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PIC18F1220 Debug problem

Discussion in 'Electronic Design' started by Emanuele, Apr 6, 2007.

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  1. Emanuele

    Emanuele Guest

    i use PIC18F1220 but ICD2 don't enter in DEBUG mode
    (program-mode is ok)
    The settings are:
    INTRC, port on RA5 and RA6
    fail safe DISABLE
    internal/ext switch osc DISABLE

    and in firmware
    OSCCON=B'01101111' (4MHz)

    When go on debug, the ICD2 wait 2-3 minutes

    Do You have any suggest for confing-bits and firmware setup?

  2. When I have had problems like this it has usually been because of circuit
    loading on one or more of the ICD lines. Make sure Vpp can be raised to the
    programming level (about 12V), and the clock and data lines must be free to
    allow fast and clean digital signals. Also, make sure your clock is running

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