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Altera_Forum
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15 years ago

Problems with ALTASMI_PARALLEL megafunction

Hi, I'm trying to use ALTASMI_PARALLEL in a Cyclone design with an EPCS1. The problem is that all the code which drives this megafunction, and the megafunction itself, gets optimised away duri...
Altera_Forum's avatar
Altera_Forum
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10 years ago

Thanks Rhydian,

The attribute preserve led me to another attribute that seemed to be more suitable, prune.

But I could not get it to work, I ended up connecting one of the address lines to an unused pin.

I still think it's strange that Quartus does not know that altasmi_parallel is connected to some pins internally and should not be optimized away. So if someone have a good answer in the future I would really appreciate if you could put a note in here to let us know.

/ Joakim