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

STM32L unstable at high frequencies

Posted on December 11, 2012 at 02:23 My STM32L151RCT seems to become unstable when I set the SYSCLK to PLL=26MHZ. Lower frequencies (say, 20MHZ) appear to be solid. The failure mode is inconstantly a HardFault, or stack pointer gets ...

Change TIM2 prescalar value on the go

Posted on December 11, 2012 at 13:05Hello all experts, I have configured the TIM2 timer of my stm32f4 discovery board. Now I want to change the prescalar value of it on the go. My code is as follows **************************************************...

tybandara by Associate II
  • 1045 Views
  • 1 replies
  • 0 kudos

Nichelite - Doesn't include FIN packet support?

Posted on December 11, 2012 at 12:32I've been using Nichelite on a STM32F107 and have come to the conclusion that it doesn't fully support the TCP/IP protocol in that it doesn't produce FIN packets when a connection is closed. Can anybody confirm th...

TIM2 Interrupt issue

Posted on December 11, 2012 at 09:30Hello all experts, I configured the TIM2 in my STM32F4 discovery board such that it gives me interrupts every 50ms. The code is as follows. ********************************* void TIM2_IRQHandler(void) {   if (TIM_...

tybandara by Associate II
  • 1431 Views
  • 1 replies
  • 0 kudos

STM32f217IG SPI Master MISO question

Posted on June 07, 2012 at 08:55I have read through many posts about SPI problems and configuration questions.  I feel I have everything configured correctly, however I do not receive any data transferred across the MISO line.  Below shows the confi...

rmpresto by Associate II
  • 3158 Views
  • 9 replies
  • 0 kudos

I2C problem

Posted on December 03, 2012 at 10:23I am a beginner about the microcontoroller. I use STBee. I want to connect a STBee and a sensor(IMU 6DOF ITG3200/ADXL345). At first I want to let you display a value of the x-axis. Please teach a solution. &sharpi...

s1170198 by Associate II
  • 2971 Views
  • 7 replies
  • 0 kudos

usart problem

Posted on December 10, 2012 at 11:23Hello All, I am using STm32f2. I am using USART1 , i wnat to read and write some data to the device connected to USART1 I am setting 9600 as baud rate, i could see RXNIE RE,TE ,SBK,WAKE,PS,PEIE,IDLEIE,TCIE bits se...

Power & debug/programming reference design

Posted on November 20, 2012 at 17:00Is a basic reference design available for the STM32F4 family for things like power & programming header? I've looked at the data sheets but it seems that there are many different ways of programming, all spread th...

STM32F4 don't start and can't programmate...

Posted on December 07, 2012 at 09:40Hi, I have my own homemade board designed from a STM32F4 in LQFP100. It is supplied by +3.3V power. The JTAG is connected like that : - TMS : p.72 - TCK : p.76 - TDO : p.89 - TDI :  p.77 - nRESET : /reset ie p.14...

DNA-) by Associate III
  • 3456 Views
  • 7 replies
  • 0 kudos