STM32 MCUs Products

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Resolved! Write & Read to SDRAM with STM32H743

Hello, I want to write and read from an external SDRAM using an STM32H743. I never did this project before and I did not find any example of project to help me.Please can you point me to good example of project "SDRAM/FileSystem" ?Thank you.

PyKe by Associate III
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STM32 Functional Block Programming

Hi,Is there any functional block diagram programming for STM32 microcontrollers? The logical operation, input management, arithmetic operations, decision controls, etc.Regards,Umit

umtkyck by Associate II
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  • 2 replies
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STM32L4 only does debug session only every other time.

I have a problem when debugging STM32L4 form CubeIDE with STLINKV2, the debugger only starts every other time. First start of debug session is ok, program halts at "main()". When debug session is closed and started again, the download is successful, ...

0693W00000BataeQAB.png 0693W00000BataoQAB.png

How does watermark for FDCAN work? - STM32H7

Thats a question that has bothered me for a while. When receiving FDCAN messages, I can specify a watermark on how many bytes the interrupt triggers.How exactly does it work?If I have a message of 8 bytes and I set the watermark to 1 byte, does the i...

Yoschii97 by Associate III
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Timer synchronization offset STM32G431RB

I am trying to configure two timers (TIM3 & TIM4) to start at the same time, following the procedure in RM0440 pg. 1304. However, when I scope the output pins of my timers, there is a ~25us delay between the edges of the pulses. Is there any way to e...

IBeck.1 by Associate
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  • 3 replies
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Changing EXTINT Trigger Type after Init

Hi All,I'm using the following code to set up 4 external triggers and this all works well. What I'd like to do is to be able to change the trigger type of any of the EXTINT at some point in the program. I've tried a couple of things which only resu...

PSpei by Associate II
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  • 3 replies
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Advice on STM32F103 GPIO port sharing

First, the "atomic" port ODR issue when more than one function or task may use the same GPIO port. Is the best thing to do ALWAYS to use BRR and/or BSRR to change the ODR values? From what I've read we need to be wary of an interrupt or other task ch...