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KB2514

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

Samsung 

Preliminary

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

KB2514

VIDEO AMP MERGED OSD PROCESSOR

The KB2514 is a very high frequency video amplifier &

wide range OSD processor 1 chip system with I2C Bus

control used in monitors. It contains 3 matched R/G/B video

amplifiers with OSD processor and provides flexible

interfacing to I2C Bus controlled adjustment systems.

32-DIP-600A

FUNCTIONS

• R/G/B video amplifier

• OSD processor

• I2C bus control

• Cut-off brightness control

• R/G/B sub contrast/cut-off control

• Half tone

ORDERING INFORMATION

Device

KB2514

Package

32-DIP-600A

Operating Temperature

-20 °C − +75 °C

FEATURES

VIDEO AMP PART

OSD PART

• 3-channel R/G/B video amplifier, 150MHz @f-3dB

• Built in 1K-byte SRAM

• I2C bus control items

• 256 ROM fonts (each font consists of 12 × 18

- Contrast control: -38dB

dots.)

- 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)

• Full screen memory architecture

• Wide range PLL available (15kHz ~ 90kHz,

Reference 800 X 600)

• Programmable vertical height of character

- Switch registers for SBLK and video half tone and

• Programmable vertical and horizontal

CLP/BLK polarity selection and INT/EXT CLP selection positioning

• 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

• 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

• OSD intensity

• BLK, CLP polarity selection

• Clamp gate with anti OSD sagging

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