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O
onboard counters
pattern generation, 4-49 to 4-52
theory of operation, 3-3
operating environment specifications, A-2
optional equipment, 1-4
optional software
LabWindows, 1-3
OUT bit, 4-36
OUT1 bit, 4-7
OUT1 signal, 2-14
OUT2 bit, 4-10
OUT2 signal, 2-14
output signal specifications, 2-16, A-1
P
parts locator diagram, 2-3
pattern generation
using external signal, 4-53
using onboard counters, 4-49 to 4-52
Counter 3, 4-49 to 4-50
Counters 1 and 2, 4-50 to 4-52
PC I/O channel control circuitry, 3-2
physical specifications, A-2
pin description
compatibility, 1-1
for Intel 8254 programmable interval
timer, D-3
I/O connector, 2-13, B-1
port registers. See Digital I/O Port Register
Group.
power requirement specifications, A-2
printer communications
building a cable, C-1
sending files to printers, C-2 to C-4
programmable interval timer. See Intel 8254
programmable interval timer.
programming. See also application notes,
registers.
32-bit transfers, 4-48
considerations, 4-37
data-settling delay, 4-43
DMA transfers, 4-48
handshaking modes, 4-39 to 4-42
input data latch, 4-44
interrupt handling, 4-44 to 4-47
© National Instruments Corporation
I/O transfers, 4-43 to 4-44
Mode 0, 4-37
Mode 1, 4-38 to 4-39
pattern generation
using external signals, 4-53
using onboard counters, 4-49 to 4-52
RTSI bus interface, 4-53 to 4-55
RTSI bus switch, 4-54 to 4-55
PULSE1 bit, 4-6
PULSE2 bit, 4-9
R
RD signal, 2-17
Read-Back command, 4-35, B-5
read handshake timing. See handshaking.
read and write timing, 2-19 to 2-20
registers
Configuration and Status Register
Group,
CFG1 Register, 4-5 to 4-7, B-2
CFG2 Register, 4-8 to 4-10, B-2
CFG3 Register, 4-11 to 4-13, B-2
CFG4 Register, 4-14 to 4-15, B-2
CNTINTCLR Register, 4-18, B-3
DMACLR1 Register, 4-19, B-3
DMACLR2 Register, 4-20, B-3
overview, 4-4
STAT Register, 4-16 to 4-17, B-3
Counter Register Group
CNTR1 Register (REQ1 generator),
4-30, B-4
CNTR2 Register (REQ2 generator),
4-31, B-4
CNTR3 Register (timebase
generator), 4-32, B-5
CNTRCMD Register, 4-33 to
4-36, B-5
overview, 4-29
description, 4-3
Digital I/O Port Register Group
overview, 4-21
Port A Register, 4-22, B-3
Port B Register, 4-23, B-3
Port C Register, 4-24, B-4
Port D Register, 4-25, B-4
Read-Back command, B-5, D-9 to D-10
register map, 4-1 to 4-2
Index-5
Index
4-4 to 4-20
AT-DIO-32F User Manual
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