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Altera_Forum
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12 years ago

Two Avalon ST Interfaces comparison

Hello all, First, I'm sorry if this is not the right forum to post such question ! Second, I desperately need your help ! I'm trying to compare two avalon streaming interfaces (one outp...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

For 1, you need to have both Avalon sinks in the same clock domain if you want to compare the signals. You can do this in SOPC Builder/QSys by using a dual clock fifo instead of a single clock fifo.

For 2, yes you are right that it makes things more complicated. You must have the same frame rate if you want to compare the two streams, so you will have to drop some frames on the fastest stream.