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STM32 USART Tx inaccuracy issue

Posted on September 22, 2013 at 16:39I'm seeing an issue when I transmit a byte using the USART (USART 2 in my case). I need an accurate delay between bytes of 5ms. So when a 5ms timer expires I transmit a byte. However with the code below I'm seein...

Question for STM32 USB Full Speed Device Library V2.2.1

Posted on September 06, 2013 at 02:11Hello guys, I have a question for : Question for STM32 USB Full Speed Device Library      V2.2.1 How can I use SD card on Mass_storage demos ? is it connected via SPI or SDIO ? or I can choose ? and how can I co...

STM32F0 SPI to SPI using DMA controller

Posted on July 18, 2013 at 22:30I am using a STM32F0 chip and I have a serial flash chip hooked up to SPI1 and a 1.7'' serial display hooked up to SPI2.  I have a YMODEM protocol implemented and have uploaded images to the flash.  I also have a some...

Accessing Embedded Internal Flash (2MB) on STM32F429I-EVAL board

Posted on September 26, 2013 at 12:45I am working on STM32F429I-EVAL board with JLINK (Ver 4.76e) as Probe. I have successfully loaded and executed the hello world program on Internal Embedded SRAM (0x20000000; Size = 192K).  But I am unable to acce...

H UQ by Associate II
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[ask] SRAM and flash memory

Posted on September 26, 2013 at 15:18hi, i'm new to stm32. could someone please explaine to me what the difference between sram and flash memory??Regards #lmgtfy

Digital Filter working real-time with arm_fir_f32 function

Posted on September 25, 2013 at 13:53 Hi, I am using the DSP Library to make a Fir Filter with STM32F407 and uvision4. The example work fine and the data is right comparing with matlab. Now I am trying to make it work in a real time app...

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felipe by Associate II
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STM32F0-Discovery with HSE

Posted on September 24, 2013 at 23:24I want to run my Discovery board with an external HSE soldered into X2 on the board. I ran the clock configuration tool and generated a new system_stm32f0xx.c which seems to be correct. It seems to still be using...

munger by Associate II
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STM32F107RC Ethernet minimal board

Posted on September 25, 2013 at 15:35Hi, I would like to use with Ethernet. I need to build minimal board. In datasheet I found: ''Ethernet MAC interface with dedicated DMA and IEEE 1588 support''. Is possible to connect RJ45 connector directly to ...

martin159 by Associate II
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