Lpc2000

---- Original Message ----
From: "Tom Walsh" <tom@...>
To: <lpc2000@yahoogroups.com>
Sent: Friday, January 20, 2006 10:47 PM
Subject: Re: [lpc2000] Re: changing PLL multiplier on fly - PLLCFG
(MSEL)

> I am also considering varying the clock to save power, won't this
> raise havoc with the peripherials?  AFAICT, the uart baudrate, timer
> interrupt values, etc., all will have to be reprogrammed to match the
> new PCLK value?

Yes.  You can reduce havoc by switching between PLL multiplier=4 and
APBDIV=4, and PLL disabled and APBDIV=1.  Except for a little disturbance
during the switching, the peripherals continue unchanged.

Karl Olsen