How to use Externel Memory to store data Using AT89C51

I am using AT89c51. I have a project to get date from Rs232 and store on ROM. I dont know how to do this with Keil. If any one could help me.
thanks in advance.

Parents
  • "I have a project to get date from Rs232 and store on ROM. I dont know how to do this with Keil"

    You cannot do it at all. With anything. Period.

    ROM = Read-Only Memory

    "Read-Only" means No Write.

    You cannot write to Read-Only Memory (ROM) - that's why it's called Read-Only

    "If any one could help me"

    They can't - it's impossible.

    Unless you meant PROM, or EPROM, of course...

Reply
  • "I have a project to get date from Rs232 and store on ROM. I dont know how to do this with Keil"

    You cannot do it at all. With anything. Period.

    ROM = Read-Only Memory

    "Read-Only" means No Write.

    You cannot write to Read-Only Memory (ROM) - that's why it's called Read-Only

    "If any one could help me"

    They can't - it's impossible.

    Unless you meant PROM, or EPROM, of course...

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