©
National Instruments Corporation
I-1
PC-DIO-24/PnP User Manual
Index
Special Characters
+5 V signal
connection to ground or other voltage source
(caution), 3-7
description (table), 3-3
power connections, 3-7
self-resetting fuse, 3-7
82C55A Programmable Peripheral Interface
capabilities, 1-1
data sheet, B-1 to B-17
modes of operation. See modes of operation,
82C55A.
overview, 4-2
register description, C-3 to C-5
control word formats (figure), C-4
Port C set/reset control words
(table), C-5
A
ACK* signal
description (table), 3-10
mode 1 output timing, 3-13
mode 2 bidirectional timing, 3-14
Port C signal assignments (table), 3-4
address, setting. See base I/O address settings.
application software descriptions, 1-2 to 1-3
B
base I/O address settings
PC-DIO-24 (non-PnP), D-3 to D-5
example settings (figure), D-4
example settings with corresponding
base I/O address and address space
(table), D-5
factory settings (table), D-2
in use by other equipment (note), D-3
PC-DIO-24/PnP
selecting, 2-3
valid addresses, C-1
block diagram of PC-DIO-24/PnP, 4-1
board configuration. See configuration.
bulletin board support, E-1
bus interface, 4-2
bus transceivers, 4-2
C
cables, custom, 1-5 to 1-6
ComponentWorks software, 1-2
configuration. See also installation.
PC-DIO-24 (non-PnP), D-2 to D-7
base I/O address settings, D-3 to D-5
factory-set jumper and switch settings
(table), D-2
interrupt selection, D-5 to D-7
parts locator diagram, D-3
PC-DIO-24/PnP
base I/O address and interrupt
selection, 2-3
general requirements, C-1
Plug and Play configuration, 2-2
Configuration Manager, 2-2
control words
control-word formats (figure), C-4
mode 1 strobed input (figure), C-11 to C-12
