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Altera_Forum
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12 years ago

Flex10k - LE optimization?

Hi! Aside from cranking all the settings up, is there any tribal knowledge / best practices about LE optimization for ye olde flex10k? One odd thing I found, as mentioned earlier somewhere, was...
Altera_Forum's avatar
Altera_Forum
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12 years ago

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I take it the compiler doesn't recognize this by default when you create a counter?

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The counter function typically gets detected ok, its the detection of zero that often causes a comparator to be created, rather than inferring the use of the carry-out.

Try it and see, i.e., use the lpm_counter and carry-out, and then code the same using one of Altera's recommended templates. Post what you find :)

Cheers,

Dave