Forum Discussion

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

How to input a ext. clock in Stratix IV device?

I need to input a video data and a clock from external.This clock will be used as a global clock. but there isn't dedicated clock input IO between FPGA and daughter card. Can I just use common data i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

That's not a very good design...

But yes, you can try to use a general I/O pin for clock, but it will make it harder to meet timing requirements.