Thank you, chris.
You know I am now working on one problem. I need 8MHz to run some low-
requency-burst heavy load task, and generally the system runs one light
weight task( I want it to run in 1 MHz to save some energy). Can you give me
some suggestions about this case?
Thank you!
Regards
Zhengsu Gao
However, if I use on 8 MHz crystal, while di
----- Original Message -----
From: "Chris Liechti" <cliec...@gmx.net>
To: <mspgcc-users@lists.sourceforge.net>
Sent: Friday, December 03, 2004 5:05 PM
Subject: Re: [Mspgcc-users] About system fequency
Gao Zhengsu wrote:
Hi, everybody:
I have a question about system frequency. When I use an 8 MHz crystal in
XT2, can I change system frequency from 8MHz to 1MHz simply by divider at
run
time without losing anything.
basicaly yes, div 8 is the highest divider you can select in the basic
clock module and you can switch it at runtime.
switching clocks can be tricky in some cases, e.g. if you want to have a
realtime clock running accurately.
it's not the same as connecting a lower frequency crystal. in general
faster clocks use more current. so using a faster crystal than you need
means less battery life.
chris
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