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AMD Geode™ SC2200 Processor Data Book 319
7
Video Processor Module 32580B
7.0Video Processor Module
The Video Processor module contains a high performance
video back-end accelerator, a video/graphics Mixer/
Blender, and a Video Input Port (VIP), supporting two out-
put choices: CRT or TFT. The back-end accelerator func-
tions include horizontal and vertical scaling and filtering 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 rate up to 135 MHz
Display Modes
• 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