how to initalize master clock in xilinx spartan 3

[bangash]

hi
how i initalize system clock in xilinx. i mean what should i mention for it.
clock,clk,Clock,Clk......
what???

 

[agent_009]

name it 'clk'

 

[yasser_shoukry]

clk or xtal

 

[bangash]

i want to set master clock to 122.88 mhz. how???

 

[yasser_shoukry]

you can use a DCM to get the required frequency from an external oscillator.