Forum Discussion

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

Better to use a PLL or a counter (HW question)

Hi , I'm wondering if it is better to use a PLL or a counter to devide a clk for lower freq? Regards,
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

There is nothing wrong in using a counter to divide a clock, as long as there are no transfers between both clocks. Furthermore, it is much easier to gate and to change the frequency at runtime.