Winbond Electronics Corporation W9970CF
The W9970CF Integrated Video Graphics Accelerator is a highly integrated product offered by Winbond to provide high-performance graphical user interface (GUI) acceleration and TV-quality full-screen motion video acceleration for PCI Bus-based IBM PCs or their compatibles. The W9970CF is a high-performance graphics accelerator specially designed for the Microsoft Windows family, IBM OS/2, and DOS-based applications. The integrated video accelerator (VA) features highquality video filtering, bilinear interpolation scaling along both the X and Y axes, color space conversion and overlay keying.| Part No. | W9970CF |
|---|---|
| Datasheet | W9970CF Download |
| Manufacturer |  Winbond Electronics Corporation |
| Description | VIDEO GRAPHICS CONTROLLER |
| Buy | Stock & Price |
FEATURES
u Integrated Video Graphics Controller● 64-bit graphics engine
● Integrated video accelerator
● On-chip 24-bit true color RAMDAC with up to 135 MHz pixel clock rate
● On-chip clock synthesizers generating up to 135 MHz VCLK and 80 MHz MCLK u Graphics Engine
● 64-bit graphics acceleration
● 8/16/24 bit-per-pixel true color acceleration
● Deep command queue to improve GE performance
● Bit block transfer between system memory and display memory ú HostBLT ú Pattern BLT ú Color/font expanding BLT ú Transparent BLT ú Color/font expansion ú Rectangle fill ú 256 three-operand (source, pattern and destination) ROPs
● Bresenham line drawing
● Short stroke vector drawing
● Rectangle and line clipping
● 64 × 64 × 2 or 32 × 32 × 2 hardware cursor u Video Acceleration
● Video (YUV) and graphics (RGB) shared frame buffer architecture
● Two-dimensional bilinear interpolation scaling with 1-pixel resolution from 1× to 8×
● On-chip standard CCIR 601 YUV to RGB color space conversion
● Cropping...
