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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Using break function internally

Posted on October 21, 2015 at 14:31Hello there,I am working on a motor driving application (STM32F4). As for now, my circuit for sensing current and shutting down H bridge looks like this:https://dl.dropboxusercontent.com/u/14154631/Scan%204%20Page%...

STM32F03 STM32CubeMX and SPI ?

Posted on November 02, 2015 at 13:05I play withSTM32CubeandI'm a littleconfused. I create project for STM32F103RB In Pinout select SPI2 Half-Duplex Master and hardware NSS Signal In SPI configuration is NSS Signal Type as Output Hardware, but in GPI...

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asrock70 by Associate II
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STM32CubeMX and HAL Drivers poor documentation

Posted on November 02, 2015 at 19:32I acquainted with STM32CubeMX amd HAL Drivers for STM32F1, but I'm really some confused.For example SPI in HAL Drivers User Manual I find function HAL_SPI_Transmit()The thirdy parameters is TimeoutDocumentation sa...

astrid by Associate II
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Advantages of using HSE over HSI

Posted on March 30, 2015 at 03:46I'm developing a project in wich main clock accuracy isn't particurlaly important. I do need to measure time acurately, but I can use the RTC with an external 32.768 KHz crystal for that. I was wondering about the po...

andre by Associate
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GPIO with stm32l0 discovery

Posted on November 02, 2015 at 12:11 Hi everyone, I'm a newbie of embedded programming and this is my first post. I have a STM32L0 Discovery board and wanted to supply electricity to an external circuit. The external circuit ...

External crystal on STM32F072.

Posted on November 02, 2015 at 17:08I remember from the 1980s that my colleague responsible for the hardware had some trouble getting an oscillator for our MCU to work. But the last decade designing my own hardware, it seemed as if things had improv...

STM32F051 SPI1 Strange behaviour

Posted on November 02, 2015 at 22:52My problem is that i am not able to write to SPI1->DR. I have a LIS2DH accelerometer on SPI1 and i am able to read �Who_Am_I'' register and it returns correct value. However when i try to read any other register v...