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seсurity bit in AT91SAM7S

Hi, i have a question about an access restriction of writing to on-chip flash after setting the security bit. Can i program the flash through an EFC after setting the security bit?

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  • A JTAG interface that is allowed to download program code to RAM, can download a little application that reads out all flash contents.

    In case of the AT91SAM7S, the security bit blocks all external accesses to flash (read + write) except for a full chip erase (which will also reset the security bit after the erase operation finishes).

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  • A JTAG interface that is allowed to download program code to RAM, can download a little application that reads out all flash contents.

    In case of the AT91SAM7S, the security bit blocks all external accesses to flash (read + write) except for a full chip erase (which will also reset the security bit after the erase operation finishes).

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