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National Instruments NI 785xR User Manual

Page 70

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Glossary

R Series Intelligent DAQ User Manual

G-4

© National Instruments Corporation

DIO

Digital input/output.

DIO<i>

Digital input/output channel signal.

DMA

Direct memory access—A method by which data can be transferred
to/from computer memory from/to a device or memory on the bus while the
processor does something else. DMA is the fastest method of transferring
data to/from computer memory.

DNL

Differential nonlinearity—A measure in LSB of the worst-case deviation of
code widths from their ideal value of 1 LSB.

DO

Digital output.

E

EEPROM

Electrically erasable programmable read-only memory—ROM that can be
erased with an electrical signal and reprogrammed.

F

FPGA

Field-Programmable Gate Array.

FPGA VI

A configuration that is downloaded to the FPGA and that determines the
functionality of the hardware.

G

glitch

An unwanted signal excursion of short duration that is usually unavoidable.

H

h

Hour.

HIL

Hardware-in-the-loop.

Hz

Hertz.