參數(shù)資料
型號： AL251
廠商： Electronic Theatre Controls, Inc.
英文描述： Video Scan Doubler
中文描述： 視頻掃描倍增器
文件頁數(shù)： 3/33頁
文件大小： 595K
代理商： AL251
AL250
July 28, 1999
3
AL250/251
Video Scan Doubler
1.0 Features
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
2
C programming interface
Power-down control via I
2
C
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)
2.0 Applications
TV-ready Multimedia Computer Monitor
TV to PC Video Scan Converter Box
Progressive Scan TV
Video Game Station
DVD Player
LCD TV Monitor
8-bit DAC
8-bit DAC
8-bit DAC
Video Processor
and Scan Doubler
R
G
B
Timing
Control
I
2
C Circuit
VCLK
VCLKX2
HREF
S
S
I
2
C
AL250-01
Digital
YUV or RGB
input
Mode Control
Video
Formatter
RGB
Video
Lookup
Tables
Video Memory
G
G
G
O
S
I
S
VIDHS
VIDVS
RSET
VREF
COMP
R
On-screen
Display
16
16
Digital YUV or
RGB output
(AL251)
2
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