STM32 MCUs Products

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STM32L011F4P6 can't upload code.

I have STM32L011 board that i make. I left NRST and BOOT0 open. And i try to upload code using ST Link V2. But seem like the ST link is not recognize the STM it always show "Target no device found". Can anyone help me identify the problem? Please..Th...

Esa1 by Associate II
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  • 11 replies
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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
  • 727 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
  • 777 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
  • 1658 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
  • 1606 Views
  • 6 replies
  • 0 kudos