STM32 MCUs Products

printf on STM32H747 core M4 doesn't work

printf works on the STM32H747 M7 core once I add the following codeint _write(int file, char *ptr, int len) { int i =0; for ( i = 0 ; i < len; i++) { ITM_SendChar((*ptr++)); } return len; }and enable the "SWV" in the debug...

Does HAL_UART_Transmit() sends ASCII or binary?

Hi! Does anyone know if HAL_UART_Transmit() sends ASCII or binary? I've tried to send some data a serial plotter but nothing is being plotted. The format of the data sent follows the setting in STM32CubeMx. (It works on Arduino serial plotter)Serial ...

ST F4 and F7 MCUs typically has a year + lead time . Are there any sources for prototype quantities?

How ton solve Failed to execute MI command: _exec-interrupt Error message from debugger back end: Stopping thread 1 failed : E31

Which MCU support Capacitive Touch Button and Touch Slider

Hello support,I want to develop one product based on touch button and touch slider.so which STM MCU supports those features.and what are the softwares avaialble to develop firmware for touchand also i need hardware design guide for the same.thanks

RTC with Internal Crystal - STM32F303CB

Hi,I am trying to use RTC with Internal Crystal, I am not able to initialize the internal crystal of RTC. I am trying to initialize the internal clock by the RCC_CSR_LSION flag but I am not getting the RCC_CSR_LSIRDY flag set by the controller.void R...

Connectiion error

​I am using STM32H743XI(we made board)However, an error occurred when connecting using the existing ST Link v2 product.An error occurred (No debug probe found connected to the USB port Session aborted)​​IAR 8.40.1 using ​The firmware(ST-Link) was als...

FSMC FMC - Interfacing a memory device with two Chip Select pins

Well, as you might know, some memory chips have a set of two Chip Select pins, however, the FSMC of the STM32F407 provides only one FSMC_NE1 signal and that's associated with the address space being written/read from (Bank 1 for NE1). On the STM32F42...