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

MAX3232 Stops Translating When STM32L0 Running

I'm trying to interface a L0538 Discovery board to a simple TTL-to-RS232 converter board that uses a MAX3232 IC (off-the-shelf from Amazon). I have VCC, GND and TX/RX from the Discovery board (UART1) wired to the converter board. I used Cube to set u...

nobbyv77 by Associate II
  • 653 Views
  • 0 replies
  • 0 kudos

Resolved! Counting pulse + direction encoder

Hello,I'm trying to read the pulse counter with a timer on STM32H747. The counter produces pulses up to 100KHz on one timer channel and high \ low signal to define the direction.I tried two approaches.Reference manual says, as I understand, that such...

APoto.2 by Associate
  • 2776 Views
  • 2 replies
  • 0 kudos

SPI unaccountable lock. Amazing behaviour. Test software included, STM32F401 Blackpill, no additional hardware required.

My SPI gets stuck (waiting for RX register not empy flag, <SPI1->SR & 1> that never arrives). The operation is written with registers, not HAL.BUT! it only gets stuck after a fixed number of successful repeated operations, all the same, inside a loo...

Syntax by Associate II
  • 1756 Views
  • 7 replies
  • 0 kudos

stm32 interrupt timer1

I want to make 3 pwm with the timer1 on an stm32f103c8t6 and when the timer reaches its reset value an interrupt should be generated. I tried a lot but nothing worked. Can someone please tell me how I do this?

ANolz.1 by Associate
  • 1701 Views
  • 3 replies
  • 0 kudos

Resolved! Availability/roadmap of STM32H7A3VG

HiSTM32H7A3VG is one of the few stm32's who fit my requirements. This is however sold out on most platforms. Can some one comment on that? Is this chip still in production at all?

MK..1 by Associate III
  • 1210 Views
  • 7 replies
  • 0 kudos

SDIO Clock Configuration on STM32F429I-DISC1

Hi!To give some background, I am trying to interface SDIO over the STM32F429I-DISC1 board by configuring the pinouts to enable SDIO 4-bit Wide Bus and then connecting it to a SDIO breakout board.In the reference manual I checked the clock configurati...

0693W00000YAm92QAD.png 0693W00000YAm3dQAD.png
MAcha.1 by Associate
  • 1415 Views
  • 0 replies
  • 1 kudos

STM32H7 DAC External Trigger on Falling Edge

Hi,I would like the apply the DAC values of my STM32H723 together with an external event (external trigger). This event is a falling edge. Is this possible at all? The problem is: No matter how I configure the EXTI line (falling or rising), the DAC v...

FFunk.2 by Associate II
  • 903 Views
  • 2 replies
  • 0 kudos