【应用笔记】Avalon总线视频输入模块(Avalon Video Input Module)

【应用笔记】Avalon总线视频输入模块(Avalon Video Input Module)
Avalon总线视频输入模块提供了一个灵活的视频捕获解决方案，该方案可以在Altera的Cyclone或Stratix器件上实现，并具有如下特点:
The Avalon™ video input module provides a flexible video capture
solution, which may be implemented in Altera® Cyclone™ or Stratix®
devices, and has the following features:
■ Component video interface to VGA camera module
■ Color-bar test pattern generator
■ Clipping of input image
■ Horizontal (Y) scaling of input image
■ Vertical (X) scaling of input image
■ Avalon direct memory access (DMA) master to write image(s) to
frame buffer memory
■ Avalon register slave for control and status
Avalon Video Input Module


Version 1.0, December 2004 Application Note 373



Introduction The Avalon video input module provides a flexible video capture
solution, which may be implemented in Altera Cyclone or Stratix
devices, and has the following features:

■ Component video interface to VGA camera module
■ Color-bar test pattern generator
■ Clipping of input image
■ Horizontal (Y) scaling of input image
■ Vertical (X)