STM32 MCUs Products

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UART in STM32-L432KC

This is regarding the UART1 and UART2. 1. I am trying to learn how UART works by communicating between STM32 and ESP32. I am able to send data from STM32 to ESP32 and it works. However, when I do the same from ESP32 to STM32, for some reason I cannot...

Abijith by Associate II
  • 2587 Views
  • 9 replies
  • 1 kudos

SMBus blocked and how to recover it

Hi ST tesam,When I use the HAL of STM32C031, I have some trouble about SMBus.Q1:When I use the SMBus of STM32C031 series. If I do not got the feedback from the slave, sometimes the SDA will pull down(similar to the yellow line show as below) and syst...

LsnLeeJW_0-1719216894031.png
LsnLeeJW by Associate II
  • 541 Views
  • 0 replies
  • 0 kudos

Resolved! How to configure STM32F407VG using Ethernet in ENC28J60

Hi Team, where we are trying interface ENC28J60 in STM32F407VG Microcontroller to use Ethernet, Is there any procedure to create a project in cube ide are any link related to this board how to interface ENC28J60 to STM controller. Best Regards,Gagan ...

ggowd.1 by Associate III
  • 3130 Views
  • 7 replies
  • 2 kudos

ARM exception STM32f203 based Micro

Working on a product-based STM32F203, getting multiple ARM exceptions of all kinds, Bus Fault, Usage Fault, Hard fault, and Mem fault. The issue is I have a year-old debug Log for debugging purposes. I can't recreate any ARM exception to check the st...

Dev3835 by Associate
  • 572 Views
  • 1 replies
  • 1 kudos

2 Nucleo as slave to Modbus master

I want to connect 2 Nucleo F103RB as slave (2 Nucleo slaves) to one master (PC for now) over Modbus (RS485). how can I do that? Please note I am new to STM32, so I have limited knowledge.P.S. I have connected one master (PC) and one slave (Nucleo) bu...

Resolved! STM32L476RE output characteristic impedance

Hi team,I am currently developing a board with the STM32L476RET6. This project involves UART communication (UART4, PA0 and PA1), and I am concerned about EMI due to the fast rising and falling edges of the TX signal. To address this issue, I am imple...

LucasRosa by Associate II
  • 2466 Views
  • 9 replies
  • 2 kudos

Resolved! Stm32f429zi RCC setup

Hi!I'm using Nucleo-f429zi board and my trying to configure it to read and write data over modbus RTU (RS485)and i'm using keil uvision 5 to program. I have referred some videos and post on how to configure STM32 and its USART port for modbus communi...

jared212 by Associate
  • 721 Views
  • 1 replies
  • 0 kudos