National Instruments NI-488.2 ユーザーズマニュアル
Glossary
G-6
ni.com
N
NDAC
Not Data Accepted—One of the three GPIB handshake lines.
See also
See also
.
NRFD
Not Ready For Data—One of the three GPIB handshake lines.
See also
See also
.
P
parallel poll
The process of polling all configured devices at once and reading
a composite poll response. See also
a composite poll response. See also
PC
Personal computer.
PCI
Peripheral Component Interconnect.
PIO
See programmed I/O.
PPC
Parallel Poll Configure—The GPIB command used to configure
an addressed Listener to participate in polls.
an addressed Listener to participate in polls.
PPD
Parallel Poll Disable—The GPIB command used to disable a configured
device from participating in polls. There are 16 PPD commands.
device from participating in polls. There are 16 PPD commands.
PPE
Parallel Poll Enable—The GPIB command used to enable a configured
device to participate in polls and to assign a DIO response line.
There are 16 PPE commands.
device to participate in polls and to assign a DIO response line.
There are 16 PPE commands.
PPU
Parallel Poll Unconfigure—The GPIB command used to disable any device
from participating in polls.
from participating in polls.
programmed I/O
Low-speed data transfer between the GPIB interface and memory in
which the CPU moves each data byte according to program instructions.
See also
which the CPU moves each data byte according to program instructions.
See also
R
resynchronize
When the driver indicates to the application that asynchronous I/O
operations have completed.
operations have completed.
RQS
Request Service.