STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32F4 Discovery Soft Synth

Posted on June 26, 2012 at 18:36Hi to all,I started to develop a STM32F4-Discovery Soft Synth. A video showing it's first  beta release is here: http://www.youtube.com/watch?v=4JkhzH57Je4In some post I view a interest to audio application using STM3...

STM32F205 quiescent current under reset

Posted on March 22, 2013 at 00:42I am holding an STM32F205 in reset (NRST pin low). I am measuring the current into VDD1-4 plus AVDD at 1.7mA. I am using 3.3V. 0.1mA I can explain through the pull-up resistor on the NRST pin per datasheet. 0.3mA I [...

Problem with SPI

Posted on March 20, 2013 at 15:29Hello, I´m using STM32F303 and I´m trying to communicate via SPI (simplex SPI1-SPI2 using interrupts). It couldn´t be easier but it doesn´t work and I can´t find mistake. I connect PB3 (SPI1_SCK) with PB13(SPI2_...

j3lda by Associate II
  • 1330 Views
  • 6 replies
  • 0 kudos

PWM for stepper motor

Posted on March 21, 2013 at 23:29hi all,please i need help. I have to generate 2 signals PWM like this:I think that we should insert a dead time. How to do it plz?

0690X000006037BQAQ.jpg

STM32F303 - disabling DMA during transfer

Posted on March 21, 2013 at 04:08I'm having difficulty getting deterministic behavior when disabling a DMA transfer in progress.  I'm using DMA to feed the USART 2 transmitter from a buffer.  When I need to queue up more data for the transmitter, I'...

Wakeup from timer interrupt

Posted on January 24, 2013 at 17:54Hi allI  am using STM32  and trying to make the  periodic  wake up  of the CPU from low power sleep mode , by interrupt from TIMER 9 , and I see the following strange behavior: I    succeeded to wake up the CPU fro...

genadyk by Associate II
  • 1682 Views
  • 5 replies
  • 0 kudos

STM32_USBD_OTG VCP example explanation

Posted on March 17, 2013 at 12:51Hi all, I am a beginner to USB and after some days of reading USB OTG library and RM0033 in the scope of getting started with USB. I'll to try to explain the virual com port example in my own words and fore w/o garan...