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Forum Posts

ADC interface circuit

I am using two STM32F405's to read a switch and have some diagnostics.I interface this to an analog input on one MCU and a digital input (no pull up/down) on another MCU.However, I have cross-talk with the neighboring analog channels and more severe,...

FinnF_0-1712318248570.png
FinnF by Associate
  • 3021 Views
  • 3 replies
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Resolved! G431 Config of input interrupt prevents timer 8 from working.

This is one that baffles me:I set up Timer 8, and everything haasworking perfect. Then i did set up interrupt on some pins, and then the PWM signal on timer 8 stopped working.This is what i did, so the Timer 8 stopped working:Edit: Only with the pull...

Tobe by Senior III
  • 4569 Views
  • 7 replies
  • 0 kudos

Resolved! STM32H723 Analog Temperature Measurement Alarm

All: I have connected internal temperature to ADC3, and I am able to display degrees C on "Live Expressions".  The particular chip we are working with has an operating range of -40 C to + 85 C. If I am monitoring the internal temperature on a regular...

ToddA by Associate II
  • 3026 Views
  • 3 replies
  • 2 kudos

STM32H7 ADC1 and ADC3 errors

I am programming stm32h750 microcontroller.I managed to make work ADC2.ADC1 and ADC3 gives wrong results sometimes when change priority at DMA interruptI have programmed the ADC3 using DMA2 (not BDMA that not generates interrupts to me)Sometimes firs...

STM32H7 clock 480Mhz.png ADC working.png
JLope.11 by Associate III
  • 1527 Views
  • 1 replies
  • 0 kudos

STM32G474 strange I2C behavior

Hi,I hope somebody can explain the following behavior:I use a NUCLEO-G474RE board for I2C testing. I have an external I2C slave which provides the required pull-ups for SDA/SCL when it's powered.Now my STM32 started with connected but not powered I2C...

kf_SEA by Associate II
  • 2104 Views
  • 2 replies
  • 0 kudos

Resolved! STM32F469 to 4" 31 pin mipi display

Dear all,I have the STM32F469 discovery kit which is working. I want to use the STM32F469 to drive a 4" tft lcd screen using its 31 pin mipi connector. The goal is to get a gauge displayed on it, I was thinking of using LVGL to design the GUI.I have ...

Resolved! Clock configuration changed when upgraded (STM32F769BGT6)

Hello,I updated my stm32 project because I had problem on the older version. So I updated the Time.ioc by migrating version...  ...but when I open the system clock configuration I see that it's not the same configuration for "To Ethernet PTP". For in...

Migrate.png Ethernet old clock conf.PNG Ethernet new clock conf.PNG
PierreG-S by Associate II
  • 2007 Views
  • 3 replies
  • 0 kudos

Resolved! IKS4A1 and Unicleo-GUI Issue

Hi,I have purchased a sensor expansion board (X-NUCLEO-IKS4A1) for my board (NUCLEO - F446ZE). However, when I wanted to display the data on Unicleo-GUI, the GUI cannot detect anything, not even my firmware. I looked through the datasheet for Unicleo...

WinstonZ by Associate
  • 1398 Views
  • 1 replies
  • 0 kudos

PA6 GPIO gets on while STM32L452REY6 in internal boot mode

Hi Team,We are working on the locomotive-based custom product design where we are using the STM32L452REY6 microcontroller. We have one requirement to update the STM32L452REY6 firmware using the internal bootloader over the UART.We have referred follo...

parth2 by Associate II
  • 2425 Views
  • 5 replies
  • 0 kudos

I2C interface with adxl345 using stm32f446RE

Hello ST, I am a beginner to I2C protocol could you please help me to go through I2C practical projects on STM32F446RE using  ADXL345 and also with basic projects to do please suggest or provide me example code to to do. Thank you.

Komal by Associate III
  • 1898 Views
  • 1 replies
  • 1 kudos
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