STM32 MCUs Products

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Resolved! Cannot identify IRQ reason - STM32H753

I have the following EXTI9_5 handler: (yes, with HAL)void EXTI9_5_IRQHandler(void) { if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_6) != 0) { __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_6); return; }   if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_5) !...

Pavel A. by Super User
  • 1274 Views
  • 11 replies
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Is there any migration guide from old sdk to new

I'm currently in the process of compiling example code from our supplier for an e-ink display. The issue however is it uses functions that predate HAL from what I can tell. While some things are simply renaming to uppercase, some other things are unk...

DSonc.1 by Associate
  • 353 Views
  • 0 replies
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STM32F407 i2c slave configuration

Hello,I am working with STM32F407 evaluation board. I want to use i2c as a slave on it.My master device is siliconlab micro-controller (mighty gecko).What slave address i should use for sending data for STM32?As master needs slave address to send dat...

MAbba.2 by Associate II
  • 530 Views
  • 1 replies
  • 1 kudos

Why ADC isn't correct?

I'm trying to use ADC in stm32g030j6m6 to measure DC voltage.but, whenever I try to make experiences. I found out that under 3V, The accuracy of adc isn't great. It has a 10% error.​I attached source code that I used in my experience and the table th...

Jpark.22 by Associate
  • 1299 Views
  • 6 replies
  • 0 kudos

input capture lost edge with CDC STM32F103C8

hello, i have a input capture who lost edge when i plug USB.when the USB cable is not plug or unpluged works perfectly.i have a toggle led in the capture callback.when i plug the frequency of the led is unstable.when i unlug cable, toggle frequency ...

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kick by Associate II
  • 1153 Views
  • 7 replies
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Resolved! STM32F103RDT6 Crystal

Hi,Iam using STM32F103RDT6 for my project. A 12MHz external crystal is used for the same. In the datasheet it shows REXT is needed.1.What is the purpose of REXT? 2.Is it required mandatory? Because in my board iam not using the same. So I want to kno...

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Mom.1 by Associate II
  • 524 Views
  • 1 replies
  • 0 kudos

Resolved! STM32L0 incorrect reading from the internal temperature sensor

I'm having trouble reading the temperature, its values are incorrect. The temperature in the room is 22C and the temperature of the sensor shows 55C (selfheating and the measurement error cannot be that big). I have many times checked the correctness...

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Piotr1 by Associate II
  • 2065 Views
  • 4 replies
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C# API to create custom ST-LINK utility software

I have a custom C# application for production testing of one of our boards that has an STM32 processor on it. To program the bootloader into the flash I use the ST-LINK utility software. I would like to integrate the program and verify functionalit...

jprinster by Associate II
  • 3365 Views
  • 5 replies
  • 0 kudos