Convert from 16f877a to 18f458

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  1. - 30th November 2005, 20:41 #3
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    Quote Originally Posted by Ron Marcus
    I've used the 452 for quite some time now.I have had no issues. Are you using a crystal or resonator? Have you tried a simple loop program to flash a LED or make a sound? There are different registers to config at start up, and there could be a number of mechanical reasons it doesn't work either. Have you tried substituting the processor with a spare?

    Ron
    Same prog.Same osc. (20 mc crystal). Spares is the same...
    That is... the same circuit, same program. The 877a works fine.
    Last edited by svein97; - 30th November 2005 at 21:08.
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