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Altera_Forum's avatar
Altera_Forum
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15 years ago

Memory block type = "Auto" in RAM MegaWizard

When using "auto", is the memory block type fixed by the MegaWizard, or can it change later depending on the available resources?
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Auto let's Quartus decide when fitting. So it can do a better job based on available resources(including if the hierarchy is in a LogicLock region, which limits resources). That being said, if the memory blocks are really full, I sometimes find it useful to force ones I know I want a certain way. I had one design where it kept switching what went into M9Ks and what went into M144Ks, which made things "hop around".