STM32 MCUs Products

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Resolved! STM32U585 IWDG Early Wakeup Interrupt and Stop modes

The manual I have for the STM32U585 describes the Independent Watchdog (IWDG) peripheral and says it has an Early Wake-Up Interrupt (EWI) feature.  The manual says "Wake-up from Stop with interrupt is supported only in Stop 0, Stop 1, and Stop 2 mode...

BDoon.1 by Associate III
  • 901 Views
  • 1 replies
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HSE OSC configuration fails STM32H7S

I'm new to STM32. I made a custom board using STM32H7S3V8T6, but I think the HSE OSC configuration is failing. If I build main.c in (in Boot, not Appli), if (HAL_RCC_OscConfig(&RCC_OscInitStructure)!= HAL_OK) This part doesn't make HAL_OK, so this go...

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cyn7 by Associate
  • 917 Views
  • 3 replies
  • 0 kudos

Resolved! STM32H743 ADC3 Acquisition voltage accuracy

Now I want to use ADC3 to collect the voltage of single-ended signals. I used IN1 channel to collect the reference voltage source of 1.5V and the internal channel to collect the internal reference voltage source of the chip respectively. The test res...

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hanqingze by Associate III
  • 1777 Views
  • 8 replies
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STM32U0 1.8V and USB 3.3V

Hello! I am working with a STM32U073 on 1.8V and I want to use the USB feature. Indeed, the datasheet tells us that USB needs a separate power supply around 3V (4.1 Power supplies), but every time when I apply this voltage on VDDUSB pin, it goes to t...

Decebalus by Associate II
  • 1319 Views
  • 6 replies
  • 5 kudos

Resolved! BKIN Input to shutdown PWM for motor

Hi, i have configured BKIN pin to detect fault for my overcurrentSo for my motor driver if this pin sense BKIN input. How much time it be will taken by my microcontroller to sense and to act to shutdown my PWM gate signalsIs it hardware glued logic t...

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sag by Associate III
  • 1372 Views
  • 7 replies
  • 0 kudos

Resolved! NUCLEO-H723ZG Ethernet LWIP

hello alli am having stability issues with a sample code that uses ethernet with lwip and freertos.practically the operation is unstable, after a few resets it works but then hard faults appear:HardFault_Handler() at stm32h7xx_it.c:88 0x8000f88<signa...

AntoR by Associate III
  • 1128 Views
  • 3 replies
  • 1 kudos