STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

How can I connect Gbit SDRAM to STM32F429?

Hello, I would like to connect Gbit SDRAM to STM32F429 MCU. When I look at the STM32 FMC memory map, it has two 256 Mbytes area for SDRAM. As far as I understand, I can connect up to 4 Gbit SDRAM. However, SDRAMs have maximum 512 Mbit size. 1) Is it ...

I am using STM32F417IEH6 on a custom-board with Azure_RTOS. The Azure_RTOS/ThreadX is working OK. I have several threads running.

 My board is supposed to act like a PM-bus server on top of a ATX-PSU and I need to 'time' the sequence, that powers up the PSU. I have tried to use 'tx_thread_sleep()' and even changed tx_user.h : #define TX_TIMER_TICKS_PER_SECOND        --> 1000 an...

olebenny by Associate II
  • 394 Views
  • 0 replies
  • 0 kudos

When to stop TIM_DMABurst and how to first start TIM_DMABurst

I try to use TIM_DMABurst to generate exact number of pwm pulses.But I found after call HAL_TIM_DMABurst_WriteStart and HAL_TIM_PWM_Start, it enter HAL_TIM_PeriodElapsedCallback. And then if I call HAL_TIM_PWM_Stop it will stop and generate no pwm. I...

dming.4 by Associate II
  • 1874 Views
  • 5 replies
  • 0 kudos

Resolved! STM32L4 : IWDG wake up device in shutdown mode ?

Hi !I'm using the stm32l452RE mcu and I use the shutdown mode. I also use the watchdog (IWDG) to reset the system if an error occurs. This IWDG is set to 4s. When I go in shutdown mode, accordly to the docs, IWDG should be off because it is clocked w...

SimonF by Senior
  • 6227 Views
  • 20 replies
  • 0 kudos

STM32F732 Wakeup Latency

Hi Our custom board had some issues for STOP mode.Firstly, please see the following STOP mode code:(using GPIO EXTI to wake up MCU)HAL_PWREx_EnableFlashPowerDown(); HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); HAL_PWREx_Disable...

0693W00000QLiekQAD.png 0693W00000QLjOsQAL.png 0693W00000QLjV5QAL.png 0693W00000QLjVuQAL.png

chip enters NMI handler with debugger attached

I am having issues debugging a STM32H7 series chip (STM32H755).When I connect using multiarch-gdb and run `mon swdp_scan` it crashes both cores. I am using a BMP debugger. I end up in the NMI handler. I can see via the external LEDs in the code that ...

msilv.11 by Associate
  • 1208 Views
  • 3 replies
  • 0 kudos