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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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HAL_ADC_ConvHalfCpltCallback called twice

HelloI try to sample sound at 48kHz using ADC. I use the DMA circular mode. I am using HAL libraries and discovered that HAL_ADC_ConvHalfCpltCallback is called twice sometimes. I get 32 samples from adc, when I get half of them I send them and then w...

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KD�?b by Associate II
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  • 3 replies
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Resolved! ADC TIMER triggered DMA doesn't starts, STM32F401

Hi everyone!I am trying to write a simple code that starts an ADC DMA based on timer temporization.In order to do this on a Nucleo-STM32F401RE board I use:TIM2, channel 1, output compare no output, mode frozen;ADC1, channel 0, timer 2 trigger out eve...

CCont.1 by Associate II
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  • 5 replies
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How to use RCR to produce a fixed amount of PWM pulses?

Hi, I am new to STM32. Currently I am using a STM32F042K6 nucleo board.I am trying to creat a pair of PWM complementary signals with fixed amount of pulses.I use STM32CubeIDE + HAL.The basic idea is to use TIM1 to generate the PWM complementary signa...

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JLuo.1 by Associate II
  • 2166 Views
  • 6 replies
  • 1 kudos

Wake-up STM32F070CBT regularly by timer

Hello guys,I'm using a STM32F070CBT MCU and I need to put it in Stop Mode and wake him up second by second. Looking at the datasheet, I noticed I couldn't use I2C as a wake-up source, and the easiest way to do it would be using GPIO.We've tried to us...

AKäfe.1 by Associate II
  • 289 Views
  • 2 replies
  • 0 kudos