Chapter 3 hardware overview, Functional overview, Video acquisition – National Instruments PCI-1411 User Manual
Page 20: Figure 3-1. pci/pxi-1411 block diagram, Functional overview -1, Video acquisition -1, Figure 3-1, Pci/pxi-1411 block diagram -1, Hardware overview

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3
Hardware Overview
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.
Functional Overview
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.
Figure 3-1. PCI/PXI-1411 Block Diagram
Video Acquisition
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.
PCI Interface
and
Scatter-Gather
DMA Controller
PCI Bus
Acquisition, ROI,
and Control
Color Space
Processor
Video
Decoder
IMAQ SDRAM
Memory
Interface
LUT
External Trigger
Analog Video
(BNC or S-Video)
SDRAM