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How to Add the protection to internal Flash ??

bluesea

Hello,

We use the MC908GT16 for 3 years. Currently, we find the internal flash to be changed. The program can not run correctly. Originally, we dont add the protection to the internal Flash. We want to know:

1. How to add protection to the entire Flash?

2. If protection , We can read the program of Flash? How to read?

3. If protection, the Flash can be re-program ?image

Parents

  • Hi Bluesea,

     

    What you want can be achieved by using Flash block protection.

    you may see product manual. Maybe look at the GT16A manual for a better description.

    You just programme NVPROT with the appropriate value and that's it. 

    This only provides protection from internal access.

    When you connect via a BDM adapter the software will un-protect the flash so it may be then modified.

    Note that this un-protecting can only be done through the BDM.

     

    If still not clear on this perhaps you can narrow down your area of concern.

     

    hope above help you.

Reply

  • Hi Bluesea,

     

    What you want can be achieved by using Flash block protection.

    you may see product manual. Maybe look at the GT16A manual for a better description.

    You just programme NVPROT with the appropriate value and that's it. 

    This only provides protection from internal access.

    When you connect via a BDM adapter the software will un-protect the flash so it may be then modified.

    Note that this un-protecting can only be done through the BDM.

     

    If still not clear on this perhaps you can narrow down your area of concern.

     

    hope above help you.

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