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

Crystal stops oscillating when debugging

Posted on May 09, 2014 at 03:22Hi, I have a board with an STM32F429 and an 8 MHz crystal on the HSE pins. I'm using Atollic TrueSTUDIO to upload and debug code. I can upload code without a problem, but as soon as the the debugger starts, the crystal...

STM32F4 (F4 discovery board) interrupt Issue

Posted on May 19, 2014 at 15:14Hi everybody, I have an unstable behavior on an ADC interrupt.My user code is very simple, I initialize my different peripherals (timer, ADC, GPIO) then I just a have an infinite  loop.My Callback for my ADC interrupt ...

Multiple pins with same function?

Posted on May 21, 2014 at 03:52Browsing through the STM32 F405 datasheet, I'm noticing serial ports with functions listed multiple times even on the same chip. At first I assumed (for example, USART1 TX) would be listed multiple times, but on any gi...

skeezix by Associate II
  • 615 Views
  • 1 replies
  • 0 kudos

STM32F303CC not working

Posted on May 18, 2014 at 22:43Hi,I used the stm32f3 discovery board to test some code and it works fine but when I run the same code on a custom breakout I made around the stm32f303cc it runs for a while and then stops.The time it takes for the boa...

cbhar by Associate II
  • 2024 Views
  • 12 replies
  • 0 kudos

STM32F427 SRAM

Posted on May 20, 2014 at 23:54Hi, I'm trying to use the 4K SRAM from STM32F427 with FreeRTOS 7.4.2. The VBat pin is correctly powered to a battery... The RTC works great. I can access to SRAM memory and use it. At each reboot I can grab the data st...

gui2 by Associate II
  • 484 Views
  • 1 replies
  • 0 kudos

STM32 - discovery : ADC reference Voltage ?

Posted on May 20, 2014 at 16:46Hello,I am trying to get the reference voltage value with ADC (Channel 18).On the VCT6 datasheet, it is said that reference calibration values (for VREF) are stored in memory at the address 0x1FFFF7BA. (Value for VREF ...

thomas23 by Associate II
  • 628 Views
  • 2 replies
  • 0 kudos

STM32CubeMX Stm32F4discovery configuration

Posted on May 18, 2014 at 11:28Hello,when generating a project with STM32CubeMX for a STM32F4discovery board, the PD12 to PD15 pins are configured output (for the LEDs) automatically. But the project is not entirely configured. I had to manually set...

atsju2 by Associate II
  • 434 Views
  • 1 replies
  • 0 kudos