STM32 MCUs products

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CMSIS DSP CFFT incorrect frequency analysis

hi, I'm trying to do the FFT using the CMSIS DSP V1.15.0 libraries but I get a graph with random frequencies...I have a CM4 microcontroller(without FPU) I implement the below code and get random frequencies.I test the same code on a CM7 microcontroll...

Mavi by Associate II
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STM32 ADC DMA low raw/Voltage readings

Hello,I am experiencing the following problem. When I setup an ADC with DMA for 5 channels, occasionally I get lower readings than the expected ones. It also happens in some of our hardware of our production, but others perform ok. We have inspected ...

KoSt_0-1711711015173.png KoSt_1-1711711038152.png KoSt_2-1711711052740.png KoSt_3-1711711167318.png
KoSt by Visitor
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  • 1 replies
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Resolved! WWDG early wake interrupt to prevent reset

Hi,I have a question regarding the possibilities and best practises of the early wake interrupt generated by the window watchdog.Is it possible to use the EWI to refresh the watchdog? And if so, is it actually a good idea and reliable?To describe the...

StefanR by Associate II
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  • 3 replies
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About H503 I3C

I have 2 NUCLEO-H503RB board.example 1->>>>Board 1, I3C1 is contorller.Board 2, I3C1 is target , I3C2 is target.Controller boardcast ENTDAA message , target1 can receive , but target2 can not receive. example 2->>>>Board 1 , I3C1 is controller , I3C2...

Sunwaz by Associate III
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  • 1 replies
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Flash STM using 1 USB - STM32H755

Hi there, I am working on a project using the STM32H755 zi that has 1 USBC port, can we use the same port for uploading the code, UART Communication and powering the device instead of using ST-LINK? Or is there any way to use ST-LINK for communicatio...

FDCAN Bootloader for STM32G0B

I did not find any solution of Bootloader for CAN2.0A or CAN2.0B with SMT32. Currently i am using below part no. MCU-'STM32G0B1CCT6' CAN IC-'ISO1044BD'

Pooja321 by Associate II
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Where is ETH_PHY_INTN

In the reference Manual of STMH730, on Table 543, page 2825, there's a Port "ETH_PHY_INTN" listed. Where ist that port? Or where can I configure the GPIO to use for it? I cannot find anything in the datasheet.

STM32 RTC3 Mixed Mode: Writing TR resets SSR?

RTC3 of some newer STM32s introduce a RTC mixed mode, where both binary part (32-bit down-counting sub-seconds register SSR) and classic BCD calender (TR/DT) mode are operational.In my case I am using this for classic style BCD alarms together with b...