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marin Guest
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Posted: Wed May 26, 2004 6:40 am Post subject: Reading PIC with read disabled flag ? |
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Does someone know how can be read a PIC with read disabled flag up ?
If you have seen a schematic for a telephone dialer with РІС16F84 ? |
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sdasd Guest
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Posted: Wed May 26, 2004 6:40 am Post subject: |
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If the read disable flag is up the pic can not be read |
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Cvetanov Guest
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Posted: Wed May 26, 2004 6:43 am Post subject: |
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The program of a protected PIC can be read. Even Microchip acknowledge this .
See for example "PIC16F62X Data Sheet" page 2.
I have not tested it personally, but as far as i have heard it can be done with higher power voltage. |
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Cvetanov Guest
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Posted: Wed May 26, 2004 2:56 pm Post subject: |
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Check out what Microchip says:
Note the following details of the code protection feature on Microchip devices:
• Microchip products meet the specification contained in their particular Microchip Data Sheet.
• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge,
require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
• Microchip is willing to work with the customer who is concerned about the integrity of their code.
• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. |
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