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

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
  • 632 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
  • 620 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
  • 563 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
  • 746 Views
  • 1 replies
  • 0 kudos

USB device and CDC class

Posted on June 17, 2014 at 11:31Hi all,I'am using USB device CDC class to communicate datas with a host. But I've a strange problem. (I'am using the STM32F429i Disco platform)The STM32 code create a memory area with 00 01 02 03 04 ... datas and then...

vincent2 by Associate II
  • 608 Views
  • 1 replies
  • 0 kudos

Digital Value to DAC

Posted on June 24, 2014 at 21:06Hello,       I am using the STM32F4 discovery board. I have a project in which I have a timer which generate an interrupts @ 100Khz. In the ISR it stores a new value to a variable.        Now how can I use the DMA to ...

STM32CubeMX wrong pin label

Posted on June 25, 2014 at 15:47Hi,Using STM32F405RGTx, pin 64 is labelled PDR_ON while datasheet contains VDD.Which one is the correct one ?Thanks.

STM32F334: the new STM32 Digital-Power Microcontroller

Posted on June 25, 2014 at 17:29ST’s new microcontroller http://www.st.com/web/en/catalog/mmc/SC1169/SS1576/LN1820 simplifies transition to energy-efficient digital power supplies by providing all the major power-control functions in a single chip. ...

STM32F401 reference manual

Posted on June 25, 2014 at 15:07I'm sure that this is a really silly question, but is there actually a reference manual for the STM32F401 chips? I can't see one on the design resources page. The STM32F401 Discovery documentation refers to ''RM0344''...

evan2 by Associate II
  • 820 Views
  • 2 replies
  • 0 kudos