Can't properly configure RA3,Ra4 as digital out (PIC16F876A)

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  1. - 4th July 2014, 12:31 #1
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    luxornet
    luxornet is offline Junior Member
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    Default Can't properly configure RA3,Ra4 as digital out (PIC16F876A)

    Hi!
    Please help me to configure RA3 and RA4 as digital out (PIC16F876A). On Proteus simulator all are working fine but not in real world.
    I know that RA$ is Digital I/O – Open-drain when configured as output.
    I have used:

    TRISA = %00000001
    ADCON1 = %10001110
    cmcon = %00000111

    Thank you very much.
    PIC16F876A Datasheet
    Last edited by luxornet; - 4th July 2014 at 12:47.
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