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stm32f3discovery timer2 channel1

chenping
Associate II

‎2015-04-04 11:19 AM

Posted on April 04, 2015 at 20:19

Hi, I would like to ask that tim2_ch1_etr is there any way to just use the channel without the external trigger?

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Tesla DeLorean
Guru

‎2015-04-04 11:41 AM

Posted on April 04, 2015 at 20:41

They are wired together to save pins, you can use CH1 as an input or output without causing any issues. If you need an ETR input, then you'll lose CH1, and have to use the other channels.

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