STM32 MCUs Products

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STM32G474 WKUP Pin needs to be pulled down?

Hello,I’m using an STM32G474 in standby mode and have found some weird behavior. I know the MCU is entering standby mode as the flag is set upon wake up, however the MCU is still drawing ~120μA in standby. The WKUP pin is floating when not pulled up....

Resolved! GPIO set certain bits without affecting others

BTW, what is the forum to ask general programming questions on STM32 architecture?STM32F103C8TxI have two timer interrupt routines, sharing thevoid HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef* htim)call. Depending on which handle is passed, I pro...

Resolved! Porting STM32H7 Composite-Audio-HID to STM32G4

I am trying to develop a HID and UAC Composite Device with STM32G491.I was proceeding with the implementation with reference to I-CUBE-USBD-Composite, but although it is recognized as a Composite Device from Windows 11, a problem like this occurs and...

Resolved! STM32G491 USB Composite(HID & UAC) problem

I have recently developed a USB Compoite (HID Keyborad & Audio Speaker) device using the STM32G491.I have been able to have it recognized as a Composite Device in the Windows 11 Device Manager, and I have been able to input keys and play PC sound fro...

Changing the itnvec_start address

Hello everyone,we are using STM32F072RB for our hardware. The application is linked to stm32f0 library. In the application, we wanted to change the icf file and let the ROM region as well as the interrupt vector table to begin from 0x080a'0000 rather...

IWahe.1 by Associate
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  • 4 replies
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Start advertisement without Tx Power type in it

  @remi @remi2 I am using 1.16 full.bin stack, as the peripheral.Issue: some hci commands are disabled in the _full.bin. I can't use other bin. Can I achieve it without a different stack? Thanks a lot for all the helpers!   

muslimah by Associate II
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  • 1 replies
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Resolved! STM32 I2C pins has slow rise up

Hello, I have this problem with the I2C channel of the STM32F103C8T6 (original), the SDA and SCL signal have very steep rise times, and the slave devices do not recognize the commands. In the image you can see that the SDA has more than 1.5us rise wh...

FAndr.5 by Associate III
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  • 7 replies
  • 3 kudos

STM32H7 doesn't run properly after flash erase

Hi guysAfter erasing the flash memory with STM32CubeProgrammer, my STM32H745ZI doesn't run CM4 correctly anymore.I'm experiencing this error:Break at address "0xfffffffe"with no debug information available.Should I need to restore some default config...

Resolved! SysTick registers information for U575 MCU

Hello friends! I have been trying to start the systick timer on my NUCLEO 575 board. But somehow I keep rifling through the user guide, yet cannot find information. Could please anybody let me know where exactly in the guide is the description of how...

Skfir by Senior
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  • 2 replies
  • 1 kudos