NT68520 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

NT68520

XGA, SXGA Flat Panel Monitor Controller

Unspecified 

NT68520X,E

FEATURES

VGA Front End

♦ Built-in triple high-speed ADC, PLL, and pre-amplifier for analog RGB input

♦ Support both non-interlaced and interlaced RGB graphic input signals

♦ Internal generated programmable clamping pulse

♦ Gain control for input signal ranging from 0.5V~1.0V

♦ Support 32 steps of phase adjust

♦ ADC sampling rate up to 110 MHz for X type and135 MHz for E type

♦ VGA input resolution up to XGA 1024x768@75 for X type and SXGA

1280x1024@75Hz for E type

YUV Front End

♦ Support ITU-R BT.656 8-bit Input

♦ Built-in YUV to RGB color space converter

Video Processor

♦ Flexible de-interlacing unit for VGA and digital YUV video input data

♦ Independent Horizontal and Vertical zoom in/out algorithm

♦ Enhanced interpolation algorithm for optimal image quality

♦ RGB offset control for brightness adjust

♦ RGB gain control for contrast adjust

♦ 8-bit programmable gamma table for panel compensation

♦ Dithering function supports 24-bit quality for 18-bit panel

♦ Auto-calibration function for quick video centering, clock adjust, and phase adjust

Sync Processor

♦ Signal type accepts separate, composite and TTL-Level Sync-On-Green (SOG)

♦ Polarity detection for HSYNCI and VSYNCI

♦ Fast mode change detection function

Internal OSD Support

♦ 128 ROM fonts at the size of 12x18

♦ 64 programmable RAM fonts

♦ Internal SRAM allows up to 320 characters, with programmable OSD frame size

♦ Programmable shadow or border control for each character

♦ Programmable blinking effect for each character

2003/4/15

4

Ver.1.0

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