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???
03/01/04 09:58
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#65720 - RE: No idea what you mean!
Responding to: ???'s previous message
Annibal Hoeschl Abreu wrote:
-------------------------------
Hi.

You must check :

1) Is there any big resistor (more than 500 Kohmns) ?
2) Is there any long track in your PCB ?
3) Is there a ceramic capacitor in parallel with your eletrolitic capacitor ?
4) Are your interrupt level or edge activated ?

Annibal


Yes., No. 3 and No. 4,
but, how to solve the problem, thanks.


List of 17 messages in thread
TopicAuthorDate
Power line noise triggered AT89c51            01/01/70 00:00      
   RE: Power line noise triggered AT89c51            01/01/70 00:00      
      RE: Power line noise triggered AT89c51            01/01/70 00:00      
         RE: Power line noise triggered AT89c51            01/01/70 00:00      
   RE: Power line noise triggered AT89c51            01/01/70 00:00      
      RE: Power line noise triggered AT89c51            01/01/70 00:00      
   No idea what you mean!            01/01/70 00:00      
      RE: No idea what you mean!            01/01/70 00:00      
         RE: No idea what you mean!            01/01/70 00:00      
            RE: No idea what you mean!            01/01/70 00:00      
         RE: No idea what you mean!            01/01/70 00:00      
   RE: This Thread is CONFUSING            01/01/70 00:00      
      RE: This Thread is CONFUSING            01/01/70 00:00      
         RE: This Thread is CONFUSING            01/01/70 00:00      
      RE: This Thread is CONFUSING            01/01/70 00:00      
   ever heard of EMC ?            01/01/70 00:00      
      RE: ever heard of EMC ?            01/01/70 00:00      

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