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Altera_Forum's avatar
Altera_Forum
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14 years ago

waitrequest stuck high on simple avalon master

I have recently switched from sopc builder to qsys and am having problems with some of my own components that include avalon masters. I'm using a very simple avalon master (not pipelined). Wha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

OK, it's been a long day.

Just after posting I was going back through the Avalon spec and ran into this:

--- Quote Start ---

A master must make no assumption about the assertion state of waitrequest when the master is idle.

--- Quote End ---

That's my problem of course, I had misremembered how the waitrequest signal worked and was expecting it to be inactive when my master wasn't busy.

Nothing to see here folkes, move along! :oops: