STM32 MCUs Embedded software

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Resolved! Failing including CMSIS into a F334 project

Hi guysI try to iclude the CMSIS files into a project with a STM32F334. I followed this article (https://community.st.com/t5/stm32-mcus/how-to-integrate-cmsis-dsp-libraries-on-a-stm32-project/ta-p/666790 ) but failed.The first difference is, that I d...

White_Fox by Associate III
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  • 4 replies
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Resolved! HAL_UART_TxCpltCallback Issue at Higher Buadrate

Hi all,I am using UART4 in STM32F205 connected to an external device with an RS485-Transceiver (sn65hvd75).When I transmit data (HAL_UART_Transmit_IT) I set the TXEN pin high in RS485-Transceiver and when I get a callback  using HAL_UART_TxCpltCallba...

JThom.15 by Associate III
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  • 9 replies
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STM32U5 FRACN not working

I am trying to use the PLL1 fractional PLL on a Nucleo-U545RE-Q board to fine-tune a frequency measurement.  RM0456 rev 5 has the following procedure to adjust the fractional PLL:"If the application intends to tune the PLLx frequency on-the-fly, then...

Custom PCB, STM32H7 and KSZ8863RLL, RMII

HiI have made a custom PCB based on STM32H723VGT MCU and KSZ8863RLL with interface RMII. I have followed the Hardware Design Guide for the KSZ8863. Including 100 Ohm impedance from RJ45 to PHY and 50 Ohm impedance from PHY to STM32. Length matching i...