National-instruments PCI-1411 Manual de usuario descargar pdf (Pagina 20)

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

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National-instruments PCI-1411 Manual de usuario Pagina 20