STM32 MCUs Products

How can I get the STM32F103VET6?

Dear All,I have designed the scheme of my testing board. The STM32F103VET6 is not easy to buy. What can I do now?Thanks.

STM32H755 stalls when SDMMC interface is enabled

Hi Folks,I experienced a weird problem when I tried to use the SDMMC interface on the STM32H755 Nucleo board.I set up a very basic test program. I use the template for the H755 Nucleo in CubeIDE. I set the H7 clock frequency to 480 MHz and the M4 clo...

is the stm32f103rbt6 and stm32f411rct6 are compactable can program the same code in f411

Identifying which family member a program is running at run time?

Folks,Is it possible to ascertain which family member is running at run time? I'm doing a bootloader for an L476 for which there are two variants. The 512k version and 1M version. Is it possible at run time to ascertain which one is running? Either t...

Dual Bank Memory Variants

Folks,When you have a dual bank STM32, at run time, is it just one contiguous area of memory. So, for example, if you were running out of the top of bank 1 and the next instruction was in bank 2, would the program seamlessly just jump from running ou...

It always work ok for RTC. But sometimes HAL_RTC_MspInit retrun me HAL_TIMEOUT, which case would cause this error? I did not change my hardware and firmware for RTC, I use the internal clock for rtc.

It will occur @here: /** @addtogroup RTC_Private_Functions * @{ *//** * @brief Enter the RTC Initialization mode. * @note  The RTC Initialization mode is write protected, use the *     __HAL_RTC_WRITEPROTECTION_DISABLE() before calling this function....

How to mount the file system in FLASH STM32H745 dual-core chip?

Oh,my god ! please help me !1.At present, the chip can read and write internal Flash, but after FATFS is mounted, the file cannot be opened.2.After f_open, the return value is FR_NO_FILESYSTEM.​

How to read VBATT Voltage from ADC

I Am using STM32F303CB.I want to read the VBATT voltage from ADC1_IN17 as VBATT is connected to ADC1 channel 17.Here my Code:void ADC1_Init(){   RCC->CFGR2 |= RCC_CFGR2_ADCPRE12_DIV1;   RCC->AHBENR |= RCC_AHBENR_ADC12EN;   RCC->AHBENR |= RCC_AHBENR_G...