Data Translation DT3152-LS, Руководство пользователя

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Chapter 1
2
Features
The DT3152-LS is a high-accuracy, programmable, monochrome
frame grabber board for the PCI bus. It is suitable for both image
analysis and machine vision applications, and is particularly useful
when acquiring snapshots of moving or rotating objects, such as parts
on a production line, for analysis.
The DT3152-LS board accepts video signals in standard composite
and variable-scan video formats, and can perform two-dimensional
(area-scan) or one-dimensional (line-scan) operations. The board
digitizes the signals and either stores the digitized data to the host
computer’s system memory or transfers the digitized data to the
computer’s display controller to display images in real time. In
line-scan mode, the board also continuously acquires images to the
computer’s system memory while displaying them in real-time. The
board transfers image data to the host computer using PCI burst
transfers.
Key features of the DT3152-LS board are summarized as follows:
• Operates on the PCI local bus interface;
• In area-scan mode, can acquire images up to 4,096 pixels per line
by 4,096 lines per frame; in line-scan mode, can acquire images
with as many as 8,192 pixels per line and with as many lines as
the system memory allows;
• Digitizes 8-bit monochrome video from any one of four video
input channels;
• Supports asynchronous reset cameras; for more information on
using the DT3152-LS board with asynchronous reset cameras,
refer to
Appendix D .
• In area-scan mode, synchronizes to any one of four video inputs;
• In area-scan mode, provides Sync Master mode for driving
camera timing;