STM32 MCUs Products

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Forum Posts

Change timers output compare mode

Hello,I have a problem, I would like to change a timer output compare mode on my STM32G484xE microcontroller. I would like to switch between toggle and PWM mode 1. I do the whole thing with a small function for writing registers:void ProgRegister(uin...

Rafael1 by Associate
  • 505 Views
  • 2 replies
  • 1 kudos

bootloader start application in ram, can't run task

hello:     I use NUCLEO-H7A3ZI-Q to implement a bootloader feature:the bootloader runs in 0x08000000 at flash, it'll copy the application stored in 0x08005000 to 0x24000000 in RAM, then jump to 0x24000000, if one LED turns on, indicates jumping to ap...

lbapplem by Associate II
  • 390 Views
  • 1 replies
  • 0 kudos

Resolved! GPIO connections of OCTOSPI on external flash and ram

My MCU is the STM32H723. To save GPIO pins, I would like to use the following architecture:- Connect external HyperRAM and Flash to one OCTOSPI bus. - Use multiplexed mode to access OCTOSPIM_P1 and OCTOSPIM_P2.- Map external RAM and Flash to differen...

STM32G4 chaos in internal ref

Hi, i start design on G4 and am confused with internal ref in MX.1. Internal REF for ADC isnt real internal, but Vref2.Internal ref for comparators is 1/2 1/4 3/4 ... , but from what ?3. ADC stop working without VREF+ pin voltage, but comparator work...

MM..1 by Chief III
  • 1198 Views
  • 0 replies
  • 1 kudos

Need help with specific I2C DMA setup on STM32U5

Hello,I am trying to implement the following: a timer (tim3) is set to PWM generation, outputting a pulse periodically. Its TRGO triggers the DMA channel to request I2C to initiate a read transaction, read 8 bytes and generate an event interrupt (TC ...

ruddy17 by Associate II
  • 1994 Views
  • 5 replies
  • 1 kudos

Implementing MQTT in STM32F407G

Hi Team,I am currently working on a project involving the STM32F407G microcontroller, where I have configured MQTT to connect to a server. However, I am encountering persistent issues and have been unable to establish a successful connection.The spec...

ggowd.1 by Associate III
  • 8041 Views
  • 12 replies
  • 1 kudos

Resolved! UART Transmitting issue or any other issue

Hi Everyone, I am using STM32F407DISCO board and made a simple program which transmit some values. The program is as follows   #include "stm32f4xx_hal.h" #include "main.h" UART_HandleTypeDef USART2Config; void GPIO_Init(void); void UART2_Init(void...

AHayee_0-1726491245079.png AHayee_1-1726491391625.png
AHayee by Associate II
  • 1326 Views
  • 8 replies
  • 1 kudos