STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

gif-stm32u0.gif

STM32Cube FMC config against F439 BSP code

Posted on April 30, 2014 at 22:12I'm trying to setup my project on STM32Cube just like the BSP provided with the STM32F439 in the firmware examples. Looking at stm324x9i_eval_sdram.c I see that SDRAM is configured on Bank1 with 11 address bits and (...

kartik by Associate II
  • 348 Views
  • 2 replies
  • 0 kudos

TIM3 timer period

Posted on May 21, 2014 at 15:46Hi,I use STM32F427 chip. In my application, I am generating a 25.6 kHz signal using an external signal with 9.984 MHz. In order to do so, the calculation for timer period should be as follows; (9.984MHz / 25.6kHz) - 1 ...

asecen89 by Associate II
  • 956 Views
  • 8 replies
  • 0 kudos

Ramping formula

Posted on May 23, 2014 at 07:31How to get the acceleration table as well as deacceleretion table for a motor what things I have to take in account please help

sanjib by Associate III
  • 233 Views
  • 0 replies
  • 0 kudos

Microcontroller does not start

Posted on May 13, 2014 at 21:45I am facing a strange problem using STM3205RBT6Sometimes when I power up my controller it does not get start executing the code.First line of my code is to configure a pin output & toggle it. Sometimes it doesn't happe...

32F429IDISCOVERY SDRAM Code execution error!

Posted on November 02, 2013 at 10:08Hi guys,I have a strange problem about STM32F429-DISCO. I have used this board in a couple of weeks. I have run every hardware blocks successfully including SDRAM. Everything look fine to the right now! I want to ...

tmkaran by Associate II
  • 542 Views
  • 6 replies
  • 0 kudos

Error Message ''Unknown Target Connected''

Posted on October 17, 2012 at 10:14Hi Guys, I have been playing with my STM32F4Discovery board for a few weeks now using the provided programs, but now I wrote one of my own and can not get it to work. I am using some of the files form the IO_Toogle...

Solution

Posted on May 22, 2014 at 19:57Hi, I know it's an old thread but I decided to answer just in case someone else still has this problem.''I added this line in my IWDG initalization:while ((IWDG->SR & (IWDG_SR_PVU | IWDG_SR_RVU)) != 0) {}But it never c...

Jumping to Application

Posted on May 13, 2014 at 16:53Hi, I'm quite new with the ARM and STM32 world. I'm developing an application wich has to load a bootloader and, at a certain point, jump to the main application. I'm using the STM32F4-Disco. The bootload is quite comp...

Lori B. by Associate III
  • 3076 Views
  • 25 replies
  • 0 kudos

''Unknown Target Connected'' After I connected 3v to PF9

Posted on May 22, 2014 at 17:02After I connected 3v to PF9, then It happened ''Unknown Target Connected''. I am not sure it is coincident, or that connection caused some problem in hardware  . I was planning to use PF9 as ADC to check the voltage. P...

Linda by Associate II
  • 278 Views
  • 2 replies
  • 0 kudos