National Instruments AT-MIO-16X User Manual

Page 330

Index

I-21

AT-MIO-16X User Manual

TMRREQ Clear Register

clearing analog output circuitry, 5-32
description, 4-54
DMA operations, 5-41
interrupt programming, 5-43
programming DMA operations, 5-41
servicing update requests, 5-35 to 5-36

TMRREQ signal

DAC waveform timing circuitry, 3-20
interrupt programming, 5-43
servicing update requests, 5-35 to 5-36

TMRTRIG* signal

controlled by A4RCV bit, 4-9
programming analog output

circuitry, 5-25

RTSI switch, 3-30
servicing update requests, 5-35

trigger, applying, 5-21
two's complement mode A/D conversion

values (table), 4-34

unipolar input, 2-10
unipolar mode, analog output voltage versus

digital code (table), 4-42

unipolar output, 2-12
unpacking AT-MIO-16X, 1-7
update counter, selecting, 5-32
update-interval counter, programming,

5-32 to 5-33

VirtualBench software, 1-5
voltage reference calibration, 6-8 to 6-9

waveform generation programming. See also

DAC waveform circuitry and timing.

clearing analog output circuitry, 5-32
cyclic waveform generation, 5-26 to 5-27
programmed cycle waveform generation,

5-28 to 5-30

pulsed cyclic waveform generation,

5-30 to 5-32

selecting internal update counter, 5-32
update-interval counter, 5-32 to 5-33
waveform cycle counter, 5-34
waveform cycle interval counter,

5-34 to 5-36

servicing update requests,

5-35 to 5-36

wiring considerations, 2-42 to 2-43