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???
04/02/05 10:41
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#90862 - Incomplete program download
Responding to: ???'s previous message
When programing in middle, i pressed reset button accidentally,


Not to worry. I have done it many times accidentaly. The reason for not entering ISP is that your Boot Vector is lost, as has been mentioned already. But the MCU itself will be intact and you can revive it with a parallel programmer. Reason why I always keep one such thing handy - nowadays you get programmers for under 250 USD.

Raghu



List of 15 messages in thread
TopicAuthorDate
P89C51RD2BN ISP stopped working            01/01/70 00:00      
   I guess you lost the boot vector            01/01/70 00:00      
      no more lost vectors            01/01/70 00:00      
      I think I know the reason            01/01/70 00:00      
         Erase option..            01/01/70 00:00      
         I take this back            01/01/70 00:00      
            Not this one then ?            01/01/70 00:00      
         message received.....            01/01/70 00:00      
   Incomplete program download            01/01/70 00:00      
   Again i lost one more P89C51RD2HBP            01/01/70 00:00      
      No such danger on the Atmels            01/01/70 00:00      
         Atel v.s. Philips            01/01/70 00:00      
      lose none - EVER            01/01/70 00:00      
      re            01/01/70 00:00      
         re            01/01/70 00:00      

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