STM32 MCUs Products

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Forum Posts

STM32f427 clock system

Posted on December 11, 2013 at 11:43Hi,Is there the possibility to achieve the maximum CPU clock speed (180MHz) with the USB clock at 48MHz??According my calculations, to have USB clock of 48MHz I need to reduce the CPU clock to 168MHz, instead of 1...

ababo by Associate II
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[STM32F2xx] Running code from ram.

Posted on August 02, 2011 at 11:00Hello,I'm using tasking which allows easily to tag methods to be copied in ram at startup and then run them from ram.But I'm wondering at which extend it is a good idea ...On the one hand, run from ram means zero wa...

root by Associate II
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  • 3 replies
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EWARM breakpoints not working....

Posted on December 11, 2013 at 11:57The subject line is not strictly right. I can set breakpoints but not on all of my code. Here is the story so far.I have written some code for the STM32F0 Discovery board. The code runs both SPI ports as masters, ...

jason23 by Associate II
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STM32L Discovery I2C issue

Posted on December 10, 2013 at 08:57  The original post was too long to process during our migration. Please click on the attachment to read the original post.

klemen by Associate II
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  • 1 replies
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LSM303DLHC Data Ready

Posted on December 10, 2013 at 10:37Anyone can help me in configuring the LSM303DLHC data ready interrupt 1 on the  32F401CDISCOVERY board. I enabled it by writing on CTRL_REG3_A but i can see it only when i read manually a full set of data

andiob by Associate II
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  • 1 replies
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STM32F4 SPI-DMA error

Posted on December 06, 2013 at 14:18The original post was too long to process during our migration. Please click on the attachment to read the original post.

gcntrk by Associate II
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  • 4 replies
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custom IAP stm32f407

Posted on July 17, 2013 at 10:43Hi, I would like to add in-application programming (IAP) to my design. Of course, this is supported by the chip, with built in bootloader, etc. But in our system there are a number of chips distributed around the mach...

ian239955 by Associate II
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  • 9 replies
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periphe

Posted on December 10, 2013 at 12:32heloo,I have problem ? how to use the null-modem female/female RS232 cable between the DB9 connectr CN16 (USART3) and PC serial ??can you give me a picture please ?  #lmgtfy #first-principles #ask-better-questi...

tifou by Associate II
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Unique device ID address in STM32F2xx

Posted on December 10, 2013 at 12:32Hi,I have been looking for some time and I cannot find an answer. In a previous project I found the UID for the STM32F107 using the following function. Can someone tell me what the equivalent for STM32F2 is?void G...