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???
12/04/07 19:32
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 		 #147864 - Only I can tell is, ...
Responding to: ???'s previous message
...that the output signals' edges are waayyy steeper in EPP mode, which is fundamental when using the printer port as ISP-interface, like I do when programming the AT89S52.

Kai

List of 30 messages in thread
TopicAuthorDate
... ahem .... Has anyone used EPP mode lately?            01/01/70 00:00      
   EPP for what ? programming 8051            01/01/70 00:00      
      for ANYTHING at all            01/01/70 00:00      
         Its fast            01/01/70 00:00      
            Maybe, but ...            01/01/70 00:00      
   Scanners?            01/01/70 00:00      
      did you build the scanner?            01/01/70 00:00      
         Oh, I see            01/01/70 00:00      
   we've used it in the miniLA project            01/01/70 00:00      
      perhaps you've underestimated it            01/01/70 00:00      
         What's your PC programming environment?            01/01/70 00:00      
            I don't trust Windows ...            01/01/70 00:00      
               good idea - if ...            01/01/70 00:00      
                  With LPT in EPP mode ...            01/01/70 00:00      
                     that's not quite the case            01/01/70 00:00      
                  Windows doesn't like direct I/O            01/01/70 00:00      
                     there are ways...            01/01/70 00:00      
                        That's one of many pages ...            01/01/70 00:00      
                        inpout32.dll            01/01/70 00:00      
                           Really?            01/01/70 00:00      
                              It\'s moot, since I don\'t use Windows for that            01/01/70 00:00      
            Too much hassle            01/01/70 00:00      
               If only USB were fast enough ...            01/01/70 00:00      
               the workhorse            01/01/70 00:00      
   Only I can tell is, ...            01/01/70 00:00      
      Interesting ...            01/01/70 00:00      
         Believe me, I was also surprised!            01/01/70 00:00      
            '245's are schmidt triggered, aren't they?            01/01/70 00:00      
               schmitt trigger on '245?            01/01/70 00:00      
                  There must be room for doubt ...            01/01/70 00:00      

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