This would create something like this:

       ____
______| |________

It would create one pulse with period 2*T_pw.

On Wed, Dec 10, 2008 at 3:16 PM, Hyerim Shin <
hyerimshin2007@u.northwestern.edu> wrote:

> Could you help me how to interpret this code?
>
>
> clock_gen: process (clk) is
>
> begin
>
> if clk = '0' then
>
> clk <= '1' after T_pw, '0' after 2*T_pw;
>
> endif;
>
> end process clock_gen;
>
>

-- 
Mykell Miller