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Lab-NB User Manual Index-14 © National Instruments Corporation
EXTCONV* low, 2-18
pretrigger DAQ timing (figure), 2-19
waveform generation timing with
EXTUPDATE* signal
(figure), 2-20
single bit set/reset feature, 4-56
control words for Port C (table), 4-65
single-channel data acquisition, 3-5
slot address space, 4-1
24-bit mode (table), 4-2
32-bit mode (table), 4-2
software programming choices, 1-2 to 1-4
LabVIEW and LabWindows/CVI
application software, 1-2
NI-DAQ driver software, 1-3
register-level programming, 1-4
specifications
analog data acquisition, A-2
analog input, A-1 to A-2
analog output, A-2 to A-3
digital I/O, A-3
environment, A-4
physical, A-4
power requirements from Macintosh
NuBus, A-3
timing I/O, A-3
square wave generation, 2-21
SSR-OAC-5 output modules, driving
(note), 1-1
Status Register, 4-9
STB* signal
description (table), 2-13
mode 1 input timing, 2-14
mode 2 bidirectional timing, 2-16
T
TBSEL bit
description, 4-6
selecting timebase for counter A0,
4-39, 4-40
technical support, E-1
theory of operation
analog input circuitry, 3-4
block diagram, 3-3
analog output circuitry, 3-7 to 3-9
block diagram, 3-8
DAQ circuitry, 3-4 to 3-7
analog input settling time versus gain
(figure), 3-6
bipolar analog input signal range
versus gain (figure), 3-7
block diagram, 3-3
DAQ rates, 3-6 to 3-7
description, 3-4 to 3-5
Lab-NB maximum recommended
DAQ rates (figure), 3-6
multichannel (scanned) data
acquisition, 3-5
single-channel data acquisition, 3-5
unipolar analog input signal range
versus gain (figure), 3-7
digital I/O circuitry, 3-9 to 3-10
block diagram, 3-9
functional overview, 3-1 to 3-2
Lab-NB block diagram, 3-1
NuBus interface circuitry, 3-2 to 3-3
block diagram, 3-2
timing I/O circuitry, 3-10 to 3-11
block diagram, 3-10
counter block diagram, 3-11
timebase for counter A0, selecting, 4-39
time-lapse measurement, 2-22
Timer Interrupt Clear Register, 4-34
TIMERUP bit, 4-33
installing interrupt service routine, 4-55
timing connections, 2-17 to 2-24
DAQ timing connections, 2-17 to 2-21
EXTCONV* signal timing
(figure), 2-17
NuBus interrupt generation with
EXTUPDATE* signal
(figure), 2-20
posttrigger DAQ timing (figure)
EXTCONV* high, 2-18
EXTCONV* low, 2-18
pretrigger DAQ timing (figure), 2-19
waveform generation timing with
EXTUPDATE* signal
(figure), 2-20