p89v51rd2 EA pin

Started by yasar, January 20, 2005, 02:46:02 AM

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yasar

January 20, 2005, 02:46:02 AM
P89V51RD2 datasheet page 9 says "Security lock level 4 will disable EA, and program execution is only possible from internal program memory"

Where is security level 4 ?
How can I do ?

Thanks.
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