STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


float numbers in IEEE 754

Posted on June 29, 2015 at 09:37Hello Sirs,Doesanybody use IEEE 754 format to represent float numbers?I need toconvert values to this standard format, and I was wondering if someone of youhas already done it with any STM32F.  I�d bepleased if you ca...

STM32 I2C reading more than 2 bytes

Posted on June 29, 2015 at 16:37 Hi I'm trying to get a STM32F427 working as a I2C master using interrupts and everything is working apart from reading more than 2 bytes. I can write any number of bytes and read 1 or 2 bytes all OK. ...

Timer Synchronization with Offset

Posted on June 29, 2015 at 20:43Hello everyone, Excuse me for creating a discussion similar to one that I have already created, but I decided to give it a last try, because I could really use some help. What I want to do precisely is this: Timer1 (P...

pant by Associate II
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Method for sending debug text to PC via USB

Posted on June 28, 2015 at 05:47I just got the STM32429I-disco board and programming with openst32.  I would like to output debug messages from my application to a windows client like putty or other USB interface.  What is the easiest way to accompl...

Problem with GPIO in STM32F100 discovery card

Posted on June 28, 2015 at 02:12 I have tried to test GPIO programming with CubeMX and the F100 discovery card. But outputs do not change. I have a project directly from Cube, it has only IO which are used in Discovery card, other outputs do...

LMI2 by Lead
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STM32F100RC revisions

Posted on June 24, 2015 at 15:26I am having a problem with STM32F100RC microcontroller related to the chip revision. It appears that TIM14 which I use is not presented in a new batch of chips. Old ones are marked STM32F100RCT6B rev. A and they work ...

tetj by Associate II
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stm32F0 sd Card FATFS

Posted on June 28, 2015 at 14:49Hi I am using stm32f0 to wtrite and read from sd card using FATFS.Every thing is ok  : integration of FATFS files and making the correct hardware connection.I can communicate with the sd card for example to get its p...