FAQs
Eetu Nevalainen
Associate II
since ‎2018-07-19
‎2023-06-14

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  • 12 Posts
  • 1 Solutions
  • 0 Kudos given
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User Activity

PWM input falling edge capture behavior

2020-01-17
Hi,I'm following RM0390 reference manual's PWM input mode example for calculating frequency and duty cycle for incoming PWM signal. Basically I'm using TIM1's CC1 for capturing rising edges and CC2 for capturing falling edges. The question is that is...

LSM303AH self-test fails

2019-06-27
Hi,We're not able pass LSM303AH accelerometer self-test on our products. Please see one of the results below. The datasheet doesn't describe what may be wrong if the self-test fails so could you guide us with this issue.As far I understand the allowe...

STM32F446 wake up from stop mode

2018-06-05
Posted on June 05, 2018 at 18:27Hello,I'm currently testing low-power modes on my MCU and I need to know if it's possible to wake up from stop mode via peripheral interrupts (timer, I2C, USART, ADC and so on)? Reference manual says that all the PLLs...

Configuring DMA for SAI

2018-01-23
Posted on January 23, 2018 at 17:40Hi,I'm trying to transfer data to SAI's fifo via DMA (memory-to-peripheral). I'm following reference manual's instructions for setting up DMA for SAI.As soon as I enable the DMA channel FEIF4 (FIFO overrun/underrun...

What's the proper way to clear RTC alarm output after an alarm?

2017-06-26
Posted on June 26, 2017 at 15:39Hi,STM32F446 user here. I'm routing RTC alarm output to PC13 and after an alarm I need to clear the output pin back to low state. I recall myself reading something about clearing RTC alarm output in a specific way but...
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