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National Instruments Low-Cost Multifunction I/O Board for ISA Lab-PC+ User Manual

Page 208

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Index

Lab-PC+ User Manual

Index-12

© National Instruments Corporation

PRETRIG bit

controlled acquisition mode

posttrigger mode, E-12
pretrigger mode, E-14

data acquisition timing, 3-21
description, D-10
multiple A/D conversions using EXTTRIG

signal, E-11

pretrigger data acquisition timing

(figure), 3-23

pretrigger mode

controlled acquisition mode programming,

E-14 to E-16

freerun acquisition mode

programming, E-17

termination of multiple A/D conversions

using EXTTRIG signal, E-11

programmable gain amplifier, 4-5
programming

A/D interrupt programming, E-19 to E-20
analog input circuitry

A/D FIFO output binary modes, E-4
clearing analog circuitry, E-5
input voltage versus A/D conversion

values (table)

bipolar input mode, E-4
unipolar input mode, E-4

programming sequence, E-3 to E-4

analog output circuitry, E-20 to E-22
digital I/O circuitry, E-23 to E-24

control-word format

control-word flag set to 0 (figure), E-24
control-word flag set to 1 (figure), E-24

Mode 0 operation, E-25 to E-26

control words, E-25 to E-26
programming examples, E-26

Mode 1 input, E-27 to E-28

control words, E-27
Port C pin assignments, E-28
Port C status-word bit definitions, E-28
programming example, E-29

Mode 1 output, E-29 to E-31

control words, E-29
Port C pin assignments, E-30
Port C status-word bit definitions, E-30
programming example, E-31

Mode 2 operation, E-31 to E-34

control words, E-31 to E-32
Port C pin assignments, E-33

Port C status-word bit definitions, E-32
programming example, E-33
single bit set/reset control words, E-33
single bit set/reset feature, E-34

DMA operation, E-20
initializing Lab-PC+, E-1 to E-2
interrupt programming for analog output

circuitry, E-22 to E-23

multiple A/D conversions

channel scanning, E-17
controlled acquisition mode

overview, E-5
programming steps, E-6 to E-8

external timing, E-11 to E-17

controlled acquisition

mode, E-12 to E-16

freerun acquisition mode, E-16 to E-17
using EXTCONV* signal, E-12
using EXTTRIG signal, E-11

freerun acquisition mode

overview, E-5
programming steps, E-8 to E-10

interval scanning, E-17 to E-18
single input channel, E-5 to E-10

controlled acquisition mode, E-6 to E-9
freerun acquisition mode, E-8 to E-10

single-channel interval acquisition mode,

E-18 to E-19

register programming considerations, E-1
software programming choices

LabVIEW and LabWindows/CVI

software, 1-2

NI-DAQ driver software, 1-2 to 1-3
register-level programming, 1-3

pulse and square wave generation, 3-25
pulse-width measurement, 3-25

R

RD* signal

description, 3-17
Mode 1 input timing, 3-18
Mode 2 bidirectional timing, 3-20

referenced single-ended input. See RSE input

(eight channels).

registers, D-1 to D-40. See also specific

register groups and individual registers.