Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Timing requirement not met after increasing NIOS frequency

Hello, We are designing a system that is successfully generated in SOPC builder and compiled in Quartus II. The system clock is 75 MHz and we need to speed up the NIOS II processing powe...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

If you have negative setup slack, open the top failing paths list in timequest and try to figure out the origin and the destination of the path. Then look if you can add another pipeline bridge on that path.

If you have negative hold slack, open the fitter settings and check that you have the optimize corner timing option enabled on all paths.