STM32 MCUs Products

Number of I2c in STM32F051R4T6TR

What is the total number of I2C's in STM32F051R4T6TR controller IC.

Send Data using ESP8266 and STM32F407

I am using STM32F4 discovery board. Some sensors data which are gathered by different sensors is saved on an SD card. Now I want to transfer these .txt files to an FTP server. I am not able to send the files as packages, or i m not sure how.  Seeking...

Read multi channels ADC using DMA

hi everyone. my project uses STM32f407, i read 4 channesl analog by ADC1 and using DMA .when i debug the program, i can only read the first analog value... please help me. bellow this is my program#include "stm32f4xx.h" #include "stdio.h"   GPIO_Ini...

STM32H753 and STM32H743 (the difference)

I need a development kit/board with STM32H753 MCU. I find similar - https://www.st.com/en/evaluation-tools/nucleo-h743zi.html  And decide to solder STM32H753 instead of STM32H743.I saw STM32H753I-EVAL, but it is too expensive. What is the difference ...

STM32F769I EVAL: Why camera stop streaming when creating a JPEG file into SD card?

Hello everyone.Sorry for post this question again. But I really need some help.I am trying to write a program can take picture from camera and save it into SD card when I press a button.I had finish this, but it had one problem. I don't know why but ...

FATFS API

hi, i have the HAL driver for sd card and fatfs software module but i can't understand the mechanisms that both hal and fatfs api's, it's all confused me. stuck here unable to move forward.@Community member​ @Community member​ 

Full duplex USART example for STM32F722

Posted on February 15, 2018 at 15:52Hello.Ive worked with the two boards comm DMA sample program and it works but it only works half duplex.The flow is:Init UART handle,Transmit dma wait for tx interupt callbackreinitalize UART handleRecieve dma wai...

Using the SPI module during the receiving data via DMA

Hi everyone,I'm using the DMA to receive the data from external flash via DMA. Can the SPI module transmit data while receiving from external flash at the same time? Or will it block this transmitting until completing the receiving? Or can simultaneo...

I have just installed the STM32 workbench, apparently successfully. Yet when try to launch it I get an error message. I have attached the log. It looks like a Java problem but I verified I have the latest Java version. Any insights would be most helpful.

Why ist the memory map of portA (STM32F411RE) only 10 Bit (0000 - 03FF hex)?

Hello, I read the manual for the STM32F411RE and I found the memory map inside. I wondered why I can only find an adress-area (adress boundary) for (exampe) portA which is only 10Bit (0000 until 03FF hex). I "hoped" to find an adress-area over 16Bit ...