Lpc2000

----- Original Message ----- 
From: "sudip nag" <sudipnag1@...>
To: <lpc2000@yahoogroups.com>
Sent: Sunday, June 12, 2005 7:16 AM
Subject: [lpc2000] 100 MHz clock using LPC2138


>
>
> Dear All,
>
> I would like to generate 60 MHz to 100 MHz clock, in controlled step of 1 
> MHz, with 50% duty cycle using LPC2138. Any suggestion how to generate the 
> same. Match functionality is inappropriate for generating such high 
> frequency.

A PLL sythesiser is the best way, with a programmable divider controlled by 
the '2138. You could use a synthesiser chip like those from Nat. Semi. and a 
VCO, or make your own synthesiser.

Leon
--
Leon Heller, G1HSM
leon.heller@...
http://www.geocities.com/leon_heller 

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