Glossary
Getting Started with Your PCI/PXI-6810 SDA
G-6
© National Instruments Corporation
DRAM
dynamic RAM
drivers
software that controls a specific hardware device such as a plug-in
instrument or a GPIB interface board
dual-access memory
memory that can be sequentially accessed by more than one controller
or processor but not simultaneously accessed. Also known as shared
memory.
dual-ported memory
memory that can be simultaneously accessed by more than one
controller or processor
E
ECL
emitter-coupled logic
EEPROM
electrically erasable programmable read-only memory—ROM that can
be erased with an electrical signal and reprogrammed
electrostatically
coupled
propagating a signal by means of a varying electric field
EMC
electromechanical compliance
EPROM
erasable programmable read-only memory—ROM that can be erased
(usually by ultraviolet light exposure) and reprogrammed
event
the condition or state of an analog or digital signal
external trigger
a voltage pulse from an external source that triggers an event such as an
A/D conversion
F
false triggering
triggering that occurs at an unintended time
fetch-and-deposit
a data transfer in which the data bytes are transferred from the source to
the controller, and then from the controller to the target
