STM32 MCUs products

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New to Microcontrollers

Posted on December 17, 2013 at 08:34Dear frends,i am new to micro controller.i want to learn this.. i am using stm32f030 discovery kit.pls,tell me how to do prepare to being good interfacer to the st microcontrollers.i am havin zero knowledge..pls h...

deepak by Associate II
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STM32F0 CPAL I2C Slave

Posted on December 14, 2013 at 15:59I have two boards with STM32F0 connected by I2C. First board works like master, second works like slave. I use CPAL library and transmission works fine during normal state. When I make some disturb on the I2C line...

I2C causes STM32F051 to crash/reboot

Posted on November 29, 2013 at 16:07Hello, I've an STM32F051 where i2c modules can be connected (SFP video modules) These modules should be hot swappable, however it seems that the I2C communication is not dealing properly with these modules because...

evert2 by Associate II
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STM32F0 CPAL I2C

Posted on June 01, 2013 at 17:23I'm trying to use to CPAL library to send data between I2C1 and I2C2 devices. I use STM32F0DISCOVERY. I2C1 is master, I2C2 is slave. In logic analizer I see that master send addres of slave but no ACK from slave. In ...

How to use STM32F030F4

Posted on November 24, 2013 at 12:25Hello guys?      I have bought some STM32F030F4 chips ?but i donnot know how to program on it?I am confused of the Related firmware?So can someone tell me how to creat a new project using Keil-MDK without the give...

STM32f051C6 PF6/7 AF for I2C

Posted on February 26, 2013 at 07:38Hello, I try to make I2C on PF6/7 on the STM32F051C6  (48 Pin device) working. To get what AF to use, Ref man points to the datasheet. But the datasheet is not clear to me, it has a AF Table for PortA and PortB an...

jgnoss by Associate III
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IDD-VBAT Measurement in STM32F050xx

Posted on November 07, 2013 at 15:33Hi,I was going through table 14 of STM32F050xx datasheet. This table shows IDD-VBAT at various voltages. Just want to check when this measurement is taken whether VDD was pin was floating or grounded?  #stm32f0...

i2c is not working for stm32f051

Posted on November 05, 2013 at 16:51Hello everybody, I have an application for the STM32f051 wich has a i2c device connected I have configured and initialized the i2c, however when I send some data both SDA and SDI lines are staying 'high', I don't ...

evert2 by Associate II
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USART on the STM32F051

Posted on October 28, 2013 at 18:00Hi Folks, I am a little bit confused about the USART built in in the STM32F051. He is don`t talking to me although I am asking really polite. This is my init-code: RCC -> AHBENR |= (RCC_AHBENR_GPIOAEN); //PA9 GPIO...

carbolo by Associate II
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I2C2 on STM32F050XX MCU

Posted on September 06, 2013 at 17:25Hi STM32F0 fellows, I played with the STM32F0-Discovery board, which comes with STM32F051R8T6, in the preparation of my coming project. In particular, I made use of the second I2C peripheral (I2C2 via PF6/PF7) av...