Ughh....  Now I'm even more confused.  I just changed my delay
function to be about 1 second with the external osc.  I change the
config bit to internal osc.  and it doesn't change anything.  It's
identical.  I am just retransmitting the byte 65 over and over again. 
It isn't even sending lots of ones anymore.  One thing I have noticed
is that the curser in hyperterm seems to be flashing in sync with each
time it tries to send 65.  Also, occasionally, about 1 in 3 loops, the
curser flickers a bit.  It used to be sending all ones - I checked by
capturing text from hyperterminal, and opening it in a binary file
viewer.  But now it doesn't seem to be sending anything.

I can't check the actual clock speed - I'm just hoping it is what it
says it should be.  I haven't got any kind of scope.

On 5/2/05, Jan-Erik Soderholm <jan-erik.soderholm@telia.com> wrote:
> Dave Turner wrote :
> 
> > Okays, osc in config bits is now set to INTRC,
> > put 51 in spbrg (8MHz, high speed, internalRC,9600 baud)
> 
> Note that *some* changes in the configuration need to have
> a power off/on to take effect.
> 
> > On a whim, I decided to add some stuff into the program to turn an led
> > on and off whenever the program loops.  The LED takes about 30 secs to
> > toggle, when before it took about half a second.  Shouldn't it be a
> > lot faster, because now I'm (supposedly) using an 8mhz internal osc,
> > instead of the external 3MHz osc?
> 
> Have you setup OSCCON correctly ?
> I think that 31.25 Khz is the POR (power on) default.
> 
> Jan-Erik.
> 
> 
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