Index
PC-DIO-24 User Manual Index-4 © National Instruments Corporation
mode 1 strobed output, 4-9 to 4-11
control words written to CNFG
register (figure), 4-9 to 4-10
Port C pin assignments (figure), 4-11
Port C status-word bit
definitions, 4-10
programming example, 4-11
mode 2 bidirectional bus, 4-12 to 4-14
control word written to CNFG
Register (figure), 4-12
Port C pin assignments (figure), 4-13
Port C status-word bit definitions,
4-12 to 4-13
programming example, 4-13 to 4-14
register descriptions, 4-3 to 4-5
control word formats (figure), 4-4
Port C set/reset control words
(table), 4-5
single-bit set/reset feature, 4-4 to 4-5
register map, 4-3
S
signal connections
descriptions (table), 2-7
I/O connector pin description
(figure), 2-6
Port C pin assignments
description, 2-7
signal assignments (table), 2-7
timing specifications, 2-8 to 2-11
mode 1 input timing, 2-9
mode 1 output timing, 2-10
mode 2 bidirectional timing, 2-11
signals (table), 2-8
single bit set/reset feature
OKI 82C55A Programmable Peripheral
Interface, 4-2
Port C set/reset control words
(table), 4-5
software programming choices, 1-2 to 1-4.
See also register-level programming.
LabVIEW and LabWindows/CVI
application software, 1-2
NI-DAQ driver software, 1-3
specifications
digital I/O, A-1
digital logic levels, A-1
environment, A-1
physical, A-2
power requirements (from PC I/O
channel), A-2
transfer rates, A-2
SSR-OAC-5 and SSR-OAC-5A output
modules, driving with PC-DIO-24
(note), 1-1
STB* signal
description (table), 2-8
mode 1 input timing, 2-9
mode 2 bidirectional timing, 2-11
switch settings. See jumper and
switch settings.
T
technical support, D-1
theory of operation, 3-1 to 3-2
82C55A Programmable Peripheral
Interface, 3-2
address decoder, 3-2
block diagram, 3-1
bus transceivers, 3-2
digital I/O connector, 3-2
interrupt control circuitry, 3-2
PC I/O channel control circuitry, 3-2
timing specifications, 2-8 to 2-11
mode 1 input timing, 2-9
mode 1 output timing, 2-10
mode 2 bidirectional timing, 2-11
signals (table), 2-8
transfer rate specifications, A-2
U
unpacking the PC-DIO-24, 1-6
W
WR* signal
description (table), 2-8
mode 1 output timing, 2-10
mode 2 bidirectional timing, 2-11