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How to disable RESET HIGH out feature for AT89S52 in keil c51?

Ahmed Gamal

Hello

I use At89s52 and i want to disable RESET HIGH out feature by set DISRTO
bit in SFR AUXR (address 8EH) but AUXR register isn't defined in <REGX52.h> file

so how can i disable this feature in Keil c51??

Note: i use Kiel C51 uvision 4

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  • 0 in reply to Ahmed Gamal

    the main problem in my project that microcontroller doesn't start to excute the program till i press on reset button then it works correctly.

    i think this problem occurs due to RESET HIGH out feature that is enabled by default so i try to disable this feature by set DISRTO bit in AUXR sfr.

    Given your claim that the software doesn't even start, how did you expect a change to the software to make any kind of difference?

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  • 0 in reply to Ahmed Gamal

    the main problem in my project that microcontroller doesn't start to excute the program till i press on reset button then it works correctly.

    i think this problem occurs due to RESET HIGH out feature that is enabled by default so i try to disable this feature by set DISRTO bit in AUXR sfr.

    Given your claim that the software doesn't even start, how did you expect a change to the software to make any kind of difference?

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