STM32 MCUs Products

STM32CubeMX + TouchGFX + Atollic: how to setup the QSPI external flash ?

Hi all, I'm in trouble trying to setup the 16MByte external flash (aka Micron N25Q128) using STM32CubeMX( w/ SW4STM32) + TouchGFX + Atollic... I've setup my system as described here:https://touchgfx.zendesk.com/hc/en-us/articles/205886201-Placing-A...

After the independent door opener of STM32F051C8 is configured with the official library, the frequency is 256, the window value is 0xFFF, the preload value is 0xFFF, and the calculated reset time is 26.2 seconds. However, the measured time is very inaccu

Keil MDK-ARM VS IAR EWARM VS CXSTM32 IDEs

Hi everyone,just got myself a STM32F0 Discovery kit as I wanted to try out a M0 chip, as I'm going to install the development toolchains, I found several of them that I could potentially used but not sure which one is more suitable for my needs. So ...

Qspi dummy cycles issur

We are working with stm32h743 and W25Q128JV We used to have 6 dummy cycles, but when USB is initialized we need to change it to 4.Than we tested another board and it was changed again to 2.Why? What is wrong

Problem with interrupt time to compare

Hello I have some problems with an interruption on the STM32H7. I'm working on a project and i implemented a timer with two interrupts (OVF and CC1) and that worked. But after trying to implement HSEM that no working even with an old version. That'...

STM32F072RbT6 I2C1 not working.

Hello,I am using STMCUBEMX 5.2.1 to initialize the configurations of my STM32F072RBT6. My application requires the use of i2c1 since i2c2 is already occupied on our board by a pressure sensor. However, it seems to me that i2c1 is not working (i.e. th...

Hi i am using stm32f746zg nucleo board and i want to establish communication between two CAN modules where CAN1 should transmit and CAN2 should receive the msg but its not happening dont know why ..can anyone help me with the code ..?

here is my codevoid can(void){   CAN_TxHeaderTypeDef TxHeader;   uint32_t TxMailbox;   uint8_t usr_msg[10]={'h','e','l','l','o'};      TxHeader.DLC=2;      TxHeader.RTR= CAN_RTR_DATA ;      TxHeader.IDE= CAN_ID_STD;      TxHeader.StdId= 0x65;   if(HA...

STM32F4xx I2C slave not working

I'm currently trying to setup a STM32F4DISCOVERY Board with the STM32F407VGT6 chip as a I2C slave. Somehow the controller doesn't send any ACK bit after the address was received. I've tried with the General Call function as well.Here is my initialisa...

QSPI write external flash memory STM32F746 Discovery Board

Hello, I am using STM32F746 Discovery Board and want to write and read data to external flash memory . I gone through example code from STM. There is one function called QSPI_DummyCyclesCfg, I am not able to understand it completely./* Configure Vola...

nucleo-g431kb voltage reference buffer

Hello everyone!I'm want to use the internal reference voltage buffer of the mcu stm32g431kb as input with comparator, but when i checked the reference manual they say VEREFBUF must kept disabled because no VREF+ pin in 32 pin package!!I don't want th...