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...

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sqrtf() from math.h problem

Posted on January 27, 2014 at 18:00 Hi everyboy, I have a problem (Unresolved inclusion: <math.h>) with using sqrtf() on STM32 board from OLIMEX. I’m using the free tool chain provided by OLIMEX - Eclipse Helios - OpenOCD - YAGART...

Nand Flash, FSMC and ECC

Posted on July 05, 2012 at 12:03I'm using and external Samsung NAND Flash chip with an STM32F2 processor.  I have succeeded in writing a driver that can read, write, and erase the chip, but I'm a little confused about how to make use of the FSMC_ECC...

mfranklin by Associate III
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[STM32f4discovery]Some clarification about PWM

Posted on April 11, 2013 at 23:07hello,reading around the forum i comed up with the following code. my question are in the code comments, if someone can point me in the right direction i'll be glad.This code will be used to move 4 ESC, so the genera...

bifrost by Associate II
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BSDL Files for STM32F427VIT6TR

Posted on August 15, 2013 at 14:21Hi guys, I have recently read a thread where someone asked a similar question. I am searching for the bsdl files for the STM32F427VIT6TR. In the other thread, one of the moderators said that these models are availab...

Stm32F3 PWM input

Posted on January 22, 2014 at 11:35 Hi, I've got some problems with my F3Discovery. I have a perfectly working TIM2 PWM-input-capture, but if I want to change it to timer1 it does not call the interrupt handler at all anymore. The co...

micha2 by Associate II
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USBD- and USBD+ (PA11/PA12) Alternate Function

Posted on August 09, 2012 at 10:52Hello, One simple question please: Why It is mandatory to Set PA11/PA12 for USB data (+/-) as Alternate Function (AF) ? in STM32F103 for example I’m asking this because in other products such as STM32L , it worki...

gafsos by Associate II
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STM32F4Discovery - Setting up EXTI on external button

Posted on January 27, 2014 at 17:31I've got the example working using the on board button and now I want to use an external button on CPIOC - 11. I've used this button with GPIO_ReadInputDataBit with PuPd_UP. I've converted over the sample code but ...

jim by Associate II
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STM32F429I-DISCO + DCMI pins interfering..

Posted on January 27, 2014 at 10:21Hi,Have anybody tried connecting camera with this board?I see that some of the pins are interfering example PA4 (DCMI_HSYNC interfering with LCD_VSYNC).Maybe someone figured how to use the camera with the LCD on bo...

hitsumen by Associate II
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SPI3 problem with STM32f4- discovery and stm32f103

Posted on January 27, 2014 at 13:42Hi,I have problem with SPI3 and st-link debugger. CLK pin is always unaveilable.I configure MCU to not use JTDO but in debug mode when I look at AFIO register there is written some other value for SWJ_CFG(always 0x...

miroslav by Associate III
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