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Functional
Description
The AL250 Video Scan Doubler
(De-Interlacer) is a video conversion chip for consumer
video and multimedia applications. It converts
interlaced NTSC or PAL, ITU-R BT 601 (CCIR601) or square
pixel, YUV422 or RGB565 digital signals into computer
monitor RGB signals for direct connection to a computer
monitor or progressive scan TV. |
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Applications
* TV Ready Multimedia Computer Monitor
* TV
to PC Video Scan Converter Box
* Progressive Scan
TV
* Video Game Station
* DVD Player
* Portable
VCD Player
* LCD Monitor w/VGA Input
* Video Based
Set-top Box
* LCD Projector
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 Reference Kit: |
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- Convert interlaced YUV/RGB (NTSC/PAL) into
non-interlaced RGB format for CRT or LCD monitors
- Highly integrated design with built-in DAC,
SRAM, OSD and LUT
- Built-in on-screen-display
with programmable bitmap
- Advanced digital line
interpolation with no tearing or jagged edge
artifacts
- Reduced interlace flicker
- Auto
NTSC/PAL detect
- Digital video input of square
pixel, ITU-R BT 601 (CCIR 601), or user-defined format
- I2C programming interface
- Internal RGB
video lookup table (LUT) to provide gamma correction
- Overlay support for title making and complex
on-screen display
- Self-initialization without
software (Plug &
Play)
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