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???
06/13/08 19:50
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 		 #155881 - I found a usable one
Responding to: ???'s previous message
I have an 89c51 which does let the in system programmer connect through serial when put in the training board (although its ALE signal resembles more a triangle wave than a square wave but anyway). I'll solder some 0.1uF capacitors on my project board right now and test the circuit again. I'll keep you updated.

Thanks again for all your help, I really do appreciate it.

Kai

List of 45 messages in thread
TopicAuthorDate
I'm getting insane! pls help!            01/01/70 00:00      
   I do not know much about Arghmel, but            01/01/70 00:00      
      >Arghmel<, Erik, are you crazy?            01/01/70 00:00      
         fair warning to all            01/01/70 00:00      
   Thanks for the props but....            01/01/70 00:00      
      have you tried changing the chip            01/01/70 00:00      
   Yep            01/01/70 00:00      
      the Arghmel users should wake up soon            01/01/70 00:00      
         The Problem Often Is The ...            01/01/70 00:00      
            I'll try that            01/01/70 00:00      
               But....            01/01/70 00:00      
                  What breed of MAX232?            01/01/70 00:00      
                     so...            01/01/70 00:00      
                        Trainer Board            01/01/70 00:00      
                           um quite similar...            01/01/70 00:00      
                        Your schema looks fine            01/01/70 00:00      
                           a strange thing has happened            01/01/70 00:00      
                              470uF            01/01/70 00:00      
                                 Just wanted to state the same            01/01/70 00:00      
                              It would have to be a very good 470uF cap ...            01/01/70 00:00      
                                 Richard??            01/01/70 00:00      
                                    What negative effect would that be?            01/01/70 00:00      
                                       let's do that, you start            01/01/70 00:00      
                        DEAD wrong            01/01/70 00:00      
   Oh uh......            01/01/70 00:00      
      Wrong Xtal may be            01/01/70 00:00      
         0.1uF ok then            01/01/70 00:00      
            Are you sure?            01/01/70 00:00      
               I found a usable one            01/01/70 00:00      
                  Did you find the reason            01/01/70 00:00      
                     still searching for the reason            01/01/70 00:00      
            Model of a capacitor            01/01/70 00:00      
         18.432MHz for Std Baud Rates ...            01/01/70 00:00      
   Shorts,shorts,shorts,            01/01/70 00:00      
      Pictures?            01/01/70 00:00      
         why is that?            01/01/70 00:00      
            Just Curious            01/01/70 00:00      
               Hey uh Jon i had already removed all socketed ICs            01/01/70 00:00      
      Vss for logical chips SHOULD be ground            01/01/70 00:00      
         Stupid me, i meant Vcc not Vss            01/01/70 00:00      
         Let\'s call this a day            01/01/70 00:00      
            Good Luck!            01/01/70 00:00      
               Thank you all            01/01/70 00:00      
   Boot loader running?            01/01/70 00:00      
      I'll try it tonight            01/01/70 00:00      

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