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Forum Posts

F407VET6 not entering code - left nRST floating by mistake

Posted on December 30, 2014 at 04:46I goofed, big time. I'm new to the STM32F and I didn't follow the STM32F4 discovery schematic. I built a board that I wanted to power up from flash, and while I remembered the BOOT0 setting (GND), I left nRST floa...

siegelj by Associate II
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  • 8 replies
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Timer PWM and Counter question

Posted on December 31, 2014 at 16:53I am using an STM32F407I want to generate exactly 400 pulses on PE5 or PE6 with a 50% duty cycle.I believe PE5 can be connected to TIM9 CH1, and PE6 can be connected to TIM9 CH2I have the PWM code running and I ha...

barry by Associate II
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  • 1 replies
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using the flash as an EEPROM of STM32F3

Posted on November 25, 2013 at 17:50Hi, This is a post that was posted before in a wrong thread, this post was : I would like to store my data in memory when the computing is done and used the data for the next use. I don't have the EEPROM memory o...

hilwan by Associate II
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  • 19 replies
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problem in calling timer interrupt routine

Posted on December 30, 2014 at 05:19I am using timer2 and I am trying to generate an interrupt from it, so according to vector table the TIM2 ID is 44 so i  am defining an interrupt routine as __interrupt(44) void TIM2_IRQHandler() so why is it not ...

Changing the font size

Posted on December 30, 2014 at 22:41I am working on my final year project and i have to change font of my display on LCD..Only available fonts in library are 4Font16x24Font12x12Font8x12Font8x8i thought of creating my own font files but could not und...

aatif by Associate II
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  • 8 replies
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problem with running RTC program in stm32f103ret6

Posted on December 28, 2015 at 23:44hi (at first excuse me for my English) I use standard peripheral  example for implement RTC at stm32f103ret6. but this example runs in microcontroller to this line and after that stops. what is the problem? and ho...