STM32 MCUs Products

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Resolved! RM0444 Rev.3 still downloaded as Rev2

https://www.st.com/en/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus.html#resource tells that REV 3 is available. However the version that I can download is still Rev.2

STM32H7 SPI communication issue: RxFIFO management

I've been struggling for quite a while now on my SPI setup.The setup is as follows:- SPI Slave is a Nucleo STM32H743 in simplex mode, clocks at maximum (sysclk 400MHz, hclck 200Mhz, APB clock 100MHz)- SPI master is another identical Nucleo in simplex...

Gpeti by Senior II
  • 3004 Views
  • 12 replies
  • 1 kudos

Reading I2C bits with STM32F4Discovery

Hello. I have the following scheme for reading the output of humidity sensor that communicates via I2C:How would I execute this sequence with STM32CubeMX IDE and HAL libraries? The output of the sensor is as follows: All I have now is this code: uint...

0693W000001q9ZIQAY.png 0693W000001q9ZSQAY.png
BKem.1 by Associate II
  • 915 Views
  • 5 replies
  • 0 kudos

Resolved! How to handle HardFault?

There is a function called HardFault_Handler in the STM32 MCUs (full code below). This function I usually work with when debugging but am unsure how to use this for handling error. What is the correct protocol to handle errors in this function? If a ...

AAgar.2 by Associate III
  • 4485 Views
  • 3 replies
  • 1 kudos

Resolved! STM32H7 reading QUADSPI->DR freezes the MCU after QUADSPI->CCR = QUADSPI_CCR_FMODE_0 | QUADSPI_CCR_IMODE_0;

Executing this code sequence on a STM32H743ZI or STM32H743IIRCC->AHB3ENR |= RCC_AHB3ENR_QSPIEN; QUADSPI->CR = QUADSPI_CR_EN; QUADSPI->CCR = QUADSPI_CCR_FMODE_0 | QUADSPI_CCR_IMODE_0; QUADSPI->DR;i.e. indirect read with only an instruction phase, t...

0693W000001pq7oQAA.png
berendi by Principal
  • 2575 Views
  • 14 replies
  • 1 kudos