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???
04/25/06 19:08
Modified:
  04/25/06 19:09
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 		 #115022 - a lot
Responding to: ???'s previous message
If i do it this way would things be simpler?

sveral times simpler

then you can connect the lines directly as indicated in the datasheet (PG12?) JUST to clarify, in that case you leave ALE on the uC OPEN!

Erik

List of 61 messages in thread
TopicAuthorDate
Interfacing A/D with 8031            01/01/70 00:00      
   what does the read the ADC code look lik            01/01/70 00:00      
      planning ..            01/01/70 00:00      
         I hope you mean flash/eprom            01/01/70 00:00      
            Thank you            01/01/70 00:00      
               well, i don't either            01/01/70 00:00      
                  Thanks Erik ..            01/01/70 00:00      
   There might be some problems            01/01/70 00:00      
      Some time ..            01/01/70 00:00      
      3 micro?            01/01/70 00:00      
         Yep ... you're right!            01/01/70 00:00      
      Explain a few things ...            01/01/70 00:00      
         updated but not finished schematic            01/01/70 00:00      
            Interrupt            01/01/70 00:00      
            address/data wiring is still wrong            01/01/70 00:00      
   Keep you updated ..            01/01/70 00:00      
      just a recomme3ndation            01/01/70 00:00      
   the ALE f/f is wrong, use MMIO            01/01/70 00:00      
      new chip ..            01/01/70 00:00      
         a lot            01/01/70 00:00      
   a few mins ..            01/01/70 00:00      
      if you are going to use the 87            01/01/70 00:00      
         i will            01/01/70 00:00      
            you will not need the 373            01/01/70 00:00      
               Different ...            01/01/70 00:00      
                  get rid of that @#&$# ALE F/F            01/01/70 00:00      
                     I apologize ...            01/01/70 00:00      
                        a "fun idea"            01/01/70 00:00      
                           Much thanx ...            01/01/70 00:00      
                              This could have been simpler            01/01/70 00:00      
                                 Thats what i thought!            01/01/70 00:00      
                           updated schematic            01/01/70 00:00      
                              you forgot to attach the ALE to the 7474            01/01/70 00:00      
                                 ALE shouldnt exist ....            01/01/70 00:00      
                                    Yup, that's right ...            01/01/70 00:00      
                                 oh ...            01/01/70 00:00      
                                    FINAL PLANS ...            01/01/70 00:00      
                                       Re: FINAL PLANS            01/01/70 00:00      
                                          Thank you            01/01/70 00:00      
                                          8051 pin configuration            01/01/70 00:00      
                                             a) it is impossible, b) why do you not f            01/01/70 00:00      
                                       just one comment            01/01/70 00:00      
                                          Liverpool USA?            01/01/70 00:00      
                                             New York?            01/01/70 00:00      
                                                Morrisville = Liverpool?            01/01/70 00:00      
                                          I live in ...            01/01/70 00:00      
   one more thought            01/01/70 00:00      
      updated schematic            01/01/70 00:00      
         get rid of the RC reset, use a superviso            01/01/70 00:00      
            found out ..            01/01/70 00:00      
               no, 666kHz            01/01/70 00:00      
                  WOW ...            01/01/70 00:00      
                     if you were serious about this ...            01/01/70 00:00      
                        a $2 LPC3xx would do nicely            01/01/70 00:00      
                           Definitly..            01/01/70 00:00      
                           That's not quite what I said, Erik            01/01/70 00:00      
                              huge problem ...            01/01/70 00:00      
                                 I see how this is confusing            01/01/70 00:00      
                                 Erik's right ... it's a poor spec'            01/01/70 00:00      
                                    knowledge            01/01/70 00:00      
                                       First lesson            01/01/70 00:00      

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