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Hal Albach
06/20/12 07:34
Read: 607 times
Seminole, Florida
USA


 
#187804 - Just curious...
Responding to: John Papas's previous message
According to my reading of the datasheet you provided, it appears that the MCU has no program memory and therefore must rely on an external eprom for program store. In your first posting you said that you wrote a small program in assembler to help you diagnose the circuit board. I am curious as to where and how your program is loaded and how is it being executed?

Hal

List of 14 messages in thread
TopicAuthorDate
circuit repair, high level of all adress bytes      John Papas      06/15/12 15:16      
   what's on P2 is not that intersting initially, ...      Erik Malund      06/15/12 16:46      
      oszi daten      John Papas      06/18/12 12:16      
         depends on the app, but still      Erik Malund      06/18/12 12:51      
      we'll need a schematic, I believe.      Richard Erlacher      06/18/12 19:38      
   general guidelines      Mahmood Elnasser      06/18/12 22:45      
   RE      John Papas      06/19/12 03:39      
      Hardware check      Mahmood Elnasser      06/19/12 07:34      
      anyhow this begs a question      Erik Malund      06/19/12 09:24      
         Replay      John Papas      06/19/12 15:52      
            It wouldn't hurt to know how you've connected your hardware      Richard Erlacher      06/19/12 17:03      
               new      John Papas      06/20/12 07:12      
                  Just curious...      Hal Albach      06/20/12 07:34      
                     I have to agree with Hal, it can't be done ...      Richard Erlacher      06/20/12 09:13      

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