Flash memory info for at89s52 controller

  • Shrihari Shinde

    Shrihari Shinde - 2014-06-20

    I am using at89s52 for my project. i have seen in the datasheet that at89s52 has only 8kb flash memory. When i compiled my c code in SDCC compiler, it is converted into 17kb hex file without any error and i downloaded code in at89s52 ic, it is working well. I am surprised, as it has only 8kb flash and how it is providing space to 17kb code. I also downloaded 24kb hex file and its getting downloaded but doesn't run properly.
    So, can any one tell me conceptual reason behind this..
    thank you in advance

  • Maarten Brock

    Maarten Brock - 2014-06-20

    Open the hex file in a text editor and see why it will fit in your 8 kB.


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