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STM32F4: What is the max speed (but working) of encoder interface mode?

Question asked by sade.yonatan on Jun 16, 2016
Latest reply on Jun 16, 2016 by waclawek.jan
Hi all.
In our system we use one of the general purpose timers
in "Encoder interface mode", that means, the encoder clocks the timer counter
to count the pulses.
I found this in the documentation:
"Encoder interface mode acts simply as an external clock with direction selection"
So my question is - what is the max frequency of incoming PWM (from the encoder)
That the timer counter would still work?
Does that means that the timer internal clock (sourced by sysclk) does not affect this mode??
Thank all for replying...

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