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Pwm: minimal and maximal periods and frequencies – ALLIED Vision Technologies Stingray F-504 User Manual

Page 109

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Camera interfaces

STINGRAY Technical Manual V4.4.4

107

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 48: PulseWidth and Period definition

Note

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

=

=