National Instruments AT-MIO-16X User Manual

Page 319

Index

AT-MIO-16X User Manual

I-10

description, 2-22
ground-referenced signal sources, 2-23
nonreferenced or floating signal sources,

2-24 to 2-26

recommended configuration (table), 2-22
single-ended connections, 2-26 to 2-37

floating signal sources (RSE), 2-27
grounded signal sources

(NRSE), 2-28

when to use, 2-22

differential nonlinearity errors

analog input, A-4
analog output, A-8

DIGGND signal

description (table), 2-17, B-4
digital I/O connections, 2-31 to 2-32

Digital Input Register. See Digital I/O Register

Group.

digital I/O

overview, 1-3
signal connections, 2-31 to 2-32
specifications, A-8

digital I/O circuitry

block diagram, 3-24
programming, 5-36 to 5-37
theory of operation, 3-24 to 3-25

Digital I/O Register Group, 4-68 to 4-70

Digital Input Register

description, 4-69
digital I/O circuitry, 3-25
programming digital I/O

circuitry, 5-36

Digital Output Register

description, 4-70
overview, 3-25
programming digital I/O

circuitry, 5-36

Digital Output Register. See Digital I/O

DIOPAEN bit

description, 4-14
programming digital I/O circuitry, 5-36

DIOPBEN bit

description, 4-13
programming digital I/O circuitry, 5-36

DMA Channel Clear Register, 4-58
DMA channels

configuring, 2-7
PC I/O channel interface, 3-4

DMA operations, programming, 5-41 to 5-42

dual-channel interleaved mode, 5-42
procedure, 5-41 to 5-42
servicing update requests, 5-35 to 5-36
single-channel interleaved mode, 5-42

DMA request generation

controlling with bits in Command

DMA and interrupt modes (table),

4-16 to 4-17

interrupt level selection (table), 4-19

programming, 5-42

DMACHA bit, 4-15
DMACHAB<2..0> bits, 4-11 to 4-12
DMACHB bit, 4-15
DMACHBB<2..0> bits, 4-11
DMATCA bit

clearing analog output circuitry, 5-32
description, 4-26
interrupt programming, 5-43
programming DMA operations, 5-42

DMATCA Clear Register

clearing analog output circuitry, 5-32
description, 4-59
interrupt programming, 5-43
programming DMA operations, 5-42

DMATCB bit

clearing analog output circuitry, 5-32
description, 4-26 to 4-27
interrupt programming, 5-43