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???
07/14/06 06:25
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#120243 - Re: at89s8253 wakes up only once from pwr down.
Responding to: ???'s previous message
hi,

As it has been said, you should leave interrupt with RETI instruction.
As well, in your case external interrupt must be configured as level sensetive. Read more details here:
http://www.8052.com/forum/read.phtml?id=114972

Regards,
Oleg

List of 15 messages in thread
TopicAuthorDate
at89s8253 wakes up only once from pwr down.            01/01/70 00:00      
   i tried            01/01/70 00:00      
      unformatted code            01/01/70 00:00      
         sure you can            01/01/70 00:00      
            ...formatted code            01/01/70 00:00      
               mismatch            01/01/70 00:00      
                  nothing else to do.            01/01/70 00:00      
                     you should exit the interrupt by reti..            01/01/70 00:00      
                     Why does everyone insist on doing things WITHOUT e            01/01/70 00:00      
                     And then ?            01/01/70 00:00      
                        all true, but ...            01/01/70 00:00      
               Additional input            01/01/70 00:00      
   Re: at89s8253 wakes up only once from pwr down.            01/01/70 00:00      
   Thanks, everything OK            01/01/70 00:00      
      but you did not do so            01/01/70 00:00      

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