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???
04/08/07 16:59
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Msg Score: +1
 +1 Good Answer/Helpful		 #136815 - CPU Compare
Responding to: ???'s previous message

Perhaps you can compare the timing characteristics between your micro and the suspect duplicate (s).

Surely if it is an "exact copy" then then I/O timing will be the same.

How about the circuits - are they exactly the same?

Joe


List of 56 messages in thread
TopicAuthorDate
89C2051 unlocked and copied            01/01/70 00:00      
   You'll prolly find that the have set the security            01/01/70 00:00      
   CPU Compare            01/01/70 00:00      
   Unlock at89c2051            01/01/70 00:00      
      Proof            01/01/70 00:00      
   Close But Far Away            01/01/70 00:00      
      Several Steps for the Next Product            01/01/70 00:00      
         might I suggest...            01/01/70 00:00      
            anything else would be outright silly.            01/01/70 00:00      
         please explain            01/01/70 00:00      
            try this            01/01/70 00:00      
   an idea            01/01/70 00:00      
      I dont know how this is going.....            01/01/70 00:00      
         the cost of copying            01/01/70 00:00      
            It makes little sense ...            01/01/70 00:00      
               Too optimistic ?            01/01/70 00:00      
            another way??            01/01/70 00:00      
            I beg to differ....            01/01/70 00:00      
               protection *scheme*?            01/01/70 00:00      
               I absolutely agree, Michael            01/01/70 00:00      
            COPYING YOUR PROGRAM...            01/01/70 00:00      
               OR            01/01/70 00:00      
      easily fixed with a soldering iron            01/01/70 00:00      
   Some ideas            01/01/70 00:00      
   re:copied software            01/01/70 00:00      
      find out if you want to prove if the code is assem            01/01/70 00:00      
         Excellent point!            01/01/70 00:00      
      legit or not            01/01/70 00:00      
      Re: Re: Copied software            01/01/70 00:00      
         A guess            01/01/70 00:00      
   Are you sure            01/01/70 00:00      
      Am I a pirate?            01/01/70 00:00      
         In the US            01/01/70 00:00      
            I don't understand part            01/01/70 00:00      
               The story of Compac Computer.            01/01/70 00:00      
                  an example of legal reverse engineering            01/01/70 00:00      
                     Would this be an example legal reverse engineering            01/01/70 00:00      
                        I can't tell            01/01/70 00:00      
                           find out what the purpose of a patent is            01/01/70 00:00      
   You still did not answer question            01/01/70 00:00      
   Copied software            01/01/70 00:00      
      copying            01/01/70 00:00      
      You cant prove anything            01/01/70 00:00      
   copying products            01/01/70 00:00      
      Sad            01/01/70 00:00      
         but true ...            01/01/70 00:00      
         Copying From School Days            01/01/70 00:00      
            What they can do            01/01/70 00:00      
   Oops! See next message!            01/01/70 00:00      
   Style can help            01/01/70 00:00      
   There IS a way to survive            01/01/70 00:00      
      Support, support, support!            01/01/70 00:00      
         You're right, of course, but ...            01/01/70 00:00      
            Nothing more annoying ...            01/01/70 00:00      
               Yes, if this is the only "support" he gets from you...            01/01/70 00:00      
                  Well, there is support and then there's handholding            01/01/70 00:00      

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