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

ADC Question

Posted on March 27, 2014 at 03:52 Hi , I am reading up on STM32F4 ADC and have problem understanding a few points . ADC_InitStructure.ADC_ExternalTrigConv =ADC_ExternalTrigConv_T3_CC1 ; ADC_InitStructure.ADC_ExternalTrigConv =...

what is speed of GPIO?

Posted on March 27, 2014 at 02:25I'm really wondering what speed selection of GPIO is.There are some options to select GPIO Speed, such as 2MHz, 25MHz, 50MHz and 100MHz.What does the speed mean?Which value is selected generally?

twoaten by • Associate II
  • 1250 Views
  • 4 replies
  • 0 kudos

USART STM32F4 PROBLEM

Posted on March 26, 2014 at 20:51Hi, I have an error in my code and I can not seem identifying the problemThe erreur is : ..\main.c(97): error:  #169: expected a declarationThis is my code /***********************************************************...

haythem by • Associate II
  • 789 Views
  • 8 replies
  • 0 kudos

STM32F407VGT6 SPI1 receive problem.

Posted on March 26, 2014 at 21:56Hello,For some time I've been developing system at my company, one of the features is SD card, interfaced via SPI (SPI1 to be more precise). However there is a problem with reception of data by MCU. When I map SPI1 t...

axel2 by • Associate II
  • 780 Views
  • 3 replies
  • 0 kudos

Setting up a 'global variable' using DCD

Posted on March 26, 2014 at 15:08I have a jump table currently set-up like thisProcTable DCD Proc1 DCD Proc2 DCD Proc3EndTableAnother part of my program that is acting as a processes manager which needs to keep track of the number of the process so ...

lo0446 by • Associate II
  • 906 Views
  • 5 replies
  • 0 kudos

Get DMA status

Posted on March 26, 2014 at 10:07 I use DMA on USART2 rx.(STM32f107) I can buffer my incoming data with DMA on circular mode and have no problem. My array size is 1024 byte and I don't want to wait for 1024 incoming byte and get interrupt ...

what lib you use?

Posted on March 25, 2014 at 14:31What driver lib you use for your projects? 1- standard firmware lib 2- stm32cube f4 3- you own lib please answer ,if possible write your reason.

STM32F103R8T6 With out PullUp

Posted on March 26, 2014 at 13:25Good afternoon!I faced one problem of transition from the stm32L1xx series on stm32F103r8.I can't understand how to work with USB without using external PullUp on D +?

gambit by • Associate II
  • 361 Views
  • 1 replies
  • 0 kudos
Top