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  1. - 8th August 2008, 15:51 #3
    Frozen001's Avatar
    Frozen001
    Frozen001 is offline Junior Member
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    Thanks...

    I actually got it working before I read this... Had to set the Port as Outputs...

    Now my next question:

    The PIC18 explored poard has an LCD display on it. It is connected through an SPI I/O expander, MCP23S17. How do in therface it??? Microchips Manual is totally useless for me since I have no programming background...

    The user guide states this:

    An LCD display with two lines, 16 characters each, is connected to the SPI I/O
    expander, MCP23S17. The two control lines and eight data lines are connected to the
    I/O expander.
    The I/O expander has an SPI interface that connects it to the microcontroller.The I/O
    expander is disabled or enabled from the SPI by jumper JP3.
    Last edited by Frozen001; - 8th August 2008 at 16:06.
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