STM32 MCUs Products

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STM32L4 low RTC precision

Posted on March 05, 2018 at 07:57 Hello there, I am using an STM32L4 family MCU. In an application, the RTC peripheral is utilized and clocked from an external crystal: The problem I have noticed just now is that with time, the RTC timer ...

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unusual power consumption by stm32l152cb in run mode

Posted on August 14, 2014 at 14:22I am running a sample code with while(1) loop running from flash using MSI @ 2Mhz  and it takes 6mA, but the data sheet shows that it takes 1mA with MSI @ 4.2Mhz running from flash.Are there any other configurations...

Why can I not get past f_open with SD card

Posted on March 05, 2018 at 05:51I am working with STM32F746G-Disco board to prove out the use of the SD card.  I am at a point where I cannot get the code to write data to the card using the fs calls.  First, I have setup the board in CubeMX with a...

Resolved! USB - SET_CONFIGURATION fails

Posted on January 30, 2018 at 11:32Hello,I have encountered a problem with my STM32L452VE - when I set up USB with CDC, it sometimes connects, sometimes not. When it doesn't connect, Windows clasically show yellow exclamation mark.Increasing heap si...

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CAN(Transmit 2 Farme clear time)

Posted on March 19, 2018 at 05:46hellofirst of all, sorry for my short English skills....I am working on a project that uses STM32F207 and STM32 HAL Driver using STM32CubeMX.I succeed in Tx and Rx.I have a question for CAN.Data is only 8byte in CAN ...

J.Park by Associate II
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FLASH_Erase_Sector

Posted on December 22, 2017 at 10:53I'm trying to store some data using HAL library.HAL_FLASH_Unlock();__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGSERR );FLASH_Erase_Sector(ADDR_FLA...