STM32 MCUs Products

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Forum Posts

STM32H7 PVD not interrupting

Hi,I want to get the PVD on a STM32H743 running in order to write some data to the flash, which did not work for whatever reason. So, as a first step, I tried to implement an interrupt which just pulls a GPIO-pin high and check it with an oscilloscop...

MaxMax by Associate II
  • 2035 Views
  • 9 replies
  • 0 kudos

Resolved! RTC is not working properly. (Vbat related problem)

We are making a board using stm32f767nih6. There seems to be a problem with RTC and Vbat while testing the board.First, we are using LSE with a 32.768Khz external crystal oscillator. However, there is a symptom that it slows down by about 10 seconds ...

Seyoung_0-1730892683758.png
Seyoung by Associate
  • 918 Views
  • 6 replies
  • 2 kudos

Switch JTAG to SWD port on STM32L4

Hi,I'm working on an STM32L4R5ZIT6 mcu and I'm facing with the problem of switching the JTAG port to SWD without the use of a debugger (ST-Link or similar); reading the "Arm Debug Interface" document I found the way to make the switch and in fact, us...

DUrbano by Associate III
  • 542 Views
  • 2 replies
  • 1 kudos

Resolved! J1939 support in STM32G491KCU6

Hi Expert, We are planning to use J1939 protocol for vehicle communication. We would like to clear few queries regarding this. Is J1939 CAN stack openly available? If no, do we need to purchase it? Is sample application available for communication us...

ssuresh by Associate II
  • 580 Views
  • 1 replies
  • 1 kudos

STM32H7S3L8 PSSI with DMA

Hello everyone, I am trying to use the PSSI peripheral with DMA on my nucleo-H7S3L8, I am new to this GPDMA so at first i tried using the standard request mode and i got it working but it only receives once and stops do i need to manually enable it a...

ESD and MCU freezing

Hi everyone,we're using the STM34F407ZG microcontroller in our BMS board.We have some issue during contact 8kV ESD applied in some screws above the boards. The ESD are applyed on all the screws but the problematic one are just 3 screws, the closest s...

Lucast by Associate II
  • 1913 Views
  • 6 replies
  • 4 kudos

Resolved! MCU Errata vs HAL, LL

Hi there,this is an general question.Every serious engineer walks thru errata document as it gets published.So do I now.Do I have to review every HAL / LL function which may coincide with erratic behaviour?Is proposed in errata workaround already imp...

DrDro by Associate III
  • 429 Views
  • 1 replies
  • 3 kudos