Hello. I am newbie. I'm trying connect the input to clock. How Can I do 
that?

Mikas P. wrote:
> How Can I do that?
Select any of the various clock inputs (to be found on the pinout sheet 
of your particular device) as an input for that clock. From there the 
clock signal can be routed to the internal clock distribution network.


> I'm trying connect the input to clock.
What input to what clock on what device for what purpose?