© National Instruments Corporation I-1 653X User Manual
Index

Numbers

+5 V signal, description (table), C-5
653X devices. See also hardware; specific
device name.
configuring, 1-8 to 1-9
installing, 1-6 to 1-8
overview, 1-1 to1-2
requirements for getting started, 1-2
software programming choices, 1-3 to 1-5
National Instruments application
software, 1-3 to 1-4
NI-DAQ driver software, 1-4 to 1-5
unpacking, 1-5 to 1-6
8255-emulation handshaking
protocol, 3-12 to 3-17
comparison of protocols (table), 3-4 to 3-5
input handshaking sequence
(figure),3-12to3-17
input state machine (figure), 3-14
maximum transfer rate (table), E-2
output handshaking sequence (figure), 3-15
output state machine (figure), 3-16
output timing diagram (figure), 3-17

A

ACK protocol. See level-ACK handshaking
protocol.
ACK<1..2> signal
8255-emulation protocol
input handshaking sequence
(figure), 3-13
input state machine (figure), 3-14
output handshaking sequence
(figure), 3-15
output state machine (figure), 3-16
output timing diagram (figure), 3-17
overview, 3-12 to 3-13
burst input timing diagrams
default input timing diagram
(figure), 3-8
PCLK reversed (figure), 3-10
transfer example (figure), 3-6
burst output timing diagrams
output timing diagram (figure), 3-9
PCLK reversed (figure), 3-11
transfer example (figure), 3-6
connecting signals
change detection, 2-31
handshaking I/O, 2-10 to 2-11
pattern I/O, 2-24
description (table), C-4
handshaking I/O and pattern I/O (table), C-1
leading-edge protocol
input handshaking sequence
(figure), 3-29
input state machine (figure), 3-30
input timing diagram (figure), 3-31
output handshaking sequence
(figure), 3-32
output state machine (figure), 3-33
output timing diagram (figure), 3-34
level-ACK protocol
input handshaking sequence
(figure), 3-18
input state machine (figure), 3-19
input timing diagram (figure), 3-20
output handshaking sequence
(figure), 3-21
output state machine (figure), 3-22
output timing diagram (figure), 3-23