STM32 MCUs Products

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...

How much is the touch sensing library for STM32F051 is reliable for make a Capacitive touch Product ?

Hello, I want to transmit and receive data via USB full speed using Stm32f407ve Which USB device class should I use? and max speed tra/receive data between PC and stm32 via USB class CDC = ?

Thank so much!

How to configure DMA when STM32F469 uses 16 bit SDRM？

Hi：​Let me ask you a question. When use 32 bits of SDRAM in STM469 official routines, DMA is configured as follows: /* Configure common DMA parameters */ dma_handle.Init.Channel = SDRAM_DMAx_CHANNEL; dma_handle.Init.Direction ...

STM32F769 DMA and Cache Issue

Dear ST,I have the following issues.I used ADC1 with DMA2_Stream0, ADC3 with DMA2_Stream4.If I don't enable cache, it works properly.Once I enable ICache and DCache, ADC readings are not correct.Please advise me how to make it work.Thanks.Regards,Thi...