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How long does a S32K144 DMA transfer take?

Question asked by Tom Christiansen on Nov 5, 2019
Latest reply on Nov 8, 2019 by Daniel Martynek

Hello,

 

I am using the DMA to transfer the results of the ADC into RAM.  I have configured this using the PDB to sample each of the channels and then trigger the DMA transfer.  The PDB then overflows and it starts over again (this ensures that I have a consistent sample frequency).  To ensure that the DMA transfer has completed before the PDB overflows, I want to calculate how long the DMA transfer will take.  I wasn't able to find any information on how to calculate the DMA transfer and was hoping somebody can point me to it.  

 

Thank you,

Tom##

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