On Thu, Sep 23, 1999 at 12:59:52AM -0400, Myke Predko wrote:
> Hi Folks,
>
> I've been playing around with a sample 16F877 and I am having problems with
> not getting a reliable start up.  I'm trying to run it at 4 MHz (using a
> crystal and two 15 pF caps).  The operation of the oscillator seems to be
> hit or miss (mostly miss).  I've played around with different parts (I've
> tried a ceramic resonator, different values for the capacitors) and still
> nothing that is reliable.  I have not tried an in-line resistor.
>
> Has anybody else seen this type of problem and if you did, what did you do
> to fix it?
I'm not sure if entering the programming mode may affect the oscillator, but
is the RB3 pin floating? If yes, tie it to the ground.
--
                                Greetings
                              Wojciech M. Zabolotny
        http://www.ise.pw.edu.pl/~wzab  <--> wzab@ise.pw.edu.pl

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