Forum Discussion

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

How to constraint my design using TimeQuest?

I am looking for some help to constrain my design. I've never done a timing constraint and my understanding of the subject isn't very deep at all. An overview of my design: it consists of a 72 ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Oh!

So, the MCU runs on a internal RC oscillator and produces the SCK based on that?

My first suggestion would be to run the SPI interface using the SCK and interfacing with sys_clk only when needed.

Which begs the question: what's the purpose of sys_clk?