STM32 MCUs Products

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Problem with file creating on SD card with FatFs lib

Posted on April 16, 2014 at 12:36 Hello, I use a STM32F427 running with FreeRTOS. I try to create a file on my SD card, through SDIO, thestm32f4_discovery_sdio_sd.c (DMA mode). I also use the librairyFatFs R0.09, ported by Clive I ...

Bit width of the SDRAM on STM32F439 MCU

Posted on May 08, 2014 at 14:37Hello! Is there any goal in use a 32 bit SDRAM memory VS the 16 bit SDRAM memory on STM32F439 device? I want to transfer a 30 fps video from DCMI to 4.3 LCD. Wich SDRAM will be faster? 16 or 32 bit?

stm32f303vct debugger fault

Posted on May 07, 2014 at 16:56stm32f303 debugger is not working .controllerdoesnt power up with usb connection with laptop but when i supply external supply of 3v it powers up but debugger still not working .what could be the fault ? #stm32f303v...

USB pin USB_OE

Posted on May 08, 2014 at 13:06Hello. I am working with STM32F072RBTX  and I want to implement USB but I don't know what I need to do with pin USB_OE because I need that pin as GPIO. Can I have USB on my board and use USB_OE as GPIO?

admir by Associate
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Usart serial window viewer

Posted on May 08, 2014 at 09:34Hi, i have a STM32F3Discovery board and i am trying to communicate to a sim900 module. First i am trying to send data serially from the discovery to the computer using hyperterminal on windows 8. I am sending the char ...

francois by Associate II
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STM32F439_EVAL2 enable Touch Panel Interrupts

Posted on May 07, 2014 at 22:32I'm working on the STM32F439 Evaluation board. The touch panel dirver in the demo code only polls for touch co-ordinates. I want to set it up so that I can get touch interrupts however when I look at the accompanying c...

kartik by Associate II
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Problem with UART1 DMA

Posted on May 04, 2014 at 03:14The original post was too long to process during our migration. Please click on the attachment to read the original post.

vnd241092 by Associate II
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