STM32 MCUs Products

STM32H743 Battery backed ram issue - ideas wanted

I'm using the 4K of battery backed RAM on the STM32H743 to preserve variables between power cycles. This works fine on 90% of identical systems running identical firmware and with identical H/W, identical chip versions etc. i.e. data is exactly what ...

STM32H7 SDMMC2 DMA Configuration

I can configure MDMA for SDMMC1 in STM32H730 in STM32CubeIDE.But I do not understand how to enable it for SDMMC2. In the documentation it says SDMMC2 has a direct access to DMA1 & DMA2. But I could not see it in DMA configuration panel.Could you help...

How to transfer a File which has (.AMR) Format from UART1 to UART2 ??

Dear Sir,I am Using STM32G030C6T6How to transfer a File which has (.AMR) Format from UART1 to UART2 ??

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