piclist 2002\09\12\193501a >
Thread: Monitoring internal clock?
www.piclist.com/techref/microchip/time.htm?key=clock
picon face BY : Harold M Hallikainen email (remove spam text)



On Thu, 12 Sep 2002 21:44:50 +0200
=?iso-8859-1?Q?Jan-erik_S=F6derholm_=28QAC=29?=
<spamBeGoneJan-erik.Soderholmspam@spam@PAC.ERICSSON.SE> writes:
{Quote hidden}

       I agree. The only way to determine the speed of the clock is to compare
it with a stable external reference. If you have a stable external
reference, you may as well just use it as the clock! You have a variety
of clock options available on the PIC, allowing you to balance clock
accuracy against cost.  These include (pretty much in order of increasing
cost and increasing accuracy):

internal RC
external RC
resonator
crystal
precision external oscillator (ovenized or temperature compensated)

Harold


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