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.