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Can this be used?

Discussion in 'Microcontrollers, Programming and IoT' started by bigone5500, Oct 10, 2014.

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  1. bigone5500

    bigone5500

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    Apr 9, 2014
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    That has on-chi[p ROM. This means that you won't be able to reprogram it.
     
  3. bigone5500

    bigone5500

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    Apr 9, 2014
    Thanks Steve. It still looks cool sitting on my desk. Makes a great conversation piece too.
     
  4. ElectTech

    ElectTech

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    Oct 21, 2014
    That is true for the P8398 part but the p8798 should have a quartz window that when uncovered allows an EPROM eraser to erase the contents. Then with the proper programmer, it can be re-programmed. The E in EPROM stands for Erasable. True of most, if not all of the Intel processors and memories, as well as those from other manufacturers.
     
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Looking at the datasheet again, it does list the 8798 as both "user programmable" and "OTP" (one time programmable).

    Since it mentions EPROM, if the device has a quartz window you can likely erase it, otherwise not :-(
     
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