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???
11/07/06 16:52
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#127493 - Have you verified the fixed connections?
Responding to: ???'s previous message
You can save yourself some hassle if you first verify that the oscillator/crystal connections are appropriate for an 805x variant in that package, and, while you're at it, verify that the reset and the supply connections, /EA, and other well-defined signals match an 805x variant.

Have you done any of that?

It's easier to reverse engineer the code if you know what the MCU is.

RE


List of 15 messages in thread
TopicAuthorDate
Help in reverse-engineering an old 8051-based ECU?            01/01/70 00:00      
   Toyota boxes perhaps?            01/01/70 00:00      
      Not Toyotal, although that's already been "hacked"            01/01/70 00:00      
         Are the mazda & honda the same?            01/01/70 00:00      
            Getting there...            01/01/70 00:00      
               Two different beasts!            01/01/70 00:00      
                  I could kick myself.            01/01/70 00:00      
                     Mazda vs Kawasaki box            01/01/70 00:00      
                        Yep, 680x chip.            01/01/70 00:00      
                           How to dump 6801            01/01/70 00:00      
   Have you verified the fixed connections?            01/01/70 00:00      
      Not yet...            01/01/70 00:00      
   ignore this double post, plz.            01/01/70 00:00      
   email address?            01/01/70 00:00      
      Ping me here...            01/01/70 00:00      

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