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

when do i need purchase it?

i know if use a fir ip core, you must purchase it . but if i use a pwm core, whether i don't need to pay money(at lease now there is no any requirement for me to do this) , so i want to check a thi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

There are free IP core, there are trial IP cores, and there are not free IP cores. You should read the these details about the IP core in question before you download it.