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Chapter 4 Signal Connections
AT-MIO/AI E Series User Manual 4-38
National Instruments Corporation
Figures 4-21 and 4-22 show the input and output timing requirements
for the STARTSCAN signal
Figure 4-21. STARTSCAN Input Signal Timing
Figure 4-22. STARTSCAN Output Signal Timing
Rising-edge
polarity
Falling-edge
polarity
t
w
t
w
= 10 ns minimum
t
w
= 50-100 ns
a. Start of Scan
t
off
t
off
= 10 ns minimum
Start Pulse
CONVERT*
STARTSCAN
STARTSCAN
b. Scan in Progress, Two Conversions per Scan
t
w