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STM32H5 bus fault writing DBGMCU_APB1FZR1_DBG_IWDG_STOP

Today, I suddenly experienced a bus fault on my stm32h563 which I traced down toDBGMCU->APB1FZR1 |= DBGMCU_APB1FZR1_DBG_IWDG_STOP;which I use to configure the watchdog to stop when the core has been halted by the debugger. fault status registers:SCB-...

PieterG by Associate III
  • 306 Views
  • 2 replies
  • 0 kudos

Resolved! Virtual Port over Bluetooth

Hello,I have successfully setup a virtual port and communicate from WebUSB/WebSerial and plain serial ports with my STM32F373.  I'm now looking to implement Bluetooth to eliminate the need for a USB cable.  What is the simplest way to add a bluetooth...

LMorr.3 by Senior II
  • 451 Views
  • 4 replies
  • 3 kudos

PWM generation at very low Duty-cycle

Hello ,  I am using the STM32G0C1RET6 MCU and want to generate the frequency in between 20Khz to 200Khz, with dutycyle in between 1 to 100%, but frequency below 10 percent is not generating, as my CCR value gets 0, due to low ARR value. Am I going in...

Rohit007 by Associate III
  • 361 Views
  • 5 replies
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Resolved! STM32H5x and SPI DMA Transfer issue

Hi,I'm trying to use SPI Tx DMA transfer on a Nucleo STM32H563ZI board connected to a LCD module that works on 3wire spi, so just 1Tx line. I know the SPI configuration and code for the LCD driver is OK because everything works if I run in interrupt ...

margce by Associate III
  • 1319 Views
  • 2 replies
  • 0 kudos

Maximum time required to read the internal temperature

 Hi,I am able to read the mcu temperature but I want to know the maximum worst-case time required to read the internal temperature of stm32h743.The clock for the ADC is configured as 76 MHZ. Does that mean that 1 ADC cycle is 0.013 uS (1/76M) ?#defin...

Jack5_0-1730203253787.png Jack5_1-1730204564967.png Jack5_2-1730206531761.png
Jack5 by Associate II
  • 943 Views
  • 11 replies
  • 1 kudos

Resolved! STM32H7 PC2_C and PC3_C GPIO not working

Originally a reply in this thread: https://community.st.com/t5/stm32cubemx-mcus/bug-cubemx-should-warn-h7-users-against-pc2-c-pc3-c-pitfalls/td-p/708817 Hi,What's wrong with PC2_C and PC3_C???  I am using them as normal GPO on my board, but it's not ...

Peter3718 by Associate III
  • 951 Views
  • 11 replies
  • 2 kudos

Resolved! STM32L151RCT6 bsd

Hello,I need the BSD-File for STM32L151RCT6 for Boundary Scan. Does anyone know, where I can get it? In the recources section I can only find an older .zip file with bsd files for other processors.Thanks.

FreeRTOS on STM32U5G9ZJT6QU

Hi. I am working on creating parallel threads on my STM32U5G9J-DK2 board using freeRTOS. Are there any freeRTOS example projects for this devkit I can reference? I could not find any while creating a project in the STM32 Cube IDE.Thanks, Michael