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Hardware Overview
Functional Overview
Analog Video
(BNC or S-Video)
Video Acquisition
© National Instruments Corporation
This chapter presents an overview of the hardware functions on your
PCI/PXI-1411 board and explains the operation of each functional unit
making up the PCI/PXI-1411.
The PCI/PXI-1411 features a flexible, high-speed data path optimized for
the acquisition and formatting of video data from analog monochrome and
color cameras.
The block diagram in Figure 3-1 illustrates the key functional components
of the PCI/PXI-1411.
Video
Color Space
Decoder
Processor
Acquisition, ROI,
and Control
External Trigger
The PCI/PXI-1411 can acquire analog color video in a variety of modes
and store the images in the onboard SDRAM memory or transfer the
images directly to PCI system memory.
LUT
SDRAM
IMAQ SDRAM
Memory
Interface
Figure 3-1. PCI/PXI-1411 Block Diagram
3-1
3
PCI Interface
and
Scatter-Gather
DMA Controller
IMAQ PCI/PXI-1411 User Manual
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