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help with 18f4620

 
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bejoy_ak



Joined: 20 Jun 2008
Posts: 10

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help with 18f4620
PostPosted: Thu Feb 05, 2009 8:01 am     Reply with quote
Hi...
i am new to 18f series ...so anyone pls help me with the configuration of 18f4620.....can this pic work with 4MHz crystal...??
dbotkin



Joined: 08 Sep 2003
Posts: 197
Location: Omaha NE USA

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PostPosted: Thu Feb 05, 2009 8:16 am     Reply with quote
Yes, it can. The question is whether you want to run it at 4 MHz or 16 (PLL on or off).

What else do you need help with? I'm also using the 18F4620 as my first 18F series. I haven't found any real challenges. The oscillator configuration is a little different.
bejoy_ak



Joined: 20 Jun 2008
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PostPosted: Thu Feb 05, 2009 8:49 pm     Reply with quote
i want it to run at 4MHz.....
Ttelmah
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PostPosted: Fri Feb 06, 2009 3:56 am     Reply with quote
So, basically exactly the same as for a '16' chip.
Code:

#include <18F4620.h>
#FUSES NOWDT, XT, NOBROWNOUT, PUT, NOCPD, NODEBUG, NOLVP,  NOXINST, MCLR
#use delay(clock=4000000)


Best Wishes
bejoy_ak



Joined: 20 Jun 2008
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thanks
PostPosted: Fri Feb 06, 2009 5:54 am     Reply with quote
thanks frnd..
Now I am able to program the chip.
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