W9970CF Datasheet | Winbond

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 mand queue to improve GE performance - Bit block transfer between system memory and display memory ú Host BLT 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 window and filtering supports - Hardware support for Microsoft Direct Draw feature set ú Double buffering and page flipping to prevent from tearing in image ú Transparent Bit BLTs of sprites for game acceleration ú Color keying, chroma keying and window keying to overlay video and graphics streams ú On-the-fly blending of video and graphics streams - Supports 2× scaling to allow 320×200 game image to be displayed at 640 × 480 full-screen resolution - High-quality video playback requiring only 1 MByte DRAM in 1024 × 768 256-color mode - Dual hardware-accelerated video windows for video conference applications u Multimedia Video Interface - 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 - Support for RGB 5:5:5, 5:6:5 or YUV 4:2:2 software CODEC video input - Glueless support for 16-bit baseline VESA Advanced Feature Connector (VAFC) - Glueless support for 8-bit bidirectional pass-through...