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07/09/01 15:34
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 		 #13095 - RE: 89c52 need pull up resistor at port 0 ?

If you are not doing a battery powered device, I suggest you put the pull-ups there. You have already verified that it doesn't work without them, so put them in!!!

If you feel unhappy not knowing exactly WHY it is not working without the pull-ups, consult the data-sheet.

Jesper

List of 6 messages in thread
TopicAuthorDate
89c52 need pull up resistor at port 0 ?            01/01/70 00:00      
RE: 89c52 need pull up resistor at port 0 ?            01/01/70 00:00      
RE: 89c52 need pull up resistor at port 0 ?            01/01/70 00:00      
RE: 89c52 need pull up resistor at port 0 ?            01/01/70 00:00      
RE: 89c52 need pull up resistor at port 0 ?            01/01/70 00:00      
RE: 89c52 need pull up resistor at port 0 ?            01/01/70 00:00      

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