16f54 stops running with RC OSC

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  1. - 29th March 2011, 08:48 #4
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    Default Re: 16f54 stops running with RC OSC

    Please post your setup code in Toto, all your configs all your defines and all of your
    registers, port, tris. option . . . if it is not secret, post the whole code.
    Let's see what is going on here.
    EDIT:
    I have never used an external R/C osc so I cannot pull some trial values out of my hat
    Having said that, I would try some other values, go bigger on both the resistor and the Cap.
    Without cracking a bunch of books, methinks the values you picked would make for very high
    frequency more than that poor old chip can do. BTW pin 17 the OSC/CLKOUT pin will output the osc freq./4 if you want to measure it.
    Last edited by Archangel; - 29th March 2011 at 09:06.
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