STM32 MCUs Products

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[WebSite] It is not possible to open a previously saved website page

When trying to open a page that was previously saved with the Firefox browser (current version) the site is loaded, but the Cookies acceptance question appears, so after accepting, the page does not open the content.Please check this, not being able ...

by Not applicable
  • 458 Views
  • 1 replies
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Changing MITx_CRRx and ARR on the fly

Hi, I am trying to change MIT4_CRR2 on the fly to change the period of the PWM output by doing:void EXTI4_IRQHandler(void) { /* USER CODE BEGIN EXTI0_IRQn 0 */ htim4.Instance->CNT = 0; htim4.Instance->CCR3 = 0x0000A978;   /* USER CODE END EX...

Wleon.1 by Associate II
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  • 3 replies
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voltage regulator

where is BYPASS_REG pin of voltage regulator in stm32f407vgt6 and how it was enabled and disabled?

Vtrai by Associate II
  • 450 Views
  • 1 replies
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Unstable work on STM32H743IIT6 mcu.

Hello community! My mcu is STM32H743IIT6 tqsp176 from blue waveshare board. I create a new project from Cube with HAL. Then I make the simplest flashing cycle of the LED:volatile unsigned long x = 0;   while (1) { while (x++ < 2000000) {} x =...

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PYoda.1 by Associate II
  • 2486 Views
  • 17 replies
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STM32F105RBT6 Spi read wrong data.

I am configure w5100 using spi.but at the time of reading its show wrong data.Refer Code link: https://www.carminenoviello.com/2015/08/28/adding-ethernet-connectivity-stm32-nucleo/

vivek by Associate II
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  • 4 replies
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SPI1 Clock speed

Hello,i am using a Nucleo - F411RE board and i want to create a sine wave with an external DAC (mcp4922). So i initialized a SPI connection to send my sine wave table to the external DAC. The frequency of the ouput sine wave should have 40 KHz. At ...

STM32F0 and SPI with CPHA=1 an NSS pin

Hello Forum,I am new to STM32 but familiar with MCUs. My Problem is the SPI interface.In the datasheet there is a figure (figure 277 of document RM0091) where all four possible combination of CPOL/CPHA are shown. There is also the signal nss in the f...