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National Instruments Corporation I -1 PCI-DIO-96 User Manual
Index
Numbers
+5 V supply pin
connecting directly to ground or other
voltage source (warning), 3-8
description (table), 3-4
82C53 Programmable Interval Timer
data sheet, C-1 to C-12
theory of operation, 4-3
82C53 programming considerations, 6-22 to
6-23
general information, 6-22
interrupt programming example, 6-22 to
6-23
82C53 Register Group
address map (table), 5-3
control word format (figure), 5-6
Interrupt Clear Register, 5-10
Interrupt Control Register 1, 5-7 to 5-8
Interrupt Control Register 2, 5-9
82C55A Programmable peripheral Interface
data sheet, B-1 to B-17
theory of operation, 4-3
82C55A programming considerations, 6-7 to
6-19
Mode 0 basic I/O, 6-8 to 6-10
configurations (table), 6-9
programming example, 6-10
Mode 1 strobed input, 6-10 to 6-13
control word configuration
Port A (figure), 6-10
Port B (figure), 6-11
Port C pin assignments (figure), 6-13
Port C status-word bit definitions,
6-12 to 6-13
programming example, 6-13
Mode 1 strobed output, 6-13 to 6-16
control word configuration
Port A (figure), 6-14
Port B (figure), 6-14
Port C pin assignments (figure), 6-16
Port C status-word bit definitions,
6-15 to 6-16
programming example, 6-16
Mode 2 bidirectional bus, 6-16 to 6-19
control word configuration of Port A
(figure), 6-17
Port C pin assignments (figure), 6-19
Port C status-word bit definitions,
6-18 to 6-19
programming example, 6-19
modes of operation, 6-7 to 6-8
Mode 0, 6-7 to 6-8
Mode 1, 6-8
Mode 2, 6-8
single bit set/reset feature, 6-8
82C55A Register Group
address map (table), 5-2
control word formats (figure), 5-4
description, 5-3 to 5-5
Port C set/reset control words (table), 5-5
A
ACK* signal
description (table), 3-8
Mode 1 output timing (figure), 3-10