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Forum Posts

FSMC in synchronous/burst mode

Posted on December 27, 2011 at 10:39Hello, I would like to configure the STM32F2 FSMC in synchronous/burst mode, but all the examples provided by ST are using asynchronous.  The Reference manual is also unclear which configuration should be used. Do...

anhhuy by Associate
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STM32F2, I2S and CS4344, I2S clock problem.

Posted on December 22, 2011 at 14:04Hello, I'm truing to use STM32F217 and CS4344 for my audio application. I have problem with clock initialization. /* Enable HSE */   RCC->CR |= ((uint32_t)RCC_CR_HSEON);     /* Wait till HSE is ready and if Time o...

noise in dac using dma

Posted on December 20, 2011 at 10:52 Hello, I can synthesize a waveform into a buffer, dma transfering it to dac. Result is ok but there's a noise that I can't remove. When the waveform is a 0 signal, the noise is still here. The n...

julienbld by Associate II
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After calling NVIC_GenerateSystemReset(); the system collapse

Posted on December 23, 2011 at 12:09Hello, i am programming the bootloader for the stm32f103c8 mcu.  The SW has bootloader part and application part.  In the application I use the function NVIC_GenerateSystemReset() to reset the mcu to the bootloade...

chunyu by Associate
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How to compute filter coefficients?

Posted on December 20, 2011 at 14:26Hi every stm32 fan, In my application I am sampling my input signal at 8KHz and now I need to filter out my samples in order to remove high components. Is there a software tool which computes the coefficients of a...

STM32F4-Discovery Base Board with BB3U

Posted on December 22, 2011 at 23:09I have built a baseboard for the STM32F4 Discovery module.  It has two RS232 ports and two 50-pin headers allow easier connection to the other pins. I have some photos on my blog:http://kornakprotoblog.blogspot.co...

kornak by Associate II
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5V in 3.3V logic level when powering F205 through USB OTG HS

Posted on December 21, 2011 at 18:54Hi We have an odd problem. We have a custom F205RBT6 based board. It can be powered through separate 5V pins or USB. The 5V goes to a 800mA linear regulator which then provides 3.3V to the F205. We have an extra l...

tuomas by Associate II
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  • 4 replies
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