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???
04/25/06 18:38
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 		 #115019 - Interrupt
Responding to: ???'s previous message
I'd put the echo signal into an interrupt pin rather than where you have it - otherwise you will spend a lot of time waiting or polling.

Use a decent reset generator too.

Steve

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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