PIC18F4850 will not oscillate


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  1. #10
    Join Date
    Mar 2011
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    Default Re: PIC18F4850 will not oscillate

    So I made sense of the configuration read back results. And as I imagine the CONFIG1H is not being set by the U2 programmer.

    CONFIG1H = 02 (HS Oscillator enabled)
    CONFIG1L = 00 (default))
    CONFIG2H = 1F
    CONFIG2L = 17
    CONFIG3H = 82
    CONFIG3L = 00
    CONFIG4H = 00
    CONFIG4L = 81
    CONFIG5H = C0
    CONFIG5L = 0F
    CONFIG6H = E0
    CONFIG6L = 0F
    CONFIG7H = 40
    CONFIG7L = 0F


    The configuration file seems to be correct. Can anyone make sense of what is going on?. I have two cards behaving exatly the same.
    Last edited by IRQ_Diode; - 9th March 2011 at 00:06. Reason: Corrected the H and L on the CONFIGx table.

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