STM32 MCUs Products

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Forum Posts

UART interrupt reception issue in STM32G4

Hi,I am working with STM32G4.I am communicating with STM32G4 with other controller through  UART interrupt communication. The data is transmitting and receiving between stm32g4 and other mcu. Some times I am not receiving the data properly from other...

Resolved! Fake STM32?

I had a board assembled through JLCPCB, which included mounting an STM32L071. When the PCB arrived, I loaded a program with a blinking LED in an infinite loop. Unfortunately, the program didn't behave as expected, and during debugging, I encountered ...

JR2963_0-1707242466076.png
JR2963 by Senior II
  • 1737 Views
  • 4 replies
  • 3 kudos

Issue with Hardware Semaphor

Dear ST support team, I am using STM32-H755 for my motor control application. I am using Hardware Semaphore for synchronization between two cores. What I did, I developed the notification release in M4  in a timer interrupt routine as below: void TIM...

Usage of Comparators with PWM Generation

I am trying to design a digital SMPS with an STM32G0.ST has lots of literature stating that the comparators can be used to control the duty cycle of the PWM from a timer.I understand the use of a comparator to detect a fault and output to the BKIN in...

AdinAck by Associate
  • 965 Views
  • 0 replies
  • 0 kudos

Resolved! STM32G431C6 fails to power up sometimes.

I designed a board that uses the STM32G431C6 and is intended to connect in a chain with other similar boards, but I am having problems when powering them up. They turn on and work fine sometimes, but sometimes boards won't turn on. Each board I desig...

IvanOrot by Associate III
  • 1652 Views
  • 5 replies
  • 3 kudos

9 bit SPI for TFT

Hi, I have a TFT screen that is using 3-wire 9-bit SPI (DC bit as 9th bit) has anyone got and experience or examples of this with HAL? I think I have it explained below, the problem is when I test on the oscilloscope the SPI data is reversed as MSB i...

PLee.3 by Associate III
  • 2647 Views
  • 7 replies
  • 4 kudos