PIC18F2450 Rs-232

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  1. - 3rd February 2011, 20:41 #9
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    Bruce
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    You definitely do not want to enable the hardware USART if you want to use any bit-banged serial routines like SEROUT/SERIN or SEROUT2/SERIN2 on the hardware RX/TX pins.

    Enabling the hardware USART prevents you from using the TX/RX pins as digital, so bit-banged serial commands can't control these pins.

    And double-check your connections to the ST232. I suspect you have TX and RX backwards.
    Last edited by Bruce; - 3rd February 2011 at 20:57. Reason: ST232 Connections
    Regards,

    -Bruce
    tech at rentron.com
    http://www.rentron.com
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