STM32 MCUs Products

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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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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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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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Crystal suitable for STM32L4R9AI

Hello I will use these crystals for STM32L4R9AII6HSE Crystal 16MHz ±10ppm 8pF 60 Ohms (with external capacitors of 6pf (assuming stray capacitance of 5pf) and ext resistor of 1.6KOhm)https://www.digikey.com/product-detail/en/jauch-quartz/Q-160-JXS22...