STM32 MCUs Products

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STM32F407 Analog Watchdog too slow

Hello, I am working on a project in which the AWD must react quickly (less than 500 us).But when using the oscilloscope, it takes around 70 ms to react.The project is big, so i can't give everything, but the ADC are configured like following :uint32...

How to improve accuracy of CMWX1ZZABZ-091 RTC

I'm using the B-L072Z-LRWAN1 with the CMWX1ZZABZ-091 LoRa® /Sigfox™ module (Murata)The internal RTC is inaccurate and I'm seeing 10 seconds loss per day for some modules. My question is, why could this be? Datasheet says 1.73 seconds / 20ppm for the ...

MAebl by Associate
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STM32f429 R0.12c fatfs error f_mount ?

Hi guys,If i use R0.11 fatfs library with cubemx 4.21 verison, f_mount is work. But i upgrade my cubemx version to 4.26.1. Then i create sdio project. But f_mount(&SDFatFs, (TCHAR SDPath, 1) is not work with fatfs library version R0.12c. What can i d...

Hi world! by Associate III
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Retry issue of STM32F4-Discovery + USB host MSC + FatFS

Posted on July 16, 2018 at 15:54Hello!My name is Jason.I have been testing USB FatFS of STM32F4-Discovery board since last week.And I tested reference source code of STMicro.(STM32Cube_FW_F4_V1.21.0\Projects\STM32F4-Discovery\Applications\FatFs\FatF...

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Jason Ro by Associate II
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  • 1 replies
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X-CUBE-SBSFU for L4+

Posted on June 04, 2018 at 22:36Hi.I tried to port latest SBSFU to STM32L4+ line of MCUs using NUCLEO-L4R5ZI board.I modified preprocessor macro to STM32L4R5xx and I found such problems:1. FLASH_PAGE_SIZE for L4+ is 0x1000, while for L4 it is 0x0800...