STM32 MCUs Products

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USART not working when using HSI in STM32F769-Discovery

Hi, I am new on STM32 and I started a product prototype using STM32F769-Discovery. I developed all software using default clock configuration, which uses HSE. Now I want to change to HSI, but USART is not working ( Not true, only works when board res...

RCres.1 by Associate III
  • 1742 Views
  • 6 replies
  • 2 kudos

Resolved! STM32H562RGT6 RAM address order

Hi,we are examining if we can apply our March-C test to the STM32H562. It is tailored to the RAM address order of the STM32F446. Unfortunately, the documentation does not seem to provide any hints here. Is there a difference in RAM address order betw...

rt33 by Associate
  • 509 Views
  • 3 replies
  • 0 kudos

MPU on STM32H755

I'm having a hard time figuring out how to configure the MPU of my microcontrollore in order to have this behaviour.I've a framebuffer in ram that is big 384KB. I've modified my linker in order to have the framebuffer starting at location 0x24022000T...

sbi by Associate III
  • 638 Views
  • 4 replies
  • 0 kudos

MCU is not recognized as USB storage device

Hi all - I'm new to the STM ecosystem and I've been stuck on an STM32H743/ Micropython issue.My (custom) board can upload Micropython firmware via both SWD and DFU. So DM/ DP work.VCC measures 3.21V, maybe a little low, maybe just my DMM.I'm not able...

Sophi by Associate II
  • 1220 Views
  • 6 replies
  • 2 kudos

Resolved! Serial SPI in one slave

I have two MCUs and I connected them by SPI, one of them is master and another is slave.On slave MCU, I used two SPI1 and SPI2 and I connected them serially by wire, sometimes connect and disconnectthem by S1, I want to ask is it possible to have thi...

02-SPI.png 01-SPI.png
Iraj by Associate
  • 1315 Views
  • 3 replies
  • 2 kudos

Resolved! Use of ADC

good morning everyone, i am trying to use the ADC of the stm32h745 disco. for that i connected my ADC to a breadboard with a potentiometer. I wanted to change the value of the potentiometer so i can see on my computer the values. I got inspired by th...

Jad_0-1729257934007.png Capture d’écran 2024-10-15 à 17.39.25.png Jad_0-1729258070043.png Jad_1-1729258164197.jpeg
Jad by Senior
  • 753 Views
  • 4 replies
  • 1 kudos

Resolved! E-Stop by resetting

I'm using Nucleo32-F303K8. I'm running low on pins and can't upgrade to a bigger MCU. I was thinking of using NRST pin as an E-Stop. Would that be a good idea? The GPIO pins would be externally driven low or high while under and after the reset, espe...

Adar70 by Associate II
  • 946 Views
  • 4 replies
  • 2 kudos

Resolved! STM32G0B1 FDCAN message Cycle time fluctuating

Hello, I am using STM32G0B1,  i have implemented the FDCAN communication but the issue i am facing with the cycle timei have set the cycle time for 500ms i.e. every 400ms CAN messages will be transmitted. every thing works good until i am not receivi...

bhupendersingh_0-1729257640161.png bhupendersingh_1-1729257678290.png

Problems between STM32F413 and ICM42688 using SPI

HI All, I am trying to connect an STM32F413 and the TDK ICM-42688 IMU chip using SPI.  The connection works correctly and the ICM-42688 responds, but the data doesnt seem to be clocked into the STM32F413 chip.   The ICM-42688 Timing data is: So CPOL ...

ICM42688 SPI Timing.png SpeedyPLH_0-1713325909638.png ICM42688 SPI Timing Saleae.png
SpeedyPLH by Associate II
  • 2775 Views
  • 5 replies
  • 1 kudos

Resolved! Simultaneous timer interrupts

I would like to determine MCU's behavior when two simultaneous events trigger interrupts on a single timer.  For instance on TIM2, if both the output compare register and auto-reload register hold the same value and both corresponding interrupts are ...

FMadi.1 by Associate II
  • 855 Views
  • 5 replies
  • 2 kudos