SC2200 datasheet(315/433 Pages) NSC

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Video Processor Module

The Video Processor module contains a high performance

video

back-end

accelerator,

video/graphics

Mixer/Blender, a Video Input Port (VIP), supporting two

output choices: CRT or TFT. The back-end accelerator

functions include horizontal and vertical scaling and filter-

ing of the video stream. The Mixer/Blender function

includes color space conversion, gamma correction, and

mixing or alpha blending the video and graphics streams.

General Features

• Hardware video acceleration

• Graphics/video overlay and blending

• Integrated CRT DACs and PLL

• Selection of interlaced and progressive video from the

GX1 module and the Direct Video Port

Video Input Port (VIP)

• CCIR-656 compatible

• Capture Video/VBI modes

• Direct Video/VBI modes

Hardware Video Acceleration

• Arbitrary X and Y interpolation using three line-buffers

• YUV-to-RGB color space conversion

• Horizontal filtering and downscaling

• Supports 4:2:2, 4:2:0 YUV formats and RGB 5:6:5

format

Graphics-Video Overlay and Blending

• Overlay of video up to 16 bpp

• Supports chroma key and color key for both graphics

and video streams

• Supports alpha-blending with up to three alpha windows

that can overlap one another

• 8-Bit alpha values with automatic increment or decre-

ment on each frame

• Optional Gamma Correction for video or graphics

Compatibility

• Supports Microsoft’s DirectDraw/Direct Video and

Display Control Interface (DCI) Version 2.0 for full

motion playback acceleration

• Compliant with PC98 and PC99 V0.7

• Compatible with VESA, VGA, DPMS, and DDC2

standards for enhanced display control and power

management

Integrated CRT DACs and PLL

• Support up to 135 MHz (three 8-bit DACs)

• PLL rateupto135 MHz

Display Modes

• Supports up to 16.8 million colors

• Supported CRT modes:

— 640x480x16 bpp at 60-85 Hz vertical refresh rates

— 800x600x16 bpp at 60-85 Hz vertical refresh rates

— 1024x768x16 bpp at 60-85 Hz vertical refresh rates

— 1280x1024x8 bpp at 60-75 Hz vertical refresh rates

• Supported TFT modes:

— TFT on IDE: FPCLK max is 40 MHz

— TFT on Parallel Port: FPCLK max is 80 MHz

— 640x480x16 bpp at 60-85 Hz vertical refresh rates

— 800x600x16 bpp at 60-85 Hz vertical refresh rates

— 1024x768x16 bpp at 60-75 Hz vertical refresh rates

— 1280x1024x8 bpp at 60 Hz vertical refresh rate

SC2200 Datasheet(PDF) 315 Page - National Semiconductor (TI)

SC2200 Datasheet(HTML) 315 Page - National Semiconductor (TI)

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