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Forum Posts

2019 STM32 Code example wish list

Here is an attempt to collect wishes for Cube application code examples:What peripheral(s)What the code should demonstrate functionality in details (and how it can be reused/modified)Should the example runs on a reference board? Any specific HW compo...

S.Ma by Principal
  • 911 Views
  • 6 replies
  • 3 kudos

Implementation of Flow Control in STM32F427VI

Hello everyone.I have an issue with the communication between STM32F427VI to Gemalto PLS-W.The uart that is configured as the following:void MX_USART3_UART_Init(void) {   huart3.Instance = USART3; huart3.Init.BaudRate = 230400; huart3.Init.Word...

As.51 by Associate III
  • 568 Views
  • 3 replies
  • 1 kudos

STM32H7 XiP poor performance with QSPI NOR Flash

I've been developing a solution around the STM32H750 that requires external flash to run relatively large firmware images, up to around 2Mb.The NOR Flash part used is the Cypress s25fl064l, in QSPI configuration. It has quad read rates of up to 54Mbp...

RTC alarmA and alarmB wake up

Hi,I am using nucleo-476Rg board.I have configured RTC AlarmA ad AlarmB for different timings, then I go in standby mode.The board wakes up from standby on any of the alarm occurrence.Can I know whether it is due to alarm A or alarm B. when it wakes ...

HMaje.1 by Associate III
  • 639 Views
  • 2 replies
  • 0 kudos

Bad signal when using DAC'S full range and buffer

Hi,I've been trying to synthesize different waveforms with my F446 DAC. Three things have come to my attention here, which I can't explain. First, when I am using the full range of the DAC with values from 0 to 4095 the signal gets distorted like thi...

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FLewz.1 by Associate III
  • 1100 Views
  • 5 replies
  • 0 kudos

Strange temperature dependent "software" bug with QSPI transfer

Hello,I have a strange problem... We have a bunch of equal boards (STM32H743XIH6) from manufacturer and some have temperature dependent problems (3 of 20). The problem seems like a software problem, but many software changes couldn't reproduce this.I...

SF??r by Associate III
  • 593 Views
  • 2 replies
  • 0 kudos