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    hai in my program XDATA=50 code=5442 data=130 and no external memory. can I use my onchip ROM for storing the XDATA? and kindly tell me How to store it? with thanks, Karthik
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    Hi! XDATA is not working properly in P89v664 microcontroller.It is compiling well but in target board not showing result. but same program (using XDATA)working for p89v51rd . Here we are using...
  • Problems with XDATA
    Hi, I try to accces external Memory using XDATA. I use the following code: extern volatile unsigned char xdata interface_register _at_ 0x3; This is the variable I want to acces, like...
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    Hopefully someone can Help, I'm working on a project with the Atmel AT89C51ED2 processor. I have selected the AT89C51RD2 controller from the device database (If I'm not mistaken the only difference...