參數(shù)資料
型號： KB2514
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
中文描述： 視頻放大器合并OSD處理器的顯示器
文件頁數(shù)： 2/55頁
文件大?。?/td> 563K
代理商： KB2514
VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
KB2514
1
Preliminary
VIDEO AMP MERGED OSD PROCESSOR
The KB2514 is a very high frequency video amplifier &
wide range OSD processor 1 chip system with I
2
C Bus
control used in monitors. It contains 3 matched R/G/B video
amplifiers with OSD processor and provides flexible
interfacing to I
2
C Bus controlled adjustment systems.
FUNCTIONS
R/G/B video amplifier
OSD processor
I
2
C bus control
Cut-off brightness control
R/G/B sub contrast/cut-off control
Half tone
FEATURES
VIDEO AMP PART
3-channel R/G/B video amplifier, 150MHz @f-3dB
I
2
C bus control items
- Contrast control: -38dB
- Sub contrast control for each channel: -12dB
- Brightness control
- OSD contrast control: -38dB
- Cut-off brightness control (AC coupling)
- Cut-off control for each channel (AC coupling)
- Switch registers for SBLK and video half tone and
CLP/BLK polarity selection and INT/EXT CLP selection
Built in ABL (automatic beam limitation)
Built in video input clamp, BRT clamp
Built in video half tone (3mode) function on OSD
pictures
Capable of 8.0Vp-p output swing
Improvement of rise & fall time (2.2ns)
Cut-off brightness control
Built in blank gate with spot killer
Clamp pulse generator
OSD intensity
BLK, CLP polarity selection
Clamp gate with anti OSD sagging
32-DIP-600A
ORDERING INFORMATION
Device
KB2514
Package
32-DIP-600A
Operating Temperature
-20
°
C
+75
°
C
OSD PART
Built in 1K-byte SRAM
256 ROM fonts (each font consists of 12
×
18
dots.)
Full screen memory architecture
Wide range PLL available (15kHz ~ 90kHz,
Reference 800 X 600)
Programmable vertical height of character
Programmable vertical and horizontal
positioning
Character color selection up to 16 different
colors (in a units of character)
Programmable background color (up to 16
colors)
Character blinking and shadowing
Character scrolling
72MHz pixel frequency from on-chip PLL
(Reference 800 X 600)
Full white pattern generation function
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