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???
08/05/06 06:19
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 		 #121683 - another circuir
Responding to: ???'s previous message
basicly that circuit will work. you must consider the max length 10 cm cable from isp module to microcontroller.
you can find another circuit which more simple at code library in this site.
http://www.8052.com/codelib/89s-isp.rar or http://www.8052.com/codelib/EaseMicro51

List of 26 messages in thread
TopicAuthorDate
isp programmer for at89s52            01/01/70 00:00      
   another circuir            01/01/70 00:00      
   74HC541?            01/01/70 00:00      
   Same Same            01/01/70 00:00      
      Not Quite! Be careful            01/01/70 00:00      
   AT89ISP ?            01/01/70 00:00      
   isp and at89s52 - once morre            01/01/70 00:00      
      Just buy the Atmel cable            01/01/70 00:00      
   Just Read this            01/01/70 00:00      
      Happy fumbling...            01/01/70 00:00      
      and who gives a friggin hoot except those that            01/01/70 00:00      
         Wonderful...            01/01/70 00:00      
   everybody inventing a better mousetrap            01/01/70 00:00      
   74hct244e            01/01/70 00:00      
      Why can't you read the links we gave you??            01/01/70 00:00      
   pin numbers of auto and ini of db25?            01/01/70 00:00      
      Here's what I've got ...            01/01/70 00:00      
         not able to map db25 pin config to atmel isp cable            01/01/70 00:00      
            pin 14            01/01/70 00:00      
               check the spec's ...            01/01/70 00:00      
            And what I said is...            01/01/70 00:00      
            Consider this...            01/01/70 00:00      
               Exactly!            01/01/70 00:00      
            READ THE LINKS, WE GAVE YOU!!!!            01/01/70 00:00      
   74vhc244 samples :-(            01/01/70 00:00      
      You might try this...            01/01/70 00:00      

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