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???
07/27/07 15:52
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#142442 - few details required
Responding to: ???'s previous message
I would like to know the importance of the "voltage detection block" in the Atmel Schematic shown in the below link. Will my micro be programmed if i neglect it?

http://www.8052.com/users/Suresh/isp_schematic.pdf

Secondly, how the "busy" signal is useful? It just connects pin 9 to pin 11 through buffer. What is the use of it?

and what is the use of "INIT" and "Auto" signals coming from the parallel port? I hope its not used for programming 8051 derivatives. Is it so?

Thanks!

Suresh.





List of 15 messages in thread
TopicAuthorDate
AT89 ISP            01/01/70 00:00      
   alternative            01/01/70 00:00      
      I found this in this forum            01/01/70 00:00      
      your link was helpful!            01/01/70 00:00      
   Why do so many people "search" rather than "use"            01/01/70 00:00      
      why does it fail            01/01/70 00:00      
         So it's ATMEL's fault?            01/01/70 00:00      
            it\'s not just Atmel            01/01/70 00:00      
      Thank you..            01/01/70 00:00      
   few details required            01/01/70 00:00      
      Either build and use what they recommend, or quit!            01/01/70 00:00      
         and ..            01/01/70 00:00      
            There\'s been a lot of discussion about this ...            01/01/70 00:00      
            also            01/01/70 00:00      
            Ok. Thank you.            01/01/70 00:00      

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