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Chapter 4
Signal Connections
©
National Instruments Corporation
4-11
DAQCard-DIO-24 User Manual
Mode 1 Output Timing
Figure 4-5 illustrates the timing specifications for an output transfer in
mode 1.
Figure 4-5.
Timing Specifications for Mode 1 Output Transfer
Name
Description
Minimum
Maximum
T1
WR* = 0 to INTR = 0
—
250
T2
WR* = 1 to output
—
200
T3
WR* = 1 to OBF* = 0
—
150
T4
ACK* = 0 to OBF* = 1
—
150
T5
ACK* pulse width
100
—
T6
ACK* = 1 to INTR = 1
—
150
All timing values are in nanoseconds.
T2
T3
WR*
OBF*
INT
DATA
T4
T6
T5
ACK*
T1