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ADSP-21489 AMI DMA vs Core access

Question asked by snoopy on Sep 28, 2017
Latest reply on Oct 9, 2017 by Jithul_Janardhanan

Hello

 

I am currently using core access to access an external device on the AMI bus and it is working quite well. However there is a lot of dead time that is wasted waiting for the core access to finish which could be used for running other tasks so my logic is to change from core AMI access to DMA and whilst waiting for the DMA to finish I can be running other tasks that do not access the AMI. (except for SDRAM)

 

Is it possible to access the AMI using the DMA interface ? Do you have any examples of how to do this ? 

 

Thanks in advance

David

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