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參數資料
| 型號： | W9971CF |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Integrated Video Graphics Accelerator(集成的視頻圖形加速器) |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PQFP208 |
| 封裝： | PLASTIC, QFP-208 |
| 文件頁數： | 2/9頁 |
| 文件大小： | 96K |
| 代理商： | W9971CF |
W9971CF
2
FEATURES
K
Integrated Video Graphics Controller with TV encoder
64-bit graphics engine
Integrated video accelerator
On-chip 24-bit true color RAMDAC with up to 170 MHz pixel clock rate
On-chip clock synthesizers generating up to 170 MHz VCLK and 100 MHz MCLK
On-chip flicker filtering and NTSC/PAL TV encoder
K
GUI Acceleration
64-bit GUI acceleration
Fast frame buffer blts include screen to screen blt, pattern blt, color/font expanding blt,
color/font expansion, rectangle fill, etc.
256 ROPs (Raster Operations) for all 8/15/16/24 bit-per-pixel modes
Transparent blt using the color key for source or destination
Accelerated Bresenham line draw and Short Stroke Vector
Rectangle and line clipping
Built-in 64
×
64
×
2 or 32
×
32
×
2 hardware cursor
K
Video Conferencing Acceleration
Glueless digital camera interface with direct support of CCIR 656 format; analog camera
support with external video decoder
Hardware 2-dimensional down-scaling for local view capture
Hardware dual-video window for local and remote viewing
Built-in Color Space Conversion and 2-dimensional bi-linearly interpolated up-scaling
K
Video Playback Acceleration
Video (YUV) and graphics (RGB) shared frame buffer architecture
RGB 5:5:5, RGB 5:6:5, and YUV 4:2:2 packed video formats support
Double buffering and single command page flipping for anti-tearing support
Readable current scan line refresh to allow behind the beam writing in non-double-buffered
scenarios
On-the-fly 2-D bi-linear interpolation and arbitrary up-scaling
On-chip standard CCIR 601 YUV to RGB CSC (Color Space Conversion)
On-the-fly interpolated up-scaling to allow 320
×
200 game image to be displayed at 640
×
480 full-screen resolution
Color keying, chroma keying, and window keying to overlay video and graphics streams
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