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Re: [lpc2000] Re: Newbie with LPC2106 - Please help

2004-08-26 by Leon Heller

----- Original Message ----- 
From: "acetoel" <acetoel@...>
To: <lpc2000@yahoogroups.com>
Sent: Thursday, August 26, 2004 3:03 PM
Subject: [lpc2000] Re: Newbie with LPC2106 - Please help


> Just a simple question about the cristal. I know that this MCU (as
> some PICs) has internal PLL. The question is, which is te range of
> External Cristal OSC, and then between what ranges I have to set the
> Internal PLL. I read somewhere, don't remember where, that the
> external cristal should be between 1MHz and 25Mhz, and in the PLL
> Calculator program, there's a maximun of 60Mhz for the clock.
> Which is the more recomendable selection, and which one gives more
> performance (higher Bus Clock, Higher MCU clock...and so on).
> Thanks for the patience...

I usually use 10 MHz as they are easy to obtain. There are better
frequencies like 14.7456 MHz.

Leon

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