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???
02/23/05 15:23
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#88224 - Re: The same clock.
Responding to: ???'s previous message
Dear Erik,

Thanks for your reply,

I do not know which derivative you use but:
ALE is 'skipped' ocasionally - no good


Thanks for reminding me the ALE skipped during external memory access. My system wont be using any external memory. I am using P89V51RD2 for this system. and it doesnt have a SYSCLK output.

I was more inclined towards using ALE, PCA, T2 CLK OUT becuase a good oscillator wont be available at local market and I will have to get it through RS and that will take no less than 2 weeks. But If these tricks are not good enough I will have to wait. :((

Regards,
Prahlad Purohit





List of 50 messages in thread
TopicAuthorDate
HCTL-2020 in India?            01/01/70 00:00      
   optical interface            01/01/70 00:00      
      Forum Abuse.            01/01/70 00:00      
      what is wrong            01/01/70 00:00      
   google get you there            01/01/70 00:00      
      MOQ too high.            01/01/70 00:00      
         Good Questions get Good answers            01/01/70 00:00      
            I saw it            01/01/70 00:00      
   Bouncy inputs            01/01/70 00:00      
   got HCTL-2032 :-)            01/01/70 00:00      
      clock sharing            01/01/70 00:00      
         Re: Clock Sharing.            01/01/70 00:00      
      the same clock            01/01/70 00:00      
         Re: The same clock.            01/01/70 00:00      
            you missed            01/01/70 00:00      
               I think I am really missing something.            01/01/70 00:00      
                  clear as ink            01/01/70 00:00      
                     Re: Clear as ink.            01/01/70 00:00      
                        ah,            01/01/70 00:00      
                           Clear            01/01/70 00:00      
                           ...or            01/01/70 00:00      
               common clocks            01/01/70 00:00      
      ALE is great            01/01/70 00:00      
         ALE clock            01/01/70 00:00      
            ALE = fosc / 6 !            01/01/70 00:00      
               T2 max Fout= Fosc/2            01/01/70 00:00      
                  good idea            01/01/70 00:00      
                     fmax != xtal / 4            01/01/70 00:00      
                        You are right            01/01/70 00:00      
                        Oops Not Oleg, Peter            01/01/70 00:00      
                           use either            01/01/70 00:00      
   Karma ...            01/01/70 00:00      
      One Hot state machine            01/01/70 00:00      
         One hot            01/01/70 00:00      
   Index input in HCTL2032            01/01/70 00:00      
      Resets the counter            01/01/70 00:00      
         I dont want to reset.            01/01/70 00:00      
            Don't leave the index input floating            01/01/70 00:00      
               index input            01/01/70 00:00      
                  probably active high            01/01/70 00:00      
                  page 13 of the datasheet fig12            01/01/70 00:00      
            Cotact details.            01/01/70 00:00      
   Obsolescence Notice !!!            01/01/70 00:00      
      Obsolescence of lead            01/01/70 00:00      
         really the same PCN ???            01/01/70 00:00      
            that is strange            01/01/70 00:00      
   Production            01/01/70 00:00      
   not even true            01/01/70 00:00      
      two questions            01/01/70 00:00      
         practical use            01/01/70 00:00      

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