 16-, 24-, or 32-bit RGB
- 8-bit color index
- Hardware dithering
- Hardware pan
- Per window double buffering
- Overlays
Top
AGP Interface
- 1x Mode (266 Mbytes/sec)
- Full sideband addressing
- DMA mode texturing
- Execute mode texturing
Top
PCI Interface
- Revision 2.1 compliant
- 32-bit master/slave
- DMA mastering
- Big-endian support for Macintosh
- 32-entry command FIFO
Top
Video Ports
- Enhanced VMI Interface
- Single 16-bit or dual 8-bit interface
- Simultaneous video input and output (8-bits each)
- Compatible with variety of available encoders and decoders
- VBI support on input and output
- Dual I2C control interfaces
Top
RAMDAC
- 230 MHz
- 320x200 to 1600x1200 resolutions
- Ergonomic refresh rates
- 8-, 16-, 24-, and 32-bit color depth
- Packed pixel formats
- Per-pixel, Per-window double buffering
- 32x32x2 or 64x64x2 hardware cursor
- On chip cursor RAM with four-way cache
Top
Software Drivers
- Windows™95 and Windows NT
- Direct3D
- OpenGL
- Heidi for 3D Studio MAX
Top
Green PC and Plug & Play
- VESA DPMS
- VESA DDC1 & DDC2AB+
Top
Package
- 272-pin Ball Grid Array (BGA)
- 3.3 V (%V Tolerant I/O)
Top
