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DMAMUX transition latency

fullcustomasic
Associate II

Hello,

I am using DMAMUX(dm) chaining, that means there are n dm channels and the previous is generating an event for the next dm channel as a sync input. I noticed that there is a latency in the transition of one dm channel to the next one. For example if dm channel 0 is done(event is generated to dm channel 1), dm channel 1 starts with a latency of around 200ns.

 

The latency is independent of:

- nbreq

- dma trigger source frequency

 

Did sombody else notice that aswell?

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