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???
09/27/06 05:18
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Msg Score: -1
 -1 Non-Specific question
#125126 - 24 pin digital I/O
Help Me, i am designing a project based on 89c52. digital i/o.

specification: 12VDC input(GND) and Output 12VDC (GND). and same line should be used as input and output. so please can me help for the hardware design for that.


Jagdish(+919925507012)

List of 28 messages in thread
TopicAuthorDate
24 pin digital I/O            01/01/70 00:00      
   CD4504BE            01/01/70 00:00      
   Insufficient information!            01/01/70 00:00      
   Many Drivers and level shifters site with pinouts            01/01/70 00:00      
      Interesting first step            01/01/70 00:00      
         data sheet            01/01/70 00:00      
            Go to the Horse's Mouth            01/01/70 00:00      
               thank you!            01/01/70 00:00      
            avoid the 'hit collectors'            01/01/70 00:00      
               well...            01/01/70 00:00      
      go to the source            01/01/70 00:00      
         24 pin digital I/O details            01/01/70 00:00      
            Open-Collector / Open-Drain            01/01/70 00:00      
               any ic            01/01/70 00:00      
                  try            01/01/70 00:00      
               Namely 74HC07            01/01/70 00:00      
                  combined            01/01/70 00:00      
                     check out the date.            01/01/70 00:00      
   OK, Somebody write the software            01/01/70 00:00      
      It's 12V, Charles!            01/01/70 00:00      
         Updated            01/01/70 00:00      
   will modify dwg. WILL YOU WRITE SOFTWARE?            01/01/70 00:00      
      To do what?            01/01/70 00:00      
         To make it functional            01/01/70 00:00      
            i have schmatic            01/01/70 00:00      
               How to...            01/01/70 00:00      
            Helping?            01/01/70 00:00      
         'solutions' is not 'help'            01/01/70 00:00      

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