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???
03/30/07 18:42
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 		 #136188 - In the link
Responding to: ???'s previous message
that I gave you earlier, there was a list at the middle, Table 2

It should have a load capacitance of 12.5pF and ESR of 45k ohms (from the data sheet).

Jon

P.S. Did you try the pullup like Michael Karas said?
http://www.8052.com/forum/read.phtml?id=136167



List of 34 messages in thread
TopicAuthorDate
DS1307 back up problem            01/01/70 00:00      
   backup problem            01/01/70 00:00      
   To Pradheep            01/01/70 00:00      
      back up problem            01/01/70 00:00      
         Are you sure?            01/01/70 00:00      
   Are you sure...            01/01/70 00:00      
   Something else            01/01/70 00:00      
      To Jon            01/01/70 00:00      
         Have a look at this            01/01/70 00:00      
            seems?            01/01/70 00:00      
               Help me            01/01/70 00:00      
                  Extract fron the datasheet            01/01/70 00:00      
         Open Drain Output            01/01/70 00:00      
   Crystal            01/01/70 00:00      
      To a different kind?            01/01/70 00:00      
         crystal            01/01/70 00:00      
            In the link            01/01/70 00:00      
               pull up            01/01/70 00:00      
                  Yes, but...            01/01/70 00:00      
      Yes, looks like a poor crystal...            01/01/70 00:00      
         Power Up / Down            01/01/70 00:00      
            Problem Solved            01/01/70 00:00      
               Not so fast...            01/01/70 00:00      
                  'testing' revisited            01/01/70 00:00      
                     The same thought I !            01/01/70 00:00      
               request            01/01/70 00:00      
                  Learn to debug            01/01/70 00:00      
                     Very useful post, Andy!            01/01/70 00:00      
                        Other part of rule #1            01/01/70 00:00      
                        a great goal, do you achieve it every time ?            01/01/70 00:00      
                           Revision Letters            01/01/70 00:00      
                           Here's how            01/01/70 00:00      
                              and pay $25,000,000 to the descendants            01/01/70 00:00      
                        Hopefully, it leads that way            01/01/70 00:00      

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