STM32 MCUs Products

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Forum Posts

EXTI signal capture speed limitation

Posted on January 18, 2013 at 15:12 Hi all, I am using a DiscoreryF4 board to develop a small application that counts pulses entering a specific pin. This is required to read the pulses from a field instrument that generates the pulses as...

hermanv by Associate II
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  • 10 replies
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USB FLASH STICK

Posted on March 14, 2013 at 10:50Hello In my new project I need to connect 2 or 3 USB sticks to stm32f4 ; later on i was able to do that with one stick only ; is that possible ? Could you suggest me a solution ? Regards

sami by Associate II
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  • 1 replies
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Debouncing interrupts

Posted on March 10, 2013 at 23:38Hi, In our system, we are trying to debounce switches on GPIO lines. Every msec the switch is sampled using TIM3. After 16 ticks, if the input has settled, the idea is to set the interrupt pending register and trigge...

stenasc by Senior
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  • 14 replies
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Can't start application without debugger

Posted on March 13, 2013 at 09:05Hi everyone!I haven't found any useful information about my trouble, unfortunately. I am a newbie in STM32 MCUs. But I've used another ARM-based devices before.I've started with STM32F102R8. Using IAR and ST's periph...

stm32f10tvct uart5

Posted on March 08, 2013 at 10:46hi, I'm working with the stm3210c_eval and I would like to use the UART5 . this is the configuration void UART5_Init(void) {   GPIO_InitTypeDef GPIO_InitStructure;   USART_InitTypeDef USART_InitStructure;   /* Clock...

aymen by Associate II
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  • 5 replies
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STM32 USART Timing problem

Posted on March 11, 2013 at 13:07Hello; i have a small USART Test application.  It should send, controlled by an timer, constant ''A'' characters By receiving a character from the terminal Program of the PC an interupt is fired. The terminal program...

SPI3 not working

Posted on September 05, 2012 at 21:45 Hello, ai am trying to comunicate with external DAC and having some hard time using SPI3 in GPIOC port (12,10 and 11 for CS) i have no problem with SPI2, but SPI2 is for LCD touschreen so i want to make new...

linas2 by Associate II
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  • 2 replies
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Control of a MOSFET by STM32F4 DISCOVERY

Posted on March 12, 2013 at 12:39Hello, I'm using the STM32F4 discovery and I need to control the state of a MOSFET to enable a relè. Precisely if the USART1 receives a particular comand a pin has to generate a high tension level to set the MOSFET ...

Looking for documentation on FSMC PCCARD interface

Posted on March 13, 2013 at 06:39Hi all.I am having a really hard time finding any documentation at all on how to interface with a PCCARD bus using the FSMC.I am specifically looking for how to do I/O space access.Also, about some possible issue wit...

mizvekov by Associate
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