Feb 14, 2003 #1 R RTL2GDSII Member level 1 Joined Apr 20, 2002 Messages 35 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 170 Clock Divider Any info about how to generate a non-integer clock divider. Like Clk_out = Clk_in x (N/M), N and M are integer. Thanks !
Clock Divider Any info about how to generate a non-integer clock divider. Like Clk_out = Clk_in x (N/M), N and M are integer. Thanks !
Feb 14, 2003 #2 P penrico Full Member level 5 Joined Aug 28, 2001 Messages 285 Helped 27 Reputation 54 Reaction score 8 Trophy points 1,298 Location Argentina Activity points 2,393 Use a PLL to multiply your frequency (N), then use a logic divider to divide the multiplied frecuency (M). Fin--> Phase Comp ---> Filter ---> VCO +--> Divider M ----> Fout=FxN/M .................^........................................| ..................|<---------Divider N----------+
Use a PLL to multiply your frequency (N), then use a logic divider to divide the multiplied frecuency (M). Fin--> Phase Comp ---> Filter ---> VCO +--> Divider M ----> Fout=FxN/M .................^........................................| ..................|<---------Divider N----------+
Feb 14, 2003 #3 R RTL2GDSII Member level 1 Joined Apr 20, 2002 Messages 35 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 170 Any digital PLL information ?
Feb 17, 2003 #4 P penrico Full Member level 5 Joined Aug 28, 2001 Messages 285 Helped 27 Reputation 54 Reaction score 8 Trophy points 1,298 Location Argentina Activity points 2,393 What is your base frequency?, so what is your final frequency? If you have a highter clock than base frequency (about 10 times base frequency or more), using a CPLD you can improve a digital PLL to multiply the base frequency.
What is your base frequency?, so what is your final frequency? If you have a highter clock than base frequency (about 10 times base frequency or more), using a CPLD you can improve a digital PLL to multiply the base frequency.
Feb 17, 2003 #5 D DrBELL Member level 2 Joined Apr 30, 2002 Messages 52 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 349 Clock Divider Hi, See if this article is of use to you. It talks about Unsual Clock Division Requirements DrBELL
Clock Divider Hi, See if this article is of use to you. It talks about Unsual Clock Division Requirements DrBELL
Feb 17, 2003 #6 I Ignazio Newbie level 3 Joined Jan 15, 2003 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location ITALY Activity points 8 clock dividers The doc "Unusual clock dividers" and others information are at this link: http://www.parmita.com/verilogcenter/papers.html Bye, I.
clock dividers The doc "Unusual clock dividers" and others information are at this link: http://www.parmita.com/verilogcenter/papers.html Bye, I.