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???
03/05/06 22:43
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#111314 - Throw away...
Responding to: ???'s previous message
Ezequiel said:
I have a little problem with my AT89S52. Using the flash programmer from Asim Khan (v3.0 and v3.7) i can´t get the correct signature. Actually i´m reading 1F 53 07. If you look carefully you´ll find that the difference is only in the LSB that is a 1 when it should be a 0.

Try it with a fresh AT89S52. If it works now, throw away the old AT89S52. If it still doesn't work, throw away the programmer.

Kai

List of 15 messages in thread
TopicAuthorDate
AT89S52 signature            01/01/70 00:00      
   Throw away...            01/01/70 00:00      
      naah            01/01/70 00:00      
         worse programmer?            01/01/70 00:00      
            different messages, nothing else            01/01/70 00:00      
               the original problem            01/01/70 00:00      
                  i tried to explain the whole situatuion            01/01/70 00:00      
                     do you have an oscilloscope?            01/01/70 00:00      
                     that would be a stupid chip design            01/01/70 00:00      
                        Make that sense?            01/01/70 00:00      
         Is it you, Erik Malund?            01/01/70 00:00      
            it seems possible            01/01/70 00:00      
               Why not using a fresh ZIF?            01/01/70 00:00      
                  the generation using these micros use so            01/01/70 00:00      
                     Sockets, or how I lost the precision...            01/01/70 00:00      

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