ETAS
Functional Description
ES441.1 - User Guide
49
• Timer in Free Running Mode. The timer counts from the start of measur
-
ing without being reset during measuring. If the count scope (overflow)
is reached and the measurement is not yet completed, the timer starts to
count from the beginning again. The timer overflows after 2
32
signal
transitions to be counted or after 2
32
* 20 ns = 85.9 s.
The following figures show examples of determining various time sections
totaled from the start of measurement to the current sampling point without a
qualifying signal.
Measuring the Active Time During the Last Period
Fig. 5
-
21
Measuring the Active Time During the Last Period
Measuring the Active Time of a Cycle
Fig. 5
-
22
Measuring the Active Time of a Cycle
Measuring the Active Time Between Two Sampling Points
Fig. 5
-
23
Measuring the Active Time Between Two Sampling Points
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