STM32 MCUs Products

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Resolved! VBUS not turning on on STM32H747I-DISCO

I am trying to configure the HS OTG port on the STM32H747I-DISCO dev board, but setting "Use external vbus" seems to be not enough. I can measure 0.8V on the CPEN line (measured from R11) but I don't see anything on the OUT line of the voltage switch...

chipchop by Associate II
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  • 1 replies
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The use of on-chip DACs in stm32g473cb

STM32G473CB has 3 DAC channel outputs.  a. Can these three DAC channels output a 100KHz triangle wave signal at the same time? b. In addition to the triangular wave, can the output signal output an irregular 100KHz waveform? thanks

licunxu by Associate
  • 217 Views
  • 3 replies
  • 0 kudos

STM32L552 LPTIM1 counter mode interupt

Hello,I'm new to stm32 microcontrollers. I'm trying to figure out how to configure LPTIM1 in counting mode, external clock in using cubeMX. Is there any examples on how to set it up?Is this even possible?Thanks in advance.

Hooks77 by Associate II
  • 197 Views
  • 1 replies
  • 1 kudos

Resolved! STM32G0B1KC USB device non recognized

Hi, I am using STM32G0B1KC ad usb device. I will show you all the conficuration for USB_DRD_FS and USB_DEVICE middleware.I am using the internal HSI48 for the USB clock.When I connect the device to my PC, the device is not recognized.Can anyone help ...

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albvella by Associate II
  • 162 Views
  • 2 replies
  • 0 kudos

Impedance value of the pins

Hi, 1. In order to calculate the values of pull up & pull down resistor, in which section can we find the impedance information?2. Should we use external crystal for OSC_IN & OSC_OUT pins?3. If we are using USB2.0 FS feature what is the reference?Tha...

Meghna by Associate II
  • 211 Views
  • 2 replies
  • 1 kudos

Resolved! ADC watchdog with sleep mode

Greetings,   I am using STM32-L073RZ nucleo board for the testing of ADC watchdog and sleep mode. I want to keep my instrument in sleep mode and when ADC readings increased by few counts then I want to wake-up my controller.    I have written below m...

JeetS by Associate II
  • 251 Views
  • 1 replies
  • 1 kudos

Resolved! DFSDM decimated frequency

Hi I have a simple question about DFSDM configuration. I want to apply sinc5 with 32 samples length and therefore get 32 times decimation. Btw, I use internal ADC1/ADC2 in dual mode. STM32H725.Thus, for a given ADC frequency F I expect to get decimat...

LeonidP by Associate III
  • 287 Views
  • 1 replies
  • 0 kudos

STM32G051 - Current Control, Cycle by Cycle

Hello,I am new with STM32. We would like to do a current control exactly like on this document :https://www.st.com/resource/en/product_training/STM32G0-Analog-Comparators-COMP.pdfpage 13But we would like to use COMP1 for ZCD and COMP2 for overcurrent...

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Marc38 by Associate II
  • 445 Views
  • 6 replies
  • 3 kudos