Index
DAQCard-DIO-24 User Manual
I-4
© National Instruments Corporation
Mode 1
82C55A programming
considerations, B-8
input programming example, B-14
to B-15
input timing (figure), 4-10
output programming example, B-17
to B-18
output timing (figure), 4-11
strobed input, B-12 to B-13
strobed output, B-15 to B-17
Mode 2 bidirectional bus
82C55A programming
considerations, B-18 to B-20
overview, B-8
programming example, B-21 to B-22
timing (figure), 4-12
N
NI-DAQ driver software, 1-3
O
OBF* signal (table), 4-9
OBFA* bit
Mode 1 strobed output, B-16
Mode 2 bidirectional bus, B-19
OBFB* bit, B-16
OKI 82C55A Programmable Peripheral
Interface. See 82C55A Programmable
Peripheral Interface.
optional equipment, 1-5 to 1-6
overview, 1-5
P
PA<7..0> signal
cable connector (table), 4-6
description (table), 4-3
PB<7..0> signal
cable connector (table), 4-6
description (table), 4-3
PC card initialization, B-6 to B-7
PC Card I/O channel interface circuitry, 3-2
to 3-3
PC Card questions and answers for
Windows 3.1, D-1 to D-4
configuration, D-1
operation, D-2
resource conflicts, D-4
resources, D-2 to D-3
PC<7..0> signal
cable connector (table), 4-6
description (table), 4-3
physical specifications, A-2
pin assignments. See also Port C pin
assignments.
cable connector (figure), 4-5
I/O connector (figure), 4-2
Port C pin assignments, 4-3 to 4-4
Mode 1 strobed input (figure), B-13
Mode 1 strobed output (figure), B-17
Mode 2 bidirectional bus (figure), B-20
overview, 4-3
signal assignments (table), 4-4
Port C set/reset control words (table), B-4
Port C status-word bit definitions
Mode 1 strobed input, B-12 to B-13
Mode 1 strobed output, B-16
Mode 2 bidirectional bus, B-19 to B-20
power connections, 4-8 to 4-9
power requirements (from PC card I/O
channel), A-2
power-up pin state considerations and
defaults, 4-4
programming. See register-level
programming.
