STM32 MCUs Products

Unable to implement Ethernet programming using STM32f207zg nucleo board

I am using STM32f207zg Nucleo MCU board . I tried to implement Ethernet [lwip library] code. But I have got memory issue. There is insufficient memory. It gives compilation error. How to solve this problem? Guide me for Ethernet programming .

Question about mixing HAL and LL library for UART

Hi,I try to use both HAL and LL library for UART. When I config UART with cubeMX for LL library, I found all functions with HAL library in my code doesn't work. when I say it doesn't work, I mean the code passed compiling but doesn't do anything. Th...

ETH on NUCLEO STM32H743 is not working

Hi,My Question is related to the PHY LAN8742 mounted on that board. GPIO Configuration for this part is OK, but obvioulsly the 25Mhc clock generator is not working, and i guess this is the reasonfor no response from the PHY. I expect a 25Mhc signal...

Hello, We have a design whereby one of the STM32 RX inputs is driven hi by an external unit before the STM32 is powered up. This somehow prevents the STM32 from booting when power is applied to the STM32. Can someone shed any light on this please?

Hello, We have a design whereby one of the STM32 RX inputs is driven hi by an external unit before the STM32 is powered up. This somehow prevents the STM32 from booting when power is applied to the STM32. We can manually reset the STM32 after that an...

Is it possible to write in bootloader addreess?

hello, how to program a STM32L151CBU6 without using JTAG?

I use STM32CubeMX and IAR Embedded workbench. I find to test IAR example projets, but i get this error: Fatal error: Cannot connect to J-Link via USB.  Session aborted!

STM32 PWM and break input from comp

Hello!I have a question regarding pwm and the break input function from the comparator. I am using a STM32F303 and generating a complementary pwm outpout with timer20 on ch1 and nch1 with a deadtime. This is working just fine. Now I wanted to implem...

USART judges that the input character has no response

#include "stm32f4xx.h" #include "main.h" #include "stdio.h" #include "stdlib.h" #include "string.h"   void My_Usart2_Printf(char *string){ while(*string){ USART_SendData(USART2, (unsigned short int) *string++); ...

When copy the project folder to another computer, there is a build error. how can i solve this problem

i made pr​oject using Truestudio IDE with CUBEMX.and I send the project folder to another computer that other colleague useit that computer, there is error . so i cannot use that project filesis there anything i have to do whenever copy the project f...