STM32 MCUs Products

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USB on STM32H503

I'm having problems enabling USB on STM32H503 and I'm hoping there's a simple solution that you can point me to. The problem happens on both my custom board (STM32H503CBT6-based), as well as on MB1814B (STM32H503RBT6-based).  Here's the simplest repr...

romp by Associate
  • 360 Views
  • 1 replies
  • 1 kudos

Questions on how RTC clock usage STM32F103

I am planing to have a time functionality on a project I want to make.After reading the manual I undestood I have a 32 bit counter which increases with TR_CLK.Let's say I want to update the clock every 1ms, that would leave me with aproximately 49.5 ...

Resolved! Generate Tone Using DAC - STM32 NUCLEO-F410RB

Is possible to generate different tone using dac peripheral for triangle wave form generation using PCM sample in stm32 nucleo F410RB controller. Is it possible to generate tone using wav data(pcm array).1.If possible to generate need to give wav for...

AMS12345 by Associate III
  • 897 Views
  • 12 replies
  • 4 kudos

Resolved! Operations on doubles with very unexpected results

Hi all,I am stumped with an issue that looks trivial but apparently isn't really ?This code... :double TMP117ConvertTemperatureToCelsius(uint16_t temperature) { double temp_double = (double)temperature; double multiplied = (double)temp_double * 7.8...

Resolved! STM32H745 DAC2 missing

Hi, I would need dual DAC using STM32H745. According to datasheet, it should have two DAC converters. In STM32CubeIDE, I can see only DAC1 with two channels. In the datasheet, I can only see DAC1_OUT1 and DAC1_OUT2 pins, but no DAC2 out pins. Is ther...

mosamasa by Associate II
  • 699 Views
  • 8 replies
  • 0 kudos

STM32U5 RTC calibration process

I am currently working with an STM32U5 microcontroller and would like to request more information on the process of calibrating the RTC (Real-Time Clock). We are using an external 32.768 kHz LSE oscillator with 10pf burden capacitors, but we are obse...

SPI CLK frequency dividing method

SPI CLK frequency dividing methodIn microcontroller (STM32H43), SPI1, 2, and 3 use a common CLK Source.Is it possible to separate these CLK Sources?Also, I would like to divide SPI2 and 3 more than 256 divisions, but is that possible?Please help me.

Resolved! problem with debug

hello everyoneI'm having problem with debugging stm32f103 blue pill with Keil 5.39 ans st-link v2 programmer.my programmer work fine when i load code without debug on micro but when i want to go to debug mode, my code run till the line__HAL_AFIO_REMA...

EBrz by Associate
  • 352 Views
  • 3 replies
  • 0 kudos