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Lpc2000

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Re: [lpc2000] Re: Who can tell me the relationship between XCLK and CCLK?

2005-09-07 by Samuel

If you place a 10Mhz crystal to the XTAL, the CCLK
will be 60Mhz, it in the datasheet. then of course you
have your pheripheral clock...


--- lpc2100_fan <lpc2100_fan@...> wrote:

> Mark,
> 
> if I am not mistaken VPBDIV is there to divide CCLK
> into PCLK
> (Peripheral Clock).  XCLK is the external clock,
> which is identical to
> CCLK if the PLL is not used. Otherwise CCLK = XCLK *
> PLL factor
> 
> Nevertheless I could not find XCLK either in the
> data sheet or the
> Users Manual, how did you come up with these terms?
> 
> Bob
> 
> --- In lpc2000@yahoogroups.com, "Mark Crow"
> <mcrow@p...> wrote:
> > Look at the LPC2000 user manual and look up the
> VPBDIV register.
> >   -----Original Message-----
> >   From: lpc2000@yahoogroups.com
> [mailto:lpc2000@yahoogroups.com]On
> Behalf Of
> > fangneu
> >   Sent: Monday, September 05, 2005 11:50 PM
> >   To: lpc2000@yahoogroups.com
> >   Subject: [lpc2000] Who can tell me the
> relationship between XCLK
> and CCLK?
> > 
> > 
> >   Thank you very much and I wish that somebody can
> help me!!
> > 
>
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> 
> 
> 


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