STM32 MCUs Products

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Resolved! STM32N6: Expected DMA/SPI Performance

Hi,I am working on an application for the STM32N6 (using zephyr) that streams data from four SPI interfaces (SPI1, SPI2, SPI3 and SPI6) via Ethernet (UDP). I am using full-duplex SPI transfers and GPDMA1.Everything works fine up to SPI clock frequenc...

Jeija by Associate
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  • 1 replies
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STM32N6 is only flashable after POR

Hi,We have a weired problem with a custom N657 design.When using the Nucleo board, its possible to flash the program on the external flash, as long as BOOT1=1.The programmer resets the board and it flashes the firmware normally every time.On our boar...

SAI: SPDIF output in all MCUs ?

Heyho,do all SAIs in all MCUs offer the SPDIF output feature?CubeMx and online MCU selectors do not show this info, no time to check 20 more datasheets.For the few STM32 I know and worked or played with (G4, F7, H7) the answer is yes.Merci!

LCE by Principal II
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  • 7 replies
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Resolved! DCMIPP Capture Buffer Not Receiving

Hello,I’m currently testing the CSI–DCMIPP interface on the Nucleo-N6 board. I’m following various examples, but the variable used in DCMIPP_Start (lcd_bg_buffer) is not receiving any data. Is there something I might have configured incorrectly?At th...

silpiode by Associate II
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  • 2 replies
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Resolved! STM32G051c8t6 PA5 Not working as GPO

I turned off all the other configuration aka Alternate Functions..only enabled GPIO PA5 as output Pushpull mode, low freq.its doesnt turn on or off individually..tried to turn on and off using HAL as well as direct registers..both work only when PA4 ...

Screenshot 2025-11-21 103226.png

RTC Oscillator not stable

Hello,In one of our new PCBs we use a STM32L476VET6. For the RTC we use an external Oscillator (shown in the Picture)The drive power is set to the highest level.In our setup, the RTC only works at room temperature and with no probe connected. As soon...

FabianHladik_0-1731585469263.png FabianHladik_1-1731586045292.png