© National Instruments Corporation 3-1 IMAQ PCI/PXI-1411 User Manual
3
Hardware OverviewThis 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