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???
01/15/06 03:27
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#107416 - P89C51Rx2 (H) H version
Responding to: ???'s previous message
The H version is default 6 clock cycles and the newer non-H versions are default 12 clock cycles... this the timing is different.

There is a bit in the sfr's which can set the non-H version back to 12 clock cycles.

JG

List of 16 messages in thread
TopicAuthorDate
Weird 'flashcode' problem on P89C51RD2BA            01/01/70 00:00      
   guesses            01/01/70 00:00      
      P89C51RD2BA flash code problem            01/01/70 00:00      
         P89C51Rx2 (H) H version            01/01/70 00:00      
            flash code problem            01/01/70 00:00      
         programming            01/01/70 00:00      
            P89C51RD2BA flashcode problem            01/01/70 00:00      
               why don't you TRY?            01/01/70 00:00      
                  Flashmagic issue            01/01/70 00:00      
                     try parallel programming            01/01/70 00:00      
                     erased?            01/01/70 00:00      
                        I guess you have checksum enabled            01/01/70 00:00      
                           Flash problem solved : THANKS !            01/01/70 00:00      
                        it was erased            01/01/70 00:00      
                           Additional            01/01/70 00:00      
                           good that you/Erik found it!            01/01/70 00:00      

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