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Lock bits usage in 8051 microcontrollers

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parmar dixit
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Joined: 20/09/2012 - 15:48
Lock bits usage in 8051 microcontrollers

Hi All, I wanted to lock program in to the Controller itself for the security concerns. Now i came across the mechanism of lock bits, which is not supported in my existing(Novoton 78E51) controller. 1) Which controller supports this feature? 2) how lock bits works in controller? 3) How can i configure it? 4) what environment(Particular programmers or software for burning the code in controller) does it require? 5) What programming method it requires(serial/parallel)? Regards, Dixit