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???
04/19/08 07:20
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 		 #153705 - this is the diagram of the "inside" of chip
Responding to: ???'s previous message
... it is *not* a circuit which you would attach to the chip from "outside".

JW

List of 33 messages in thread
TopicAuthorDate
about port 0 0f 8051mc            01/01/70 00:00      
   already answered            01/01/70 00:00      
      P0 pullups            01/01/70 00:00      
         Tristate (pedant mode)            01/01/70 00:00      
         This thread turns to helter-skelter            01/01/70 00:00      
         I never heard of that            01/01/70 00:00      
            I never heard of that ?            01/01/70 00:00      
            I never heard of that ?            01/01/70 00:00      
               Tristate (pedant mode, again)            01/01/70 00:00      
                  three states            01/01/70 00:00      
                     not at all confusing            01/01/70 00:00      
               confusing open drain/collector with tristate ...            01/01/70 00:00      
                  Not quite true            01/01/70 00:00      
                     much 'can' be done            01/01/70 00:00      
   read the datasheet ... it is "open-drain"            01/01/70 00:00      
      advantage            01/01/70 00:00      
         that it is not clogged            01/01/70 00:00      
            or a wire-or-ed output            01/01/70 00:00      
               ????            01/01/70 00:00      
         How would you realize an input /output topology?            01/01/70 00:00      
            why            01/01/70 00:00      
               this is the diagram of the "inside" of chip            01/01/70 00:00      
            please comment            01/01/70 00:00      
               1) Maybe, 2) False, 3) False            01/01/70 00:00      
               FAQ            01/01/70 00:00      
               Have you read at all what I wrote??            01/01/70 00:00      
   Port 0            01/01/70 00:00      
      Hhm, still no answer??            01/01/70 00:00      
         This doc explained everything            01/01/70 00:00      
            it should be the first reference!            01/01/70 00:00      
      P0.1            01/01/70 00:00      
         start a new thread            01/01/70 00:00      
         yes to both - it\'s \"bible time\"            01/01/70 00:00      

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