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Forum Posts

Trigger out and ADC using timer TRGO

Hello ST Community,I have a question about the way to trigger out an ADC using internal timer TRGO, i would like to use an STM32L4 or STM32U5 for this function, so i'm using an External Time Reference (ETR) signal and i would like to know if there is...

ABD74 by Associate
  • 1957 Views
  • 3 replies
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Implementation of Dali DT8 Protocol

I would be very grateful if anyone has information about setting up the Dali DT8 4Channel protocol and can guide me.And does anyone know that DiiA standard certificate is given by ST company to buyers who want to use Dali protocol? In other words, is...

HRTIM center-aligned mode with 100% duty?

Is it possible to achieve 100% duty cycle on HRTIM using center-aligned mode?when HRTIM1->sTimerxRegs[5].CMP1xR = 2124 (PERIOD-1), the duty is almost 100% end when HRTIM1->sTimerxRegs[5].CMP1xR = 2125, the duty drops to zero. As per the code below, ...

Asantos by Senior
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  • 2 replies
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Resolved! Hi! I am having isues regarding hal function for setting the pwm duty cycle. I am using stm32f401cd. __HAL_TIM_SET_COMPARE is not setting the value.

aI don't have a scope but i can measure from multimeter, if it is there. I am guessing there is a bug or I am doing something wrong. I think software focuses on Pulse value and does not recognize __HAL_TIM_SET_COMPARE command. I uploaded the code. An...

BELMA.1 by Associate II
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  • 2 replies
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STM32H7 ADC clock and conversion rate

Hello,I'm using a STM32H427ZI rev Y. 20Mhz crystal and ADC to convert 4 channels in scan mode, using a timer to start the conversions (500kS/s) and the DMA to get the data.PLL2 is configured to 80MHz (the max undivided ADC clock is 100MHz). I would l...

tarzan by Associate II
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  • 2 replies
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STM32L0 LPUART not wakeup on stop mode

Hello everyone,I'm working on a project with an STM32L072CBT6.In my project, i use a LPUART1 and USART1 to send and receive data. Connected to this i use a DMA to get data.My projet works fine so i try to implement stop mode to reduce consumption.In ...

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MLam by Associate III
  • 1211 Views
  • 1 replies
  • 2 kudos

Resolved! Cannot get SPI woriking on STM32L0

Greetings good people of ST communityI have a problem which I didn't manage to solve by myself, so I am hoping to get some help if possibleI have an LPS22HB sensor (https://eu.mouser.com/datasheet/2/389/lps22hb-1849683.pdf), and I want to connect it ...

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JZida.1 by Associate II
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  • 3 replies
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Typos in the STM32L0x3 RM0367 Reference manual RM0367 Rev 8?

p.177: Figure 17. Clock tree includes "LSU", "LSD", "LSD", and "LSD" signals between the @V33 block and @V18 block. "LSU" is not included in the figure's abbreviations Legend. It also looks like the first "LSD" should rather be "LSE", the second "LSD...

Todd1 by Associate
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  • 2 replies
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