AL250 International Power Sources, Inc., AL250 Datasheet - Page 3

• Manufacturer Part Number: AL250
• Description: Video Scan Doubler
• Manufacturer: International Power Sources, Inc.

1.0 Features
YUV or RGB
Convert interlaced TV signal (NTSC/PAL)
into non-interlaced RGB format for CRT
monitors or LCD panels
Highly integrated design with built-in DAC,
SRAM, OSD and LUT
Built-in on-screen-display with programmable
bitmap
Interpolated scan doubling with no tearing or
jagged edge artifacts
Reduced interlace flicker
Auto NTSC/PAL detect
Digital video input of square pixel, ITU-RBT
601 (CCIR 601), or user-defined format
Analog/digital non-interlaced RGB (VGA)
signal output (Scan Doubled or Deinterlaced)
I
Power-down control via I
Digital
input
2
C programming interface
VCLKX2
VIDHS
VIDVS
HREF
VCLK
16
AL250/251
Formatter
Control
Timing
Video
Video Memory
2
C
I
2
and Scan Doubler
Video Processor
C Circuit
Video Scan Doubler
On-screen
Display
2
2.0 Applications
Mode Control
Internal RGB video lookup table (LUT) to
provide gamma correction and special effects
Overlay support for title making and complex
on-screen display
Self-initialization without software (Plug &
Play)
3.3 or 5 volt support
16-bit digital RGB/YUV output (AL251 only)
TV-ready Multimedia Computer Monitor
TV to PC Video Scan Converter Box
Progressive Scan TV
Video Game Station
DVD Player
LCD TV Monitor
Lookup
Tables
Video
RGB
8-bit DAC
8-bit DAC
8-bit DAC
AL250-01
16
July 28, 1999
RSET
VREF
COMP
G
Digital YUV or
R
B
RGB output
(AL251)
AL250
3