STM32 MCUs Embedded software

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Resolved! 3 SPI busses does not parallelize data access

STM32H743We have 4 SPI busses running at 12.5MHz but the SPI clocks are sequentially. SPI 1 and 2 are using DMA Channel 1 while SPI 3 and 4 are using DMA Channel 2. We would like them to run in parallel.Can they run in parallel.The code uses HAL_SPI_...

rlegault_0-1705436036380.png
rlegault by Associate II
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Resolved! Booting with dual flash banks vs. bank swap

Dear experts,I'm reading RMs for STM32 models with dual flash banks (F4, H7...) and don't quite understand how to use bank switching.Take the firmware update scenario when old firmware is in bank1 and new is programmed to bank2. So it programs some o...

Pavel A. by Evangelist III
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Waking from STOP mode U575

I am trying to get the STM32U575 to wake from STOP3 mode using the NUCLEO-U575ZI-Q dev board. I followed the example to enable the wakeup pin, clear any pending wakeup flag, and then go to sleep. I have this configured to pin PC13 which is the user p...

bpat by Associate II
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STM32F3x Zephyr Project, DMA configuration

Hi,I am trying to use the async transfers with usarts, but it fails to enable the UART (using uart_rx_enable), due to no DMA configured for the usart.I have not been able to modify the device tree for DMA, but so far unsuccessful.On the dma2 node, I ...

sbend by Associate II
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  • 1 replies
  • 1 kudos