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???
10/07/02 11:25
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#30311 - RE: correct statement ....
You must check the connections on:

VCC, GND, RESET, EA, XTAL1, XTAL2

Additional checking:

ALE: oscillate with crystal / 6
PSEN: always high


Peter


List of 20 messages in thread
TopicAuthorDate
89c51 behave strange            01/01/70 00:00      
correct statement ....            01/01/70 00:00      
RE: correct statement ....            01/01/70 00:00      
RE: correct statement ....            01/01/70 00:00      
RE: correct statement ....            01/01/70 00:00      
RE: correct statement ....            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      
RE: again confusing            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      
RE: again confusing            01/01/70 00:00      
RE: again confusing            01/01/70 00:00      
RE: correct statement ....            01/01/70 00:00      
RE: again confusing            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      
RE: eric            01/01/70 00:00      
RE: 89c51 behave..            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      
RE: 89c51 behave strange            01/01/70 00:00      

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