Glossary – National Instruments PXI-1428 User Manual

Page 39

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G-1

IMAQ PCI/PXI-1428 User Manual

Glossary

A

acquisition window

The image size specific to a video standard or camera resolution.

active line region

The region of lines actively being stored. Defined by a line start (relative to
the vertical synchronization signal) and a line count.

active pixel region

The region of pixels actively being stored. Defined by a pixel start (relative
to the horizontal synchronization signal) and a pixel count.

API

Application programming interface.

area

A rectangular portion of an acquisition window or frame that is controlled
and defined by software.

ASIC

Application-Specific Integrated Circuit. A proprietary semiconductor
component designed and manufactured to perform a set of specific
functions for specific customer needs.

B

buffer

Temporary storage for acquired data.

bus

A group of conductors that interconnect individual circuitry in a computer,
such as the PCI bus; typically the expansion vehicle to which I/O or other
devices are connected.

C

Camera Link

Interface standard for digital video data and camera control based on the
Channel Link chipset.

Channel Link

National Semiconductor chipset for high-speed data serialization and
deserialization for transmission across cables up to 10 m.

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