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Discussion Groups | MSP430 | Re: Re: Keeping accurate time
The purpose of this group is to foster exchange of information on the Texas Instruments MSP430 family of microcontrollers and related tools. Everyone welcome, all levels of familiarity/expertise.
Re: Re: Keeping accurate time - Leon - Jul 21 4:16:55 2008
----- Original Message -----
From: "work_onair"
To:
Sent: Monday, July 21, 2008 12:44 AM
Subject: [msp430] Re: Keeping accurate time
> Looking thru the TI appnote on MSP and RTC - I found the following:
> This seems to imply that the internal LF oscillator should provide an
> accurate clock without needing an external source.
> Is that true?
> (Of source the example that follows - uses an external 32 KHz
> oscillator - so I am a little confused)
> Does this mean that if 12KHz is good enough - can I use it as the
> clock source to keep accurate time??
No, you need a crystal.
Leon
------------------------------------
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From: "work_onair"
To:
Sent: Monday, July 21, 2008 12:44 AM
Subject: [msp430] Re: Keeping accurate time
> Looking thru the TI appnote on MSP and RTC - I found the following:
> This seems to imply that the internal LF oscillator should provide an
> accurate clock without needing an external source.
> Is that true?
> (Of source the example that follows - uses an external 32 KHz
> oscillator - so I am a little confused)
> Does this mean that if 12KHz is good enough - can I use it as the
> clock source to keep accurate time??
No, you need a crystal.
Leon
------------------------------------
(You need to be a member of msp430 -- send a blank email to msp430-subscribe@yahoogroups.com )