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???
02/14/07 22:24
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 		 #133001 - it is - till
Responding to: ???'s previous message
I agree, your method is not a big deal, nor is multiplexing, but for a small display, in this case, only ten characters, multiplexing is pretty easy.....
it is - till you start adding 'features' such as intensity regulation, scroll and whatever. For a banale display you may very well be right. However most banale displays suddenly get a requirement of ... and then a requirement of ... and suddenly you regret the decision to multiplex.

Another issue of multiplexing is that is is just about the best EMI generator I know of.

The one multiplexed display board I have in my 'arsenal' (the 'simple' one) is left by the wayside for some installations, simply because some features can not be implemented. Next generation will have no multiplexed displays.

Erik

List of 29 messages in thread
TopicAuthorDate
Dot matrix display AT89S52 based            01/01/70 00:00      
   Maxim            01/01/70 00:00      
   have a look at            01/01/70 00:00      
   in my calculator...            01/01/70 00:00      
      I calculated it as            01/01/70 00:00      
         no, just old fashioned            01/01/70 00:00      
            The a6278 looks good            01/01/70 00:00      
               The sole concern here is HEAT!            01/01/70 00:00      
                  Heat is not going to be a problem            01/01/70 00:00      
                     I'd go with whicever your distributor has in stock            01/01/70 00:00      
                        Ok, I\'ll go with the A6278            01/01/70 00:00      
                           can't help you            01/01/70 00:00      
                              I can be reached at            01/01/70 00:00      
                                 info mailed            01/01/70 00:00      
                                    Thanks Erik            01/01/70 00:00      
                     This can be done VERY simply ...            01/01/70 00:00      
                        HUH?            01/01/70 00:00      
                           There are lots of unasked questions ...            01/01/70 00:00      
                              for a beginner...            01/01/70 00:00      
                                 will do - or will not            01/01/70 00:00      
                              it is - till            01/01/70 00:00      
                     RE ABOUT YOUR ?            01/01/70 00:00      
                        That's very kind of you,            01/01/70 00:00      
                        the phrase that comes to mind is            01/01/70 00:00      
         Multiplexed pins            01/01/70 00:00      
            I ceed to Erik            01/01/70 00:00      
               with a caveat            01/01/70 00:00      
         not quite so wrong...            01/01/70 00:00      
   Aside: ports and pins            01/01/70 00:00      

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