STM32 MCUs Products

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STM32H7 + FMC + MDMA transmits only the first halfword

Hello everybody,Im am currently trying to connect a STM32H753 to a AD7606B using the parallel interface (FMC) and got it working at some point where the CPU can read/write the data from/to the FMC but it needs a __DSB() before starting to use the rea...

ABouk.1 by Associate III
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  • 0 replies
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Explain Output Speed STM32U575

I am working on the firmware for my STM32U575 based controller board. I cannot find in the documentation an explanation about the Low/Medium/High settings on a GPIO port. I see the bits to be set, and in MX the option for choosing the setting, but I ...

ScottD by Associate II
  • 884 Views
  • 2 replies
  • 6 kudos

Bare Metal STM32L496

void SystemClock_Config(void) { // Step 1: Enable HSI RCC->CR |= RCC_CR_HSION; // Enable HSI while (!(RCC->CR & RCC_CR_HSIRDY)); // Wait until HSI is ready // Step 2: Configure the voltage scaling PWR->CR1 |= PWR_CR1_VOS_0; // Set voltage scale to 1...

STM32L0 with HSI for UART

I have built a board that is powered using a LiC and to conserve some power i run it under 1MHz (524KHz).I need 2 UARTs and one ADC for my application. However, since there's only 1 LPUART i use second UART to connect a cheap BLE module that i can se...

MKanc.1 by Associate III
  • 941 Views
  • 3 replies
  • 1 kudos

Resolved! I2C Slave clock stretching not working using HAL

Hello, I am using an STM32F103CBT as an I2C slave. A memory buffer is to be transferred via the interface. Although hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; is set, I cannot measure clock stretching and the first byte transferred is always 0...

i2c_debug.png
JoBil by Associate II
  • 2168 Views
  • 7 replies
  • 5 kudos

STM32H5 EDATA read err

I refer to than Example  en.stm32cubeh5-v1-3-0\STM32Cube_FW_H5_V1.3.0\Projects\NUCLEO-H563ZI\Examples\FLASH\FLASH_EDATA_EraseProgram   Init and Write data in 0x0900C000 is ok.But when I restart the device and read data from 0x0900C000,the program ent...

Shiro by Associate II
  • 1994 Views
  • 6 replies
  • 0 kudos

Resolved! USB DFU Mode in STM32G0

Hi all, per AN3156 it states G0 series have USB DFU mode built-in the factory bootloader, so does it mean I won't have to configure the USB Device DFU Class in the CubeMX in order to make it work? Could I configure it into other classes (like CDC Vir...

TSu.1 by Associate III
  • 1149 Views
  • 1 replies
  • 1 kudos