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UART DMA usart2 to uart1

Posted on May 16, 2012 at 03:40Hi , i want to transfer the incoming data on uart2 to uart1 using DMA i d'ont know where is the problem with my code

Dynamic System Clock Frequency

Posted on October 29, 2013 at 12:51HiI wonder if there are any negative side effects when changing the system clock speed dynamically. I have an I2S audio samples transfer running (via DMA) and therefore, the CPU is put into sleep mode and the DMA i...

DCMI to memory DMA transfer

Posted on October 29, 2013 at 08:43 Hi, I am trying to receive datas from a camera module through DCMI interface and send each 8bits received to UART. The problem is that I can only receive one word (NDTR=1) and the program only enters the DM...

TFT+ SSD1963

Posted on October 29, 2013 at 22:52helloMy question is this .... I'm working on a project that involves a WF57BTIBCDC Winstar TFT (SSD1963 controller, 8 bit) with Dyscovery STM32F4. my question is: I need an external memory to work with FSMC compuls...

STM32F3 Vbat monitoring problem

Posted on October 30, 2013 at 11:57 Hello. STM32F373C8, IAR I have a problem with monitoring battary charge on Vbat pin by internal ADC1 channel. I configurated phy like in stm32f37x_dsp_stdperiph_lib but it dosn't works right. My code: ...

cg by • Associate II
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How fast ? ;-)

Posted on November 16, 2011 at 08:29Hello,Just wondering ... did somebody already tried to overclock an STM32 (F2 series for example) ?What max clock can we achieve before the chip blows up (with correct flash wait state) ?Thomas.

root by • Associate II
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STM32F4 ADC TIM Triggered

Posted on October 29, 2013 at 11:58 Hello, i'm trying to regulate the Samplefrequence of the ADC3 via TIM2 OC2. Case, ADC Continuous Mode = Enable: Works Case, ADC Continuous Mode = Disable: no Conversation Does anyone se...

gausa by • Associate II
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SD doubt

Posted on October 21, 2013 at 16:37Hi everyone,I have a doubt and i hope someone can help me.I'm writting my SD card files with .001, .002, .003, etc extension. I need to know which is the biggest extension of my files. I'm using Fat32. Is there any...

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