About EYang.11

EYang.11 · 2021-02-02

Hi guys,I'm a little confused about the trigger voltage for rising-falling triggered interrupts. As my previous understanding, the trigger voltage should be Vih and Vil. But some one told me Vih and Vil is not for edge triggered interrupts. The thing...

EYang.11 · 2020-12-21

Hi friends,I met a problem.I used one EXTI line to check a button push-and-release. EXTI line was set to be triggered by both falling and raising edge. I know there will be burr when I pushed the bottom. The question is , when I pushed and then relea...

EYang.11 · 2021-02-09

Hi, thanks for reply. I thought the trigger value should be relatively close to the guaranteed value. For my case, I think the trigger value should be close to 2V instead of 1v. Will there be so big difference with the guaranteed value? My concern is...

EYang.11 · 2021-02-08

Thanks for reply. I also find this 'undetermined' area in official doc. But my question is still there: why this area is undetermined? Related to what charactistics of hardware/circuit？Why could not design it as always determined?

EYang.11 · 2020-12-22

Thanks for your reply. I will check the behavior of pushing button with a Oscilloscope. I just did not expect so many bouncing and so fast. Thanks,

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how much trigger voltages for STM32F103 rising falling edge triggered interrupts are?

EXTI line got odd/even interrupts count.

Re: how much trigger voltages for STM32F103 rising falling edge triggered interrupts are?

Re: how much trigger voltages for STM32F103 rising falling edge triggered interrupts are?

Re: EXTI line got odd/even interrupts count.