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How to measure frequency using Timers

Question asked by Arman Ilmak on Jun 5, 2018
Latest reply on Jun 8, 2018 by dhenry

Hello guys.

When I used LPC17xx series in my last experience of ARM MCUs I used 2 timers one for generating interrupt every 1 second and one for counting the rising edges of the input CAP.

So I started reading the Reference menu of the stm32F2xx ,but there were a lot of timer functions described in timer section.I was confused which one to use for my purpose.

Now I know that how to set the timer to work as a TIME BASE,but for input I didn't know which one to use.One section described external clock mode 1 and the other external clock mode 2 and the other was input capture mode .

Which one should I use?