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RTC Alarm B not trigger some time

Posted on April 10, 2017 at 00:39Hello every one, I've problem with STM32L071 rtc alarm B.I used Alarm A for 2 alarm per day, and work fine, and Alarm B for a periodic interrupt of 5 minutes.Random happen that Alarm B not trigger and MCU not go out ...

HSE versus HSI on nucleo boards

Posted on March 31, 2017 at 11:21HiThere is a crystal on chip HSI and and the external one HSE.What are the benefits? When should I use wither one?I would like to use Nucleo F429ZI for UDP loop back. Which clock should I idealy use? Does it make any...

UART can't receive any data, why?

Posted on April 09, 2017 at 16:11In Nucleo-144 stm32f746, I can't receive any data on uart.I write sevrel codes, but none of them works.Can everybody help me?Tank you.

MCO1 on STM32F769I-Discovery? Can I?

Posted on April 09, 2017 at 18:46STM32CubeMX allows me to turn on output to pin PA8/MCO1 when building a project for STM32F769I-Discovery, which is nice. Is there somewhere on this board I can access that signal? This board is so much fun.

How to use USB High Speed on STM32F7 Series

Posted on April 07, 2017 at 19:43Hi there,I want to start using USB High Speed communication on STM32F769 Discovery board.Till now (with the different parts) I used a USB Full Speed interface. There, I simply connect to a Virtual COM Port (let say f...

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Resolved! STM32F103 - Std Periph Driver not working with bootloader

Posted on April 03, 2017 at 05:58I am running into an issue with the ST Standard Peripheral Driver. If I download my project to my STM32F103 at Vector 0x08000000, it runs fine. If I use my bootloader to load my project to 0x08004000 (I set this in t...

Programming Flash in STM32F407

Posted on April 05, 2017 at 22:20Hi,First, let me just say that I am new to the STM32 series of microcontrollers, so if I am asking the obvious, or has already answered somewhere else, I apologize.Now, I want to use a bank of STM32F407s as co-proces...

STM32F7xx SDMMC_STA bit 9 reserved, acts like STBITERR?

Posted on April 07, 2017 at 20:57I have some SDMMC driver code carried over from STM32F4xx that uses bit 9 STBITERR of SDMMC_STA register.  In the STM32F7xx reference manual RM0410 DM00224583 DocID028270 Rev 2 dated April 2016, this bit in SDMMC_STA...

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