sc3200 Advanced Micro Devices, sc3200 Datasheet - Page 328

• Manufacturer Part Number: sc3200
• Description: Geode-tm Sc3200 Processor
• Manufacturer: Advanced Micro Devices

7.1
Figure 7-1 shows a top-level block diagram of the Video
Processor. For information about the relationship between
the Video Processor and the other modules of the SC3200,
see Section 2.2 on page 22. The Video Processor module
includes the following functions:
• Video Input Port
• Video Formatter
328
— CCIR-656 decoder
— Capture Video/VBI modes
— Direct Video mode
— Asynchronous video interface
— Horizontal/vertical scalers
— Filters
VIP Data
GX1 Graphics Data
Capture Video/VBI Data to
GX1 Video Frame Buffer
Video Data from GX1 Video Port
Module Architecture
Capture Video/VBI
Direct Video/VBI
Controller and
Bus Master,
Controller
Revision 5.1
VIP
Figure 7-1. Video Processor Block Diagram
Video
Mux
Video
Data
• Mixer/Blender
• TFT interface
• Dot Clock PLL
The following subsections describe each block in detail.
— Overlay with color/chroma key
— Gamma correction
— Color space converters
— Alpha blender
Horizontal Downscaler,
and Vertical Upscalers,
Line Buffer, Horizontal
Video Formatter
and Filters
Overlay with Gamma
RAM and Alpha
Mixer/Blender
Blending
AMD Geode™ SC3200 Processor Data Book
Video Processor Module
TFT_IF