W9970CF Overview
W9970CF Video Graphics Controller.
W9970CF Key Features
- 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
- 64-bit graphics acceleration
- 8/16/24 bit-per-pixel true color acceleration
- Deep mand 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 Transpa
- Bresenham line drawing
- Short stroke vector drawing
W9970CF Applications
- Glueless MPEG-1 video decoder (W9920DF) support for YUV 4:2:2 video input
- Glueless TV decoder support for YUV 4:2:2, NTSC or PAL live-video input