I2C Read/Write problems

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  1. - 3rd April 2008, 06:05 #14
    Dispersion123's Avatar
    Dispersion123
    Dispersion123 is offline Junior Member
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    Wow... lots of help... I'm attempting to get the read to work, using $20 for the control byte. I'll see what I can do... eventually I want to be able to read and write registers using the LCD screen as sort of a 'menu' guide, and using my last to ports as button inputs.

    EDIT:

    Can anyone give me an idea as to why the clock is so far off? The book says 400KHz devices are accessible if the clock is above 8MHz (I'm using 20), but my clock is at 122Khz. The manufacturer of the board said this wasn't a problem so long as the PIC supported 'clock stretching'.

    If anyone is interested, what I'm trying to connect to is an 'Open Servo' board.
    Last edited by Dispersion123; - 3rd April 2008 at 06:20.
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