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05/17/06 20:57
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 		 #116437 - multiplexing Direct Driv
hi ,
i am using 7 segment drive by 7447 (bcd to 7segment decoder ic) and multiplaxer ic.
i want multiplexing using Direct Drive ,just like
p1.0 = a
p1.1 = b
p1.2 = c
p1.3 = d
p1.4 = e
p1.5 = f
p1.6 = g
****
p3.0 = digit 1
p3.1 = digit 2
p3.2 = digit 3
p3.3 = digit 4
..................
can it possible
if any one have like this
so please advice me that how can i use it
thanks
abid ali siddiqui

List of 35 messages in thread
TopicAuthorDate
multiplexing Direct Driv            01/01/70 00:00      
   not without buffers            01/01/70 00:00      
      yah            01/01/70 00:00      
         incomplete answer            01/01/70 00:00      
         200 mw 7seg, 89c51 uC            01/01/70 00:00      
      Current capabilities            01/01/70 00:00      
         ok i will use 15 mA of 7 seg            01/01/70 00:00      
            Think about it            01/01/70 00:00      
               Ghosting effect            01/01/70 00:00      
                  Yes, that's what I was thinking            01/01/70 00:00      
   how can i show my scimatic diagram            01/01/70 00:00      
      Newbie's Guide            01/01/70 00:00      
    please dear any one advise me            01/01/70 00:00      
      no one can            01/01/70 00:00      
      Some advice            01/01/70 00:00      
      Wrong way up!!            01/01/70 00:00      
         Common-Cathode and Common-Anode            01/01/70 00:00      
      Make a start            01/01/70 00:00      
   AT89c51            01/01/70 00:00      
   look up in the datasheet what is the max            01/01/70 00:00      
      i am using just for practice            01/01/70 00:00      
         I do not know what micro understands            01/01/70 00:00      
            how can its impossible            01/01/70 00:00      
               that's it            01/01/70 00:00      
                  :( i think i am so duffer            01/01/70 00:00      
                     that is not eben english            01/01/70 00:00      
                        ok now tel me that            01/01/70 00:00      
                           datasheet ?            01/01/70 00:00      
                           that does not matter            01/01/70 00:00      
                     English            01/01/70 00:00      
   you should be a novice like me            01/01/70 00:00      
      i will try my best for this mistakes :)            01/01/70 00:00      
         Internet is not SMS            01/01/70 00:00      
         some ideas            01/01/70 00:00      
            Eh???            01/01/70 00:00      

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