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 Leds

Posted on September 03, 2015 at 18:50Hi,i am searching for a openscource code to dim and change the frequency the leds over a potentiometer on the stm32f4 discovery board. I researched on the net but did not find anything. Can somebody help me pleas...

anomyzer by Associate
  • 706 Views
  • 3 replies
  • 0 kudos

F4 FSMC connect to FPGA

Posted on September 04, 2015 at 16:58Hi, I am using F405's FSMC to connect to a FPGA, I am planning to configure FSMC in SRAM/PSRAM mode, however, I only want to use 4 address lines, A[3:0], can the rest of address pins to be configured as GPIOs or ...

frank23 by Associate II
  • 520 Views
  • 1 replies
  • 0 kudos

CCM on STM32F405 and STM32F446

Posted on September 03, 2015 at 13:57Hi, We are using STM32F303 in one of our project and find the CCM routine booster is of great help. Now, we are openning a new project using F4, but the CCM programming information is very limited on F4. My quest...

frank23 by Associate II
  • 1085 Views
  • 3 replies
  • 0 kudos

STM32F4 Discovery - interfacing SD card with SPI & FatFS

Posted on September 03, 2015 at 18:35Greetings all, recently I am struggling with interfacing my http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419 with a 2 GB SD card (via http://i.ebayimg.com/00/s/NjAwWDYwMA==/z/CDsAAOxy-W9SNHsJ/$%28K...

Failing to call interrupt handler

Posted on September 04, 2015 at 09:23Hi all, I have implemented a simple routine to drive a buzzer. The routine will enable a timer and will toggle state of the pin connected to the buzzer at different frequencies. The buzzer code is: void buzz(uint...

danesh by Associate II
  • 493 Views
  • 1 replies
  • 0 kudos

RTC Calibration - AN2604 wrong?

Posted on September 04, 2015 at 09:46Hi!AN2604 (http://www.st.com/web/en/resource/technical/document/application_note/CD00167326.pdf) states a formula for calculating PPM. The formula is as following: f32_Deviation=((f32_AvgFreq-511.968)/511.968)*10...

trond by Associate
  • 404 Views
  • 0 replies
  • 0 kudos

Interfacing NAND flash K9F1G08U0B to stm32f103ZET6

Posted on September 01, 2015 at 12:13Hi, i have intefaced K9F1G08U0B to stm32f103ZET6 controller to store few images and use it later in my application, but i want to know is it possible to store multiple files with different offset address.  I came...