Quote Originally Posted by skimask View Post
Does that give you a clue as to the answer?


You're going to divide RF using an 'external prescaler'?
Good luck with that...
See the below image

http://hem.passagen.se/communication/pic/fct_sch.gif

this is a project i found that does what i wanted, but it does not explain the programming side of capturing the frequency, which i want to understand.

I only want to learn lol