Camera interfaces
STINGRAY Technical Manual
V2.2.0
90
PWM: minimal and maximal periods and frequencies
In the following formulas you find the minimal/maximal periods and frequen-
cies for the pulse-width modulation (PWM).
Figure 47: PulseWidth and Period definition
Note
L
Note the following conditions:
•
PulseWidth
<
Period
•
Period
≥
MinPeriod
Formula 1: Minimal/maximal period and frequency
PulseWidth
Period
period
min
3µs
=
frequency
max
1
period
min
----------------------
1
3µs
--------
333.33kHz
=
=
=
⇒
frequency
min
1
2
16
6
–
×
10
s
-------------------------
15.26Hz
=
=
period
max
1
frequency
min
------------------------------
2
16
µs
=
=
⇒