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EXTI line got odd/even interrupts count.

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 by Associate II
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timer 16 interupt not trigering on a stm32L432

Im migrating the code from a stm32L031 to a stm32L432 and the timer interupt isnt triggering Ive set the LED to toggle in the CaptureCallback. This code works on a L031 using timer22. Clearly Im missing something obvious;void HAL_TIM_IC_CaptureCallba...

PGood.1 by Associate II
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Resolved! Why is SPI clock baud rate limited to 18Mbit/s?

I'm using the STM32F072RB MCU and I am trying to increase the SPI baud rate. The HSI48 Clock is 48MHz and the minimum SPI clock prescaler is 2 which comes out to be 24Mbit/s. However, it gives me an error stating that the baud rate is more than 18MB...

JAlle.2 by Associate II
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RTC shifting in stm32L431

Hi,I am using stm32L431 and (32.768KHz ±20ppm 12.5pF 70kΩ) as LSE.Every day the time is update by internet, but in some cases, the clock shifting about 5 minutes.It occur aroung 2 times to week. what is probably happening?Binary data format and Alar...

GFont.1 by Associate III
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Resolved! STM32F746 doesn't start up

A STM32F746 on a custom board powered by the step-down regulator TPS62082 by TI doesn't start in about 90% of cases.I flashed (which always works fine) a simple test program, which flashes two LEDs alternately:int main(void) { HAL_Init(); SystemC...

0693W000006GWLqQAO.png 0693W000006GWNXQA4.png

Internal ram serving like eprom emulator.

Sometime ago, i tested with sucess a stm32f417 running on 168MHz, reading one full portx, using for address a array in memory and put result on another porty.So, i bring a more powerfull mcu stm32H750 with 1Mb ram, and tested the same code.when i run...

AOliv.1 by Associate II
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