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

Bug in the STM32F4xx mbed library

Posted on October 08, 2015 at 11:44 Hello. There's an issue in MBED's spi_api.c file. Function void spi_frequency(spi_t *obj, int hz) line baud_rate = __builtin_ffs(divisor) - 1; The problem is this line makes a...

vech2001 by • Associate II
  • 728 Views
  • 1 replies
  • 0 kudos

Nucleo-L053R8

Posted on August 11, 2015 at 12:00Hello,I'm using nucleo-l053r8 for my project. I have to make a data logger application with a sensor. Here i have developed my code in mbed tool. I also store the values in SD card. Now my task is to make my own cus...

gandhi by • Associate II
  • 1652 Views
  • 9 replies
  • 0 kudos

STM32F3 stop mode problem (WFE)

Posted on January 30, 2013 at 15:17Hi, we have a problem with the STOP mode of the STM32F3. We have the feeling, that the F3 immediately returns from STOP mode, if ANY interrupt is enabled and has been activated before entering the STOP mode. The se...

arnold2 by • Associate II
  • 6026 Views
  • 16 replies
  • 0 kudos

STM32L053 Standard Peripheral Library

Posted on April 24, 2014 at 11:34Hi All, I am designing the Heat Meter with STM32L053 now. So have you released STM32L053 Standard Peripheral Library yet please? It is very important to speed up our design schedule. Thanks. #stm32l053

alfred by • Associate
  • 1377 Views
  • 6 replies
  • 0 kudos

entering standby at WKUP pin is high

Posted on October 01, 2015 at 09:30hiPlease see the attached file.I use STM32L151QE PA0(WKUP1) for external wakeups from Standby Mode, CASE1 is wakeup OK, but CASE2  is wakeup NG.I know WKUP1=High  and entering standby, then the device will not wake...

hosoi by • Associate II
  • 1353 Views
  • 4 replies
  • 0 kudos

CM7_ITCMCR value of STM32F7

Posted on October 07, 2015 at 03:51Hello experts, I have a question about CM7_ITCMCR value of STM32F7. I am using STM32CubeF7 and I checked the CM7_ITCMCR value at the entry of the main function. The value was 0x73 and this means ITCM size is 8MB. H...

dqi07234 by • Associate II
  • 940 Views
  • 2 replies
  • 0 kudos

2x DMA vs. 1x DMA

Posted on October 02, 2015 at 21:16Some of the MCUs have 2 DMAs (12 channels), while others have 1 DMA (7 channels). What are benefits of 2 DMAs, except number of channels? Do DMA1 and DMA2 (in case of two DMAs) share the same bus, or do they have s...

matic by • Associate III
  • 2660 Views
  • 8 replies
  • 0 kudos

Read Out Protection, Update Bootloader.

Posted on October 07, 2015 at 21:57Dear all.I want to ask about the Read Out Protection of STM32.I don't make sure can ask you here or not. If that make effect on you. I will so sorry for your inconvenience.Now my Situation is:1/ I have a board with...

Send file via bluetooth

Posted on October 07, 2015 at 11:04Hi ! Could someone tell me how prepare file to send it via bluetooth (WT12) from uC (stm32f429) to for example computer ? Now I have bitmap in array form but need I convert it to windows bmp format ? Any suggestion...

mgieroba9 by • Associate II
  • 1352 Views
  • 1 replies
  • 0 kudos
Top