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

Flashing bootloader

Posted on June 26, 2014 at 08:30Hey,I have a strange occurrence concerning with my STM32F.I try to flash the bootloader using the FlashLoaderDemonstrator. I'm sending an acknowledgment to the controller but it doesn't send me the acknowledgment back...

t2 by Associate
  • 705 Views
  • 3 replies
  • 0 kudos

TIM3 Issue in STM32F215

Posted on June 05, 2014 at 14:30Hi, I am using TIM3(PC6 to PC9) for PWM output in STM32F215. In this I want three 50Hz PWM signals and one 8KHz signal. So I have configured PC7,PC8,PC9 as 50Hz PWM  signals. For this i have assigned PrescalerValue_50...

PLL Clock Problem

Posted on June 26, 2014 at 12:24Hi, I am using stm32l152r8 in my custom board.In this while I running the code I am getting error which is can not access the memory. After some time i found the error which is if ((RCC->CR & RCC_CR_HSERDY) != RESET)...

STM32F407 USB as Virtual COM Port Host (CDC Host)

Posted on October 16, 2012 at 13:47Hello! I already found a library packet for using the STM32 USB as Virtual COM device. What I need is a library for a Virtual COM host, so I can connect a CDC device to my STM32. It's just for one specific CDC dev...

Setup I2C slave to have more than two addresses

Posted on June 24, 2014 at 09:41Hi ST,I am using the STM32L151 processor on a custom made PCB. I use the I2C2 port as a slave and a GUI on my computer as master. The I2C1 port is setup as a master to control 12 slaves. The purpose is that the GUI sh...

kennethf by Associate II
  • 712 Views
  • 2 replies
  • 0 kudos

TIM3 on STM32F100RCT only CH1 giving PWM

Posted on June 24, 2014 at 23:21 Does anyone have such issue? /* TIM3 clock enable */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); /* AFIO enable */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOC | RCC_APB2P...

pchala by Associate II
  • 681 Views
  • 2 replies
  • 0 kudos

STM32 F103 - TIMER CLOCK

Posted on June 24, 2014 at 13:09Hi allI am looking at programming the digital filter in the input stage of a TIM2 capture/compare channel.The filter is configured using the 'IC1F' bits in 'TIMx_CCMR1'The different bit configurations make reference t...

jamie by Associate II
  • 632 Views
  • 2 replies
  • 0 kudos

STM32f4 internal pull down, external pull up

Posted on June 25, 2014 at 11:55Hi,I'm using an STM32F4 and have configured IOs as pwm outputs with internal pull down. These pins have been connected to an input of another chip which has a 5V pull up on its inputs. After some time the processor br...

thommagn by Associate II
  • 819 Views
  • 1 replies
  • 0 kudos