STM32 MCUs Products

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STM32F0 I2C timing register problem with CubeMX

Posted on July 31, 2016 at 17:02Hi, I need to run I2C over a long cable (several meters). I know it is not a greatest thing to do, but I have no other option, as a 3rd party device only exposes an I2C interface. In order to minimize interference I a...

preserving internal EEPROM when flashing

Posted on January 10, 2018 at 12:16Hello,I changed my linker file for flashing some initial values to the internal EEPROM of my stm32l0.MEMORY{...EEPROM (rw)      : ORIGIN = 0x80803E8, LENGTH = 1044 }/* Define output sections */SECTIONS{  .eepromAPN...

LCD flickering issues & STemWin hardfaults.

Posted on January 12, 2018 at 13:55Hi,We are using a 216Mhz F7 (STM32F746NGH6) on a custom board to interface with an LCD (Winstar WF70GTIAGDNG0).  We are having issues with the screen flickering, often the screen will display a flickering green blo...

Resolved! SPI overrun

Posted on November 07, 2016 at 13:32 Hello everyone, I'm trying to read an external SPI flash using DMA but I occasionally get an SPI overrun error. I've managed to track down the error: I get no overrun errors when I disable the LTDC IRQ. And more ...

example with HAL_FLASHEx_Erase_IT

Posted on January 12, 2018 at 09:28hi, I know the way to use HAL_FLASHEx_Erase() in my main loop and it works,erasing some flash areas.Now I want to use the HAL_FLASHEx_Erase_IT() , I have enabled from the cube the flash global interrupt,Do I have t...

Apparent bug in ST-LINK/V2 firmware V2.J28.S6

Posted on July 12, 2017 at 19:29This isn't really a question - since I found a solution.  It's an observation in case others encounter a similar problem.We purchased a new ST-LINK/V2 adapter recently and it shipped with firmware 'V2.J28.S6'.We use t...

STM32F401RE-Nucleo Uart Problem

Posted on January 12, 2018 at 06:09 I'm using a stm32f401re-nucleo board and I build a project on ubuntu through arm-none-eabi-gcc compiler. Here is my code for uart. This code initializes uart. void UartInit(void) { hUart2.Instance = ...

HoYa Kim by Associate
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Resolved! NUCLEO F411RE USB

Posted on January 11, 2018 at 02:31Hello.NUCLEO F411RE, Workbench generated project, Ubuntu 64 16.04, STCUbeMX , I think is  V1.18I wired a USB cable to USB-DP (PA12)  USB-DM (PA11) GND and 5V.I have a usb initialised as simple as instructed.void MX...

Marius CO by Associate III
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How set lowest speed for Canbus

Posted on January 11, 2018 at 21:22Hello friends,What is the lowest Canbus speed ? And how can I adjust the speedI need a Low and safe speedPlease guide meMCU = STM32F407ZET6 , HSE = 8Mhz , SysCLK 168MhzThanks for all of you

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Pedram by Associate III
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UARTS on a STM32L475VG Discovery board

Posted on January 11, 2018 at 23:10I have a Amazon Web Services example (AWS) example running on a STM32L475 Discovery board. I got the example from en.stsw-stm32078.zip and it in the C:\...\st Micro\en.x-cube-aws\STM32CubeExpansion_Cloud_AWS_V1.0.1...