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Forum Posts

How to disable internal PU/PD resistor in stm32

Posted on October 19, 2016 at 16:39Hi everybody, I just connected one resistor in pin PA3 of stm32f091 to read value of a voltage divider. But when i connected this, my tension is down. I know there are pull up and pull down internal resistor about ...

samir2 by Associate II
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  • 2 replies
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How to disable internal PU/PD resistor in stm32

Posted on October 19, 2016 at 16:38Hi everybody, I just connected one resistor in pin PA3 of stm32f091 to read value of a voltage divider. But when i connected this, my tension is down. I know there are pull up and pull down internal resistor about ...

samir2 by Associate II
  • 522 Views
  • 1 replies
  • 0 kudos

STM32F373 SDADC injected conversion order

Posted on July 01, 2016 at 12:30Dear ST Team, along another issue I found in the F373 SDADC code, I saw a strange behaviour of the SDADC against the description in the F373 reference manual. My software samples some sensors connected to multiple cha...

STM32303E-EVAL STEVAL-IPM15B ST motor control workbench

Posted on October 19, 2016 at 17:06Hello, I want to spin my PMSM motor with STM32303E-EVAL. I am using STEVAL IPM15B board as a power stage. I have downloaded latest STM Motor control PMSM FOC library v4.2 with STM Motor control Workbench. I have f...

24mato by Associate
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  • 0 replies
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Critical error with STM32F3: not working anymore

Posted on October 18, 2016 at 01:27Hello to everyone, Today I received a STM32F303VC for a university course. Worked with this board a couple of times before, did some simple programs (switching on the leds) and took it to my home. Here I tried to d...

guidored by Associate
  • 875 Views
  • 4 replies
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32KHz External Oscillator on STM32F779

Posted on October 19, 2016 at 09:44Hi,I have recently been having problems with the 32KHz external oscillator on a number of boards failing to start or running slowly when it does start. After trawling the reference manual I found the LSEDRV bits in...

Is it possible to transfer data from FLASH to DAC using DMA?

Posted on October 19, 2016 at 10:42Hello, I'm very new to STM32. I'm trying to generate some complex signal using internal DAC, using array of values. I would like to store this array in ROM (FLASH), since I need RAM for another task. Is it possible...

ivashi by Associate
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  • 1 replies
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STM32F373 ADC1 offset

Posted on October 07, 2016 at 11:17 Hello, I have problem with stm32f373 ADC peripheral. My config ADC1 pin PA2 always gives 1.6 V at output, but it's configured as analog input. I usedADC_BasicExample, but result is the same. In errata no infor...

cezis999 by Associate
  • 704 Views
  • 2 replies
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Problems with TIM input capture

Posted on October 11, 2016 at 19:08Hello, I am having some difficulties with input capture on the nucleo64-r401re.I manage to generate a PWM signal to a ultrasonic sensor, that replies correctly (checked with oscilloscope), however i do not manage t...