STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

I2C communication between STM32L4R5 and esp32

I tried creating I2C connection between my stm32 board and esp32. I assume it is not working because of my code, due to the wiring being so simple in I2C communication, the pull up resistor is connected externally. Do you guys see any mistake in my c...

ejeee by Associate
  • 301 Views
  • 9 replies
  • 4 kudos

Resolved! STM32H745 input fast read

Hi, I have problem. I have idea: my STM32H745 must read GPIO state as quickly as possible. FCPU = ~400MHzI wrote the program in assembler for M7LED_ON()ldr r2, [r3, #IDR]ldr r2, [r3, #IDR]... ~650xLED_OFF()...only read, IDR, no write (no record yet)A...

EsKi by Associate II
  • 150 Views
  • 4 replies
  • 0 kudos

Resolved! STM32H533 Longevity

Hi,We've noticed that the STM32H533 micro-controller is not present in Longevity Commitment list.Is there a particular reason for this?  We are planning to use this micro-controller in a number of new products going forward.Best regards,Michael Waite...

Error in the init of ethernet

 Good morning everyone!I'm working on a project involving FreeRTOS, lwip, and Ethernet with the ST32H563VGT6 MCU on a custom PCB.I'm attaching the hardware schematics, which we've taken from ST's schematics of the NUCLEO-H563ZI board. I'm including a...

Esquematicos_ETH.png JonConesa_0-1713435865970.png
JonConesa by Associate II
  • 2124 Views
  • 9 replies
  • 2 kudos

Resolved! STM32f411 crystal

Hi,I am new with stm32F411 mcu, and i have a question. if i want to use RTC features, do i need to add an external 32.768kHz xtal ?Thanks.

HL1 by Associate
  • 58 Views
  • 1 replies
  • 2 kudos

STM32WB55RG USART/LPUART unavailable?

Hello, I am trying to set up this is STM to connect it to another microcontroller via LPUART. To my understanding USART1 is unusable since it is connected to J-Link. I have attempted with LPUART setting up both PA3 and PA2 pins as the respective TX a...