82c55a about modes

hi all,
i bought an oki 82c55a chip for my project and i have to use the mode 0 settings, do i have to program the chip to use the mode 0? or by default it's already set in mode 0? anyone please?

thank you for your time,
ken

Comments

  • : hi all,
    : i bought an oki 82c55a chip for my project and i have to use the
    : mode 0 settings, do i have to program the chip to use the mode 0? or
    : by default it's already set in mode 0? anyone please?
    :
    : thank you for your time,
    : ken
    :
    Hi Ken,
    The 82c55a is set in mod 0 by default after reset. All the 24 input output lines will be input, no additional programming is needed.If you want any other configuration you have to programm it. Since I don't know what you want to do, so I don't know the control word for the 82c55a, you have to find out yourself.
    Best Regards
    J. Cseh
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