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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USB CDC Driver

Posted on February 25, 2013 at 23:52Hello, Can someone inform me whether I can use (or do I need) USB CDC Driver on Windows CE. I am planning to connect STM32F4 Discovery to Cuwin Touch Screen panel which is operated on Windows CE. I checked the 're...

incrementation of a timer : problem

Posted on May 14, 2012 at 17:40hi, i am working on the stm32discovery i am trying to increment a timer (timer2 channel 1) each time the signal on the pin PA.05 is rising but the timer is random incrementing and not at each rising edge of the signa...

claire by Associate III
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writing constants to flash

Posted on February 22, 2013 at 11:48Hi everybody, hi clive1! in an older PIC design, I use to store calibration data in flash. Then, an update can be done with values received via serial. With PIC, the pages to work with are smaller. With STM32F4xx ...

I2C Bus not pulsing after the start condition

Posted on October 31, 2012 at 21:57I am communicating with a slave device and after the generation of the start condition, I am not seeing SCL and SDA pulsing. Below is the code: void DS2482_Init(void){        GPIO_InitTypeDef    GPIO_InitStructure;...

ngoclt by Associate
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STM32f4 SPI

Posted on February 25, 2013 at 02:38HI ST Community I would like to ask if these pins are safe to use spi1 - PA4 - NSS PB5 - MOSI PA6 - MISO PA5 - SCK spi2 PB9  - NSS Pb15 - MOSI pb14 - MISO pb13 - SCK

xtian by Associate II
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stm32f3discovery usb flash support?

Posted on February 24, 2013 at 20:15Hello. Sorry if my question seems stupid. I'm new to all this stuff. So i'm wondering can I plug usb stick to stm32f3discovery and upload information to it? I saw some discussions conserning usb host capabilities ...

STM32F405RGT6 internal command error

Posted on November 19, 2012 at 20:01 developed my own ST32F405 Stamp and tried now to connect via SWD and STLINK/V2 to my stamp. What I get was a internal command error response from the STLINK/V2. The device is running with 3.3V    Can somebody hel...

mgmv05 by Associate II
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Brusless motor with ESC's

Posted on February 21, 2013 at 16:52Hi to everyone,I have a brushless motor 850Kv and one ESC's . The main aim of my task is to control my motor (forward and backward)  by setting in different speeds. The microcontroller which i have is the STM32F4 ...

STM32f0 SPI trouble

Posted on February 24, 2013 at 02:04I am using the stm32f0 discovery board and having trouble getting SPI to talk properly with an external SPI sensor. As a test case, I wrote a small program to send bytes from SPI1 to SPI2 and then compare these se...

Adc value

Posted on February 23, 2013 at 15:46 Hello, I'm trying to get back the value of the conversion from adc1. But, nothing happend. Could you help me ? Thank you, /* Includes */ #include < stddef.h > #include ''stm32f1...