FAQs

STM32 MCUs Products

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

cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Sign In to Post

How fast can the timer inputs count?

Posted on March 28, 2013 at 00:02  How fast can a timer input count (M4)? I want to repeat triggering an event after a certain number of counts of a very accurate clock (as fast as I can use). #advanced-timers

internal command error st-link

Posted on March 27, 2013 at 07:40When I try to debug my target board with stm32f103rbt6 with st-link (from discovery board), I get a message ''internal command error''. After, I get few messages ''Error while attempting to read 64 bytes from memory ...

ss2 by • Associate II
  • 951 Views
  • 1 replies
  • 0 kudos

Stop interrupt during BootLoader

Posted on March 27, 2013 at 02:31Hi. I am using AN2557 appilication as my base line for BootLOader. I have some question. 1. If I use the systick int during that time, is there any period I have to close it , like during FLASH programming or going t...

Barbie by • Associate II
  • 894 Views
  • 3 replies
  • 0 kudos

Flash loader demonstrator V2.6.0 command line problem

Posted on March 27, 2013 at 10:59I did not receive response for my previous question; Here is the exact description of the problem. Command below c:\''Program files\STMicroelectronics\Software\Flash Loader Demonstrator''\STMFlashLoader.exe -? return...

var2 by • Associate III
  • 716 Views
  • 2 replies
  • 0 kudos

I2C EEPROM Transmittiong and Receiving

Posted on March 21, 2013 at 11:55Hi,I am trying to send Datas to a 24C128 EEPROM via I2C interface of an STM32F4 Discovery. The problem is that I am not receiving the same value I am writing into the EEPROM. I am trying to write 0x05 into 0x00 addre...

External SRAM (FSMC) poor performance

Posted on March 26, 2013 at 12:02Dear all, I have developed a board on which a STM32F205 microcontroller is connected to an asynchronous external SRAM (ISSI IS61WV102416BLL) which has read/write access times of 10ns. This RAM is used as a picture b...

johann23 by • Associate II
  • 1176 Views
  • 3 replies
  • 0 kudos

Programming MCU using CAN

Posted on March 27, 2013 at 08:55Hi all!I am currently working on a project where i am to program the MCU (STM32F107) over the CAN bus. I have looked into to the ''in-application programming'' and the bootloader datasheet, but there is some question...

ojoel by • Associate
  • 688 Views
  • 1 replies
  • 0 kudos

HardFault

Posted on March 22, 2013 at 21:09Hello,I have a problem which i cannot resolve.My first code, a DCF77 receiver which update my RTC once a day runs fine without any problems.Now, i have added a new function to calculate the Sunrise or Sunset time for...

stmf1xx class b certification

Posted on November 08, 2011 at 16:28AN3307 Application note Guidelines for obtaining IEC60335 Class B certification in any STM32F1xx applicationanyone have experience with this?cross posted at Keil forum

emalund by • Associate III
  • 841 Views
  • 2 replies
  • 0 kudos

SSD1963 and STM324 FSMC

Posted on March 01, 2012 at 14:49Hello, i have working code for SMT32F103 without fsmc controller, and now i was able to make code for STM32F4 with fsmc controller but it look like speed is the same. Where fsmc will give my speed improvement ? or i...

linas2 by • Associate II
  • 1331 Views
  • 9 replies
  • 0 kudos
Top