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Flash memory for Data storage?

Scott Kelley

I am finding conflicting information regarding the use of Flash memory.

Some information indicates that all Flash memory is for code only, while other information implys that Flash can be used for code and data both. I get the impression that data storage in Flash is something that can be done on some parts and not others, but can't find any information on manufacturers websites that clarifies the issue.

Is there any good information out there that will tell me what is what? I am looking at 8051 based parts - Atmel & Philips mostly.

Thanks,
Scott Kelley

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  • 0 in reply to oliv ma

    The same block of flash memory CANNOT be written/read/erased while the code stored in the same block is executing. For this reason, most flash memory based 8051 can use the flash as code memory only.
    HUH?
    I know of no '51 with internal flash where the flash is one page only.

    Erik

Reply
  • 0 in reply to oliv ma

    The same block of flash memory CANNOT be written/read/erased while the code stored in the same block is executing. For this reason, most flash memory based 8051 can use the flash as code memory only.
    HUH?
    I know of no '51 with internal flash where the flash is one page only.

    Erik

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