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Altera_Forum
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10 years ago

Connecting different width and clock master to slave in QSYS

Hi Guys, I have an Axi master which is 256 bit running at 125 Mhz and I want to connect this to an AXI slave which is 128-bit running at 250 Mhz. How can I do this in Qsys and ensure that wh...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

I don't think the clock crossing bridge will convert data bus widths. Also, in the latest QSYS I don't see the AXI version of this, only Avalon. I thought there was an AXI version, but perhaps not. QSYS will convert between Avalon and AXI so it shouldn't be a problem to use the Avalon bridge. One suggestion, don't worry about optimization until you have a working interface.