10
−
Multstandard VBI data slicer decoding World
Standard Teletex (WST), North-American Broadcast
Text System (NABTS), Closed Caption (CC), Wide
Screen Signaling (WSS), Video Programming
System (VPS), Vertical Interval Time Code (VITC)
variants (EBU/SMPTE) etc.
−
active
video
−
decoded VBI data
•
Video
Scaler
−
Both up and down scaling
−
Conversion to square pixel format
−
NTSC to 288 lines (video phone)
−
Phase accuracy better than 1/64 pixel or line,
horizontally or vertically
−
Independent scaling definitions for odd and even
fields
−
Anti-aliasing filter for horizontal scaling
•
Video
encoder
−
Digital PAL/NTSC encoder with integrated high
quality scaler and anti-flicker filter for TV output from
a PC
−
27 MHz crystal-stable sub carrier generation
−
Maximum graphics pixel clock 45 MHz at double
edged clocking, synthesized on-chip or from external
source
−
Up to 800x600 graphics data at 60 Hz or 50 Hz
underscan range
−
Three DACs at 270 MHz sample rate for CVBS, VBS
and C signals; all at 10-bit resolution
−
Non-interlaced input at maximum 4:4:4 sampling
−
Down scaling from 1:1 to 1:2 and up to 20% up
scaling
