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???
10/10/06 18:49
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 		 #126140 - Can''t do it
Responding to: ???'s previous message
Jacob Boyce said:
Well, what if you need fast I/O, lets say 1 usec or better response on a standard 11-12MHz part?


Its impossible on a standard part, hung on the bus.

Steve



List of 69 messages in thread
TopicAuthorDate
Long Division            01/01/70 00:00      
   teach the kids the slide rule!!            01/01/70 00:00      
      I don't know about that slide-rule ...            01/01/70 00:00      
         not the point            01/01/70 00:00      
   We Homeschool our kids            01/01/70 00:00      
      Not "foundational"            01/01/70 00:00      
         8255 is DEAD            01/01/70 00:00      
            no, not "industry professionals "            01/01/70 00:00      
            Stupid though            01/01/70 00:00      
               Over here it was Whole Language Reading            01/01/70 00:00      
                  On the other hand ...            01/01/70 00:00      
                  Plus ca change            01/01/70 00:00      
            I am not so sure            01/01/70 00:00      
            the purpose of teaching 8255...            01/01/70 00:00      
               high-speed my butt            01/01/70 00:00      
                  have you read the footnote?            01/01/70 00:00      
            0xDEAD            01/01/70 00:00      
            what does DEAD mean?            01/01/70 00:00      
               some like kicking a dead horse            01/01/70 00:00      
                  that's why you don't do electronics as a hobby.            01/01/70 00:00      
                     not exacttly            01/01/70 00:00      
         It's a component of a microcomputer            01/01/70 00:00      
            memory is one thing, today is another            01/01/70 00:00      
               That\'s not quite true ...            01/01/70 00:00      
                  6 vs 2 clock            01/01/70 00:00      
                     I wasn't considering them ...            01/01/70 00:00      
                        but there is            01/01/70 00:00      
                           No doubt about it            01/01/70 00:00      
                              IIC recently upgraded to 1MHZ and I have run            01/01/70 00:00      
                                 Interesting ... what operates at that rate?            01/01/70 00:00      
                                    this and a HUH?            01/01/70 00:00      
                                       You've referred to that before, Erik ...            01/01/70 00:00      
                                          you are missing half the story and mixing            01/01/70 00:00      
                                             depends on what you compare            01/01/70 00:00      
                                                comparing            01/01/70 00:00      
                                                   some are ruled out ...            01/01/70 00:00      
                                                      the birth has happened            01/01/70 00:00      
                                                         uPSDs            01/01/70 00:00      
                                                         in the prototype area or ...            01/01/70 00:00      
                                                            Richard, how old are you?            01/01/70 00:00      
                                                               PSDs            01/01/70 00:00      
                                                                  isn't EVERYTHING ST makes with an MCU a uPSD?            01/01/70 00:00      
               Intel called them single-chip microcomputers            01/01/70 00:00      
                  greedy, are we?            01/01/70 00:00      
                     Yep ... greedy ... I need a 48KB buffer ...            01/01/70 00:00      
         fast I/O            01/01/70 00:00      
            Can''t do it            01/01/70 00:00      
               typo            01/01/70 00:00      
               It depends on what your definition of response is.            01/01/70 00:00      
                  I read the post the same way as Steve            01/01/70 00:00      
                     Perhaps, but the i8255 does it automatically            01/01/70 00:00      
                  No time            01/01/70 00:00      
                     That was my point!            01/01/70 00:00      
                        long story short            01/01/70 00:00      
                           move?            01/01/70 00:00      
                           take a look ...            01/01/70 00:00      
                        where do you buy that?            01/01/70 00:00      
                           Normally, the board determines that            01/01/70 00:00      
                              where did he say that?            01/01/70 00:00      
                                 Yes, it's a mystery ... but ...            01/01/70 00:00      
   Teaching Numeracy            01/01/70 00:00      
      Numeracy            01/01/70 00:00      
         That's where lots of education is lost ...            01/01/70 00:00      
   Two ways to do math            01/01/70 00:00      
   The 3 Rs            01/01/70 00:00      
      The middle \'R\'            01/01/70 00:00      
         when I were trined to be a spy ..            01/01/70 00:00      
            Fast block lettering            01/01/70 00:00      
               practice, practice            01/01/70 00:00      

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