Description:
Overview
The CL-GD5446 is a high-performance, single-chip device that provides graphics and TV-quality full-motion video playback. It is integrated into cost-effective personal computers and supports a wide range of applications.
Key Features:
- High-throughput PCI bus interface optimized for video playback
- Large write buffer for zero-wait-state bursts
- Independent memory apertures for BitBLT and CPU/video operations
- Byte-swapping for PowerPC™ support
- PCI v2.1-compliant
- Advanced 64-bit BitBLT engine for Windows® 95
- Transparent source data BitBLT for DirectDraw™
- Color expansion for all graphics modes
- Fast screen-to-screen BitBLTs
- Double-buffered, memory-mapped registers with AutoStart™
- 64-bit DRAM interface optimized for EDO DRAM
- 80-MHz MCLK for up to 320 Mbytes/sec. peak bandwidth
- Support for 128K × 16, 128K × 32 DRAM
- V-Port™, GPIO, I2C bus interfaces for video decoders
- Video capture and closed-caption capture applications
- Automatic double buffering to prevent video tearing
- Interface to MPEG and other video decoders
- Hardware window for video display
- Multiformat frame buffer
- Supports various video formats including YUV 4:2:2, AccuPak™, RGB-8, RGB-16
- Independent interpolated X and Y zooming
- Occlusion support with color- or chroma-key
- PC97-compliant (Revision B)
- Compatible with VGA and VESA® standards
- Comprehensive software driver support for popular operating systems and applications
The CL-GD5446 is designed to deliver exceptional system throughput with minimal impact on system operation. It supports pixel resolutions of up to 1280 × 1024 and 16.8 million colors at resolutions of up to 1024 × 768. With its advanced features and compatibility, the CL-GD5446 offers a solid foundation for various video playback applications, including TV-in-a-window, video clip capture, home video editing, video mail, personal video conferencing, MPEG-1, MPEG-2, and closed-caption applications.
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