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Altera_Forum
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12 years ago

Why it wants mofr M9K blocks

Cyclone 3 - device has 66 M9K blocks. I set up 16384x36 memory chunk. It is 589824 bits, with device having 608256 bits. However quartus says it is too much, and says device needs to have 72 blo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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Okay guys, I created new RAM instance, 1-port, and it still says I can not fit 16384x36 memory into the cyclone 3 chip (Q240), and it needs 72 M9K blocks instead of expected 64.

There should be something wrong.

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Do you have option of maximum block depth. setting this option can change the memory requirements. Try it in megawizard and read the resource in M9k directly on the wizard.