BT848 Features
• Fully PCI Rev. 2.1 compliant
• Auxiliary GPIO data port and video data port
• Supports image resolutions up to 768x576 (full PAL resolution)
• Supports complex clipping of video source
• Zero wait state PCI burst writes
• Field/frame masking support to throttle bandwidth to target
• Multiple YCrCb and RGB pixel formats supported on output
• Supports NTSC/SECAM/PAL analog input
• Image size scalable down to icon using vertical & horizontal interpolation filtering
• Multiple composite and S-video inputs
• Supports different destinations for even and odd fields
• Supports different color space/scaling factors for even and odd fields
• Support for mapping of video to 225 color palette
• VBI data capture for closed captioning, teletext and intercast data decoding
BT848 Typical Application
• PC TV
• Intercast receiver
• Desktop video phone
• Motion video capture
• Still frame capture
• Teletext/Intertext
• VBI data services capture
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