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STM32F469 Quad SPI registers inaccessible.

I am attempting to configure the quad spi peripheral on an stm32f469 microcontroller.The address space for the QSPI starts at 0xa0001000.However, the address space from 0xa0001000 to 0xbfffffff is inaccessible. Attempting to read or write to these r...

AT38 by Associate III
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  • 2 replies
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SPI comunication in STM32H743ZI (continuous clock on SPI ).

Hi all,I am using SPI protocol on STM32H7 for interfacing with external ADC . STM32H7 is acting as master and ADC as slave . SPI clock i am using is at 40 Mhz. spi clock is getting disabled after 25-30 clock cycles. i want continuous clock for this ...

kgang by Associate II
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  • 6 replies
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dma with spi callback not reached

I am trying to make a project to use spi with dma to transmit and receiveeverything seems fine in "HAL_SPI_TransmitReceive_DMA" and HAL_OK returns but the code in "HAL_SPI_TxRxCpltCallback" is not reached

YHany.2 by Associate
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  • 1 replies
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Resolved! Run DMA while ICache and DCache are enables

Hello,I read the input data over SPI DMA, but when I added the AI part ICache and DCache are enabled.The problem is that when ICache and DCache are enabled, the SPI DMA is not working.How can I overcome this problem?

HAlzo by Senior
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  • 2 replies
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