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???
10/29/05 20:34
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#103121 - Simple answer
Responding to: ???'s previous message
Ashwin Nayak said:
... the reset circuit is 0.1uF 50V(electrolytic). Could this be the problem?.

YES!

Not the specific value - this is an inherent problem with the simple RC reset circuit - see Jan's solution:

http://www.8052.com/forum/read.phtml?id=103120

See also: http://www.8052.com/forum/read.phtml?id=72454

List of 11 messages in thread
TopicAuthorDate
AT89C2051 malfunction            01/01/70 00:00      
   the solution            01/01/70 00:00      
   Simple answer            01/01/70 00:00      
   How long powered-off?            01/01/70 00:00      
      Power Supply            01/01/70 00:00      
         Of course it is!            01/01/70 00:00      
         time constants            01/01/70 00:00      
            Issue Resolved            01/01/70 00:00      
               Not resolved!            01/01/70 00:00      
                  Use a proper reset controller!            01/01/70 00:00      
                     FAQ?            01/01/70 00:00      

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