STM32 MCUs Products

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STM32G070 software reset issue

I was doing reset through SPI command and expected results are not happening. this is the line i was expecting to reset the MCUSCB->AIRCR = (NVIC_AIRCR_VECTKEY | (SCB->AIRCR & (0x700)) | (1 << NVIC_SYSRESETREQ));where#define NVIC_AIRCR_VECTKEY (0x05F...

aravindpv by Associate III
  • 124 Views
  • 12 replies
  • 4 kudos

I2C1 Negative Overshoot - STM32U5G9

We are using STM32U5G9's I2C with a diff-I2C to single ended I2C converter IC PCA9616. PCA9616 is used to program the STM32 MCU over I2C1 by converting diff-I2C to single ended I2C.However, while probing the I2C1 of the STM32U5G9, we are seeing negat...

STM32G474 FDCAN tx buffers

Since the description of the FDCAN controller in the reference manual ofthe STM32G474 was not detailed enough, I looked around for more Informationand found the Application Note AN5348 ("FDCAN peripheral on STM32 devices ").But that didn't make me fe...

ULehm.1 by Associate III
  • 3427 Views
  • 5 replies
  • 1 kudos

LWIP + FreeRTOS Ping Issues

Hi all,I've been working through this tutorial: How-To-Create  to bring up LWIP + FreeRTOS on the STM32H735IGK development kit. I'm using STM32CubeIDE 1.18.0, FreeRTOS with CMSIS-v1, and STM32Cube FW_H7 version 1.12.1I noticed that pinging is very sp...

arp_stops_responding.png ping_intermittent_wireshark.png intermittent_ping.png ethernetif.png
merakian by Associate II
  • 539 Views
  • 3 replies
  • 0 kudos

"Jumps" in ADC output of stm32G474RET6 using DMA

I am running the ADC using a timer trigger and DMA to sample a sinusoidal signal.The captured samples are transmitted to a PC via UART.However, as shown in the attached image, the ADC output appears to be step-like and does not capture smoothly chang...

1000028368.jpg

USB-PD attention callback never get's triggered?

Problem When i call * USBPD_PE_SVDM_RequestAttentionI get a OK message response but the callback never gets called.  * USBPD_VDM_SendAttention Curious to know if there's any good way to debug this?  Current debugging stepsI have a STM32G0-Disco board...

Current2.png Current capture.png Screenshot 2025-12-21 at 10.12.14 AM.png Screenshot 2025-12-21 at 10.01.39 AM.png

STM32G4 -- Flash via I2C-Bootloader Problem

Hi,We are facing the same issue like the below community post. https://community.st.com/t5/stm32-mcus-products/flash-via-i2c-bootloader-problem-for-stm32g0b1kbu6/m-p/636467#M234685 But we are using  'STM32G431RBT6' in our project, kindly let us know ...

Ananthu by Associate II
  • 216 Views
  • 8 replies
  • 0 kudos

STM32L051C8 comparator consumption

Hi,I have a strange problem on an STM32L051C8 with the comparators enabled in window mode.If I put the system in stop about 20 seconds after powering the microcontroller, the current draw is about 250 uA. If I then exit the stop mode with a soft rese...

Ufoit by Associate II
  • 89 Views
  • 2 replies
  • 0 kudos