STM32 MCUs Products

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Resolved! How to disable XSPI SCK Clock preamble?

Good day Folks,I am hoping you are able to shed some light on this odd XSPI clock behaviour.  I have connected XSPI2 to a W25Q64 Flash in QSPI mode.There are 'preamble' clocks present prior to the NCS being asserted. I've noticed that the number of p...

exarian_0-1739629846858.png exarian_1-1739630051967.png exarian_2-1739630122997.png exarian_3-1739630235507.png
exarian by Associate III
  • 405 Views
  • 2 replies
  • 1 kudos

Resolved! STM32H745 Bootloader and RAM on STM32H745XI-DISCO

I want to create and application on a STM32H745XI-DISCO. I am not using M7 core only M4.Reference manual says that upto 864kB of SRAM  and 2MB of flash are available.I will receive the application sw via Can. My bootloader will save it RAM and after ...

ADC Multichannel - DMA on STM32U545

Good afternoon,  I have some questions for reading multiple channels of the ADC in continuous mode and map the results in the DMA. I have been able to monitor the voltage coming from a potentiometer and map it into the DMA and i can see the values in...

Marc3 by Associate III
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  • 4 replies
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Resolved! ADC - DMA - TIM

Hello everyone  New STM32 user here, more specifically STM32 U545 RE-Q. I am kind of new and i would like to start acquiring some data with the STM32 ADC, triggered by a timer, and send the data to the DMA so that i can use the CPU for other stuff. D...

Marc3 by Associate III
  • 310 Views
  • 1 replies
  • 0 kudos

Resolved! I2C Slave device implementation ACK/NACK problem

As mentioned in the topic subject, I would like to implement I2C Slave device which will simulate the BQ769x2 device. For development I'm using STM32F4 Discovery board, but the final product will be deployed on STM32L0.Master device is first trying t...

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mr4k by Associate II
  • 560 Views
  • 3 replies
  • 1 kudos

Wrong readout of STM32U575 Temperature Sensor

Hello,Trying to read STMU575 Internal Temperature Sensor, we get wrong readout.We need you advise on what is required to get correct temperature readouts from the STM32U575 temperature sensor.A. We use ADC4 configured as follows:B. The below detailed...

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RLanz.2 by Associate III
  • 460 Views
  • 4 replies
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Communicate between STM32F7 and ESP-01 via UART

Hello,I am reaching out to ask if it would be possible to get some help configuring my esp01.c library.I am currently developing a library that utilizes DMA, interrupts, and a circular buffer to communicate with an ESP-01 module. The module is connec...