Description

The W99715BKCG is a highly integrated electronic component model offered by Winbond. It is designed 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 W99715BKCG features an integrated video graphics controller with a 64-bit graphics engine, an on-chip 24-bit true color RAMDAC with up to 135 MHz pixel clock rate, and on-chip clock synthesizers generating up to 135 MHz VCLK and 80 MHz MCLK. It also supports various graphics acceleration functions, video acceleration capabilities, multimedia video interface, and offers compatibility with IBM VGA standard and major operating systems.

Specifications and features

• Integrated Video Graphics Controller with a 64-bit graphics engine
• On-chip 24-bit true color RAMDAC with up to 135 MHz pixel clock rate
• Integrated video accelerator
• On-chip clock synthesizers generating up to 135 MHz VCLK and 80 MHz MCLK
• 64-bit graphics acceleration, supporting 8/16/24 bit-per-pixel true color acceleration
• Deep command queue to improve graphics engine performance
• Bit block transfer between system memory and display memory
• Bresenham line drawing and short stroke vector drawing
• Rectangle and line clipping capabilities
• Hardware cursor with 64 x 64 x 2 or 32 x 32 x 2 size
• Video (YUV) and graphics (RGB) shared frame buffer architecture
• Two-dimensional bilinear interpolation scaling with 1-pixel resolution from 1x to 8x
• On-chip standard CCIR 601 YUV to RGB color space conversion
• Hardware support for Microsoft DirectDraw feature set
• Supports double buffering and page flipping to prevent tearing in image
• Transparent BitBLTs of sprites for game acceleration
• Supports color keying, chroma keying, and window keying to overlay video and graphics streams
• On-the-fly blending of video and graphics streams
• Supports 2x scaling to display 320 x 200 game image at 640 x 480 full-screen resolution
• High-quality video playback requiring only 1 MByte DRAM in 1024 x 768 256-color mode
• Dual hardware-accelerated video windows for video conference 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
• 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 VGA feature connector
• 100% hardware compatible with IBM VGA standard
• VESA BIOS extension support and VESA monitor timing compliant
• Driver support for all major operating systems, such as Windows 3.1, Windows 95, Windows NT, and OS/2 Warp 3.0

Application Scenarios

The W99715BKCG electronic component model is suitable for applications that require high-performance graphical user interface acceleration and TV-quality full-screen motion video acceleration. It can be used in PCI Bus-based IBM PCs or their compatibles. Some possible application scenarios include video playback, game acceleration, video conference applications, multimedia systems, and more.

Comparison

• Highly integrated design, simplifies system design and reduces cost
• Supports high-performance graphical user interface acceleration
• Provides TV-quality full-screen motion video acceleration
• Supports various graphics acceleration functions
• Offers video acceleration capabilities
• Includes a multimedia video interface
• Compatible with IBM VGA standard
• Supports major operating systems

There are no notable disadvantages of the W99715BKCG electronic component model.