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...


stm32f4 Discovery UART Polling vs DMA Time

Posted on August 05, 2017 at 10:44Hello!I Have a Problem:I want to transmit Midi signals using my Discovery board in DMA mode because I need the processing power during the transfer. Midi is based on UART meaning I am using the UART Peripheral. When...

help for eeprom

Posted on August 05, 2017 at 11:49Hey I use stm32f0p4.i confused  about eeprom.i readed AN2594 Applocation note but i cant undresntands i have some question about that.1-is it trust-able to use? i don't want my data losing.2.How much byte i can save...

who did the FFT project

Posted on August 05, 2017 at 09:42any one who had done the FFT , i am just starting to do it ,but now ,i meet a  problem . i don't find the STM32F10X DSP Library,can anyone who can give me a link to download it.thank you

Number of Resets?

Posted on August 05, 2017 at 10:53Hello every one I am working with STM32F405 series .It is essential for me to know that How many times reset has been occurrence.I have EEPROM  in my project i can keep last status.Which register should I m...

l90mehdi by Associate II
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SPI Flash Library w25q64fv HAL

Posted on August 05, 2017 at 12:30Hello friendsHow Read and write data from w25q64fv  with HAL ? Someone have SPI Flash Library w25q64fv HAL ?Thank

Pedram by Associate III
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Cant seem to get RTC operating.

Posted on August 04, 2017 at 16:43Hi   Im still new to the STM32, and now working on the RTC.  The problem I am having is when I read the time from the RTC, it never changes.  I Initialise the RTC, and every second I read from the rtc and display it...


Posted on August 04, 2017 at 22:49I am having strange problem on some boards, we use stm32f107, it was developed 3 firmware, the first one to check if flash sector of application firmware need update, second one to erase flash of application firmwar...

giovani by Associate II
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stm32f103 cubx fatfs problem

Posted on August 04, 2017 at 16:41hii used open file unsigned char read_file (char *filename,unsigned long address,uint8_t *data){ FIL MyFile; /* File object */ char SDPath[4]; /* SD card logical drive path */ FATFS FatFs; /* Work area (file system ...

TIMx_SMCR->SMS - 3 bits or 4?

Posted on August 02, 2017 at 19:28RM0351, section 31.4.3 slave mode control register. chart shows SMS[2:0] but the description of SMS on page 1032 describes a 4 bit number