National Instruments 653 Series User Manual page 139

Index
Numerics
+5 V signal, description (table), C-5
653X devices
See also hardware; specific device name
configuring, 1-9
hardware considerations, D-1
installing, 1-7
overview, 1-1
requirements for getting started, 1-2
software programming choices
National Instruments application
software, 1-3
NI-DAQ driver software, 1-4
unpacking, 1-6
8255-emulation handshaking protocol
comparison of protocols (table), 3-4
input handshaking sequence (figure), 3-12
input state machine (figure), 3-13
maximum transfer rate (table), E-1
output handshaking sequence (figure), 3-14
output state machine, 3-15
output timing diagram (figure), 3-16
A
ACK protocol. See level-ACK handshaking
protocol
ACK<1..2> signal
8255-emulation protocol
input handshaking sequence
(figure), 3-12
input state machine (figure), 3-13
output handshaking sequence
(figure), 3-14
output state machine (figure), 3-15
output timing diagram (figure), 3-16
overview, 3-11
© National Instruments Corporation
burst input timing diagrams
default input timing diagram
(figure), 3-7
PCLK reversed (figure), 3-9
transfer example (figure), 3-6
burst output timing diagrams
default output timing diagram
(figure), 3-8
PCLK reversed (figure), 3-10
transfer example (figure), 3-6
connecting signals
change detection, 2-33
handshaking I/O, 2-21
pattern I/O, 2-13
description (table), C-4
handshaking I/O and pattern I/O (table), C-1
leading-edge protocol
input handshaking sequence
(figure), 3-27
input state machine (figure), 3-28
input timing diagram (figure), 3-29
output handshaking sequence
(figure), 3-30
output state machine (figure), 3-30
output timing diagram (figure), 3-31
level-ACK protocol
input handshaking sequence
(figure), 3-17
input state machine (figure), 3-18
input timing diagram (figure), 3-19
output handshaking sequence
(figure), 3-20
output state machine (figure), 3-20
output timing diagram (figure), 3-21
long-pulse protocol
input handshaking sequence
(figure), 3-32
input state machine (figure), 3-33
I-1 NI 653X User Manual