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Altera_Forum's avatar
Altera_Forum
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19 years ago

50Mhz to 60Mhz

Dear everyone! I desig a nios2 system with EPC2C5Q208C8 ,DM9000A, running uClinux, when I test at 50Mhz, everything is OK, but when I chanhe it to 60 Mhz, the ethernet can'...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

youe LE usage is quite high. It is difficult to achive high speed.

try reduce your logic, remove features which are not critical.

I would try to use software to replace hardware for tasks that are not timing critical.

To DSE,

quartus->tools->launch Design Space Explore

and check "Project use Quartus II integragted synthesis"

For DM9000A, can the chip be detected and configed ?