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???
08/15/05 14:36
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 		 #99443 - no no = yes
Responding to: ???'s previous message
Erik said:
Even that is not "totally" equivalent if there is no clear RAM routine in the startup.
I said:
No, RAM is untouched upon RESET in '51.
Erik said:
You say "no" and agree
I meant: "NO, it IS equivalent as for RAM, as reset nor jmp 0 don't clear RAM, (so no RAM clearing is needed to be jmp 0 equivalent to reset)."

Erik said:
That "little glitch" that slipped through in the coding.

Ah so. Certainly. I thought you mean a hardware glitch - maybe on some output line (may happen in such case, but as it's "emergency", it shouldn't matter methink). But the OP rejected the WD timeout (for his - certainly arguable - reasons), that's why I elaborated on the interrupt idea further.

Jan Waclawek


List of 31 messages in thread
TopicAuthorDate
Interrupt question            01/01/70 00:00      
   Interrupt            01/01/70 00:00      
      then how?            01/01/70 00:00      
         One way is to            01/01/70 00:00      
            Little more description            01/01/70 00:00      
               Routine            01/01/70 00:00      
   interrupt exit            01/01/70 00:00      
      tried but gives error            01/01/70 00:00      
         assembler???            01/01/70 00:00      
            Assembler is Pinnacle            01/01/70 00:00      
               go to Pinnacle support            01/01/70 00:00      
               Asking for solutions            01/01/70 00:00      
      Now THAT was elegant!            01/01/70 00:00      
   use WDT to RESET the micro            01/01/70 00:00      
   some comments            01/01/70 00:00      
      Its like this            01/01/70 00:00      
         Emergency stop            01/01/70 00:00      
            I understand            01/01/70 00:00      
               If you REALLY want to do it            01/01/70 00:00      
                  optimizing            01/01/70 00:00      
                  possible troubles            01/01/70 00:00      
                     excellent point!            01/01/70 00:00      
                        This is not a solution            01/01/70 00:00      
                           Do it as you wish            01/01/70 00:00      
                              Makes sense            01/01/70 00:00      
                              the consensus last time was that the onl            01/01/70 00:00      
                                 WD reset - yes, why not            01/01/70 00:00      
                                    You say "no" and agree            01/01/70 00:00      
                                       no no = yes            01/01/70 00:00      
                                    Watchdog output            01/01/70 00:00      
                              Thanks, Done            01/01/70 00:00      

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