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Question on STM32 DMA FIFO

Posted on February 14, 2014 at 18:01Hi All,reading the reference manual of the STM32, I have a question related to a transfer peripheral to memory using DMA, direct mode ( no FIFO )In section 9.3.12, Direct Mode paragraph, i found:Direct modeBy defa...

STM32F427ZI USB

Posted on May 28, 2014 at 20:27Hello again Gentlemen!I would like to download some sample code to help me to program the USB peripheral to use it as a Virtual COM port. I guess on the PC side I have to install the ST Micro Virtual COM port driver, r...

gmotta by • Associate II
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  • 5 replies
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STM32F207 FSMC Bus Turnaround timing

Posted on May 29, 2014 at 16:15I need some help in understanding the Bus Turnaround time of the FSMC. I think I have it right, but don't want to burn out the data bus in finding out I'm wrong. Could someone who knows, confirm please? My STM32F207 ha...

fpeelo by • Associate II
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  • 1 replies
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Problem with prescaler TIMER in ENCODER mode

Posted on April 18, 2014 at 22:04Hi I configured the timer in encoder mode with prescaler:RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE); RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_8 | GPIO_P...

jsi by • Associate II
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  • 8 replies
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STM32Cube Try USB connection on USBD_Start

Posted on May 12, 2014 at 05:38Hello,before STM32Cube, my code would try to iterate with the computer right after USB configuration.With the code converted to STM32Cube, it does not. I have to unplug and replug USB. How could I force the MCU to try ...

yada2 by • Associate II
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  • 1 replies
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Read one byte from Flash memory

Posted on May 29, 2014 at 15:46Hi,I am working with STM32F303, and I need a suggestion to directly read one byte, in particular, the most significant byte from a flash memory address.I have tried some code, like the one below but I pick every time t...

giovanni2 by • Associate II
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  • 4 replies
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REAL TIME CLOCK (RTC)

Posted on May 28, 2014 at 06:33hello everyone today I try to use RTC in stm32f4 cube library and some errors occur. So now I will show my code for all of you see: void dtime_bsp_open (const dtime_time_format_t fmt) {     /* Configure the RTC periphe...

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