how to generate a interesting clock

[Altera_Forum]

hello  

if there is a clock clk1 ,how to generate another clock clk2 which runs at the same frequecy but always keeps strickly 180 degree phase difference from clk1 my altera's version 12.0  device ep1c6 240c7n

[Altera_Forum]

Maybe with a pll?

[Altera_Forum]

You can invert a clock at any place in your design hierarchy, Quartus will know how to treat it.

[Altera_Forum]

use an inverter