STM32 MCUs Products

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Need help with RS232 receive & STMCubeMx

Posted on August 02, 2014 at 08:45Hi,I'm using RS232 on USART2 of STM32F407 with CubeMx 4.0. I have a protocol which starts with '[' and ends with ']'. I need everythin between 2 braces and I have variable record length. So its not possible to use H...

Osto by Senior
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problem with DfuSe tool

Posted on April 25, 2015 at 11:47HiI want to use to DfuSe tool for my application. I use L6470 stepper motor driver and STM32F107RC microcontroller in my board. My DfuSe tool is V3.0.4. I load firmware to the board by using the DfuSe demonstration s...

yasamin by Associate II
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Flash page size for STM32F405?

Posted on April 25, 2015 at 03:55What is the page size for flash on the STM32F405 chip?  I can find the layout of the flash in RM0090 manual, but the page size is nowhere to be found.  Is there somewhere else I should be looking?  Surely it's docume...

TDK by Guru
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  • 2 replies
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Max heap size and allocating memory

Posted on April 24, 2015 at 19:12Hi!I have STM32F407VET6 MCU with 192kB RAM. I need allocate 150kB for storing image after processing data. However I can't allocate such big array. I though I should increase heap size, but I can't increase it more t...

wojdembi by Associate
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  • 3 replies
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UART receive interrupt

Posted on April 22, 2015 at 19:02I have a board using an STM32F105.  There is a GPS connected to UART4.  I've been trying to get the RXNE interrupt working for a couple of days now, but I must be missing something. The UART seems to be enabled, as I...

Modify the start address 0x800 0000

Posted on June 26, 2012 at 16:26Hi,My microcontroller is a STM32F103CB.I followed the AN2557 to do an IAP in my software. Everything works fine but now I would like to do something like a dual bank features.I can flash two firmwares at two different...

eancelin by Associate II
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  • 28 replies
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Handling ADC with DMA

Posted on April 24, 2015 at 07:13Hi, I would like to ask how to sample adc values (potentiometer) using DMA interrupt? #adc #dma #stm32f3discovery