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

USB CDC (Virtual COM) and DFU (Device Firmware Upgrade)

Posted on October 07, 2011 at 01:22Hi, i m using stm32 cortext m3. Is it normal to have CDC (virtual com port) combine with FDU to become a composite USB device? Is there any example on this? Thanks.This is so that a PC application can perform not o...

etan by • Associate II
  • 3565 Views
  • 7 replies
  • 0 kudos

device option bit IWDG

Posted on October 28, 2011 at 20:42I know how to set the IWDG hardware bit using the ST dongle. The production people are going to kill me if I ask them to use an additional dongle. (they use the Keil dongle) Is there another way to enable the hardw...

emalund by • Associate III
  • 368 Views
  • 0 replies
  • 0 kudos

STM32-MP3NL/COD - MP3 decoding

Posted on October 28, 2011 at 16:21Hi Does anybody know the status of the proposed MP3 licence per device?http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATA_BRIEF/DM00024441.pdf Cheers, Martin.

STM32F207 and internal USB phy

Posted on September 06, 2011 at 17:17Hi, I am working on a STM32F207 micro controller on a personal Borad.I use 2 USB - A usb OTG on internal phy of pin PA9, PA10, PA12 andPA13 with a mini AB connector   This is the same use onthe eval board - A usb...

axel by • Associate II
  • 1134 Views
  • 4 replies
  • 0 kudos

STM32 I2C slave

Posted on October 27, 2011 at 10:18Hi, I configured STM32 I2C as slave. I have a master which read data of a valid STM32 I2C register address and then data of an STM32 I2C not valid register address, which is the data expected on the SDA line? After...

brazov22 by • Associate II
  • 718 Views
  • 1 replies
  • 0 kudos

I2C read bytes problem

Posted on October 21, 2011 at 01:39Hello, my name is Dominik. Im using STM32F103 for a long time, but 2 weeks ago i have to play with i2c for the first time.Of course I have done my ''homework'' and read about it, use Reference manual, errata, examp...

csdominik by • Associate III
  • 1191 Views
  • 5 replies
  • 0 kudos

I2C Bus clear

Posted on October 25, 2011 at 11:29Hi,I'm working on a project using the I2C interface from the STM32. If the SDA line gets stuck LOW because of a lost clock pulse, the normal procedure to recover would be to send 9 clock pulses (see the NXP I2C-bus...

Top