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P89C669 configurations

PRK Ganesh

I am using P89C669 controller.
What are the configuration i have to set in uvision to use off-chip xdata of 64KB and to disable on chip xram?

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    What are the configuration i have to set in uvision to use off-chip xdata of 64KB and to disable on chip xram?
    Nothing to do with uvision, it is a SFR you need to set at the very beginning if startup.a51. If you do the usual and set them at6 the beginning of main() you will have all kinds of "fun". i leave it to you to read the 669 datasheet yourself.

    Erik

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    What are the configuration i have to set in uvision to use off-chip xdata of 64KB and to disable on chip xram?
    Nothing to do with uvision, it is a SFR you need to set at the very beginning if startup.a51. If you do the usual and set them at6 the beginning of main() you will have all kinds of "fun". i leave it to you to read the 669 datasheet yourself.

    Erik

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