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03/02/06 09:10
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#111041 - ISP hardware AT89C51ED2
Please could someone help me with UART interface for ISP of AT89C51ED2.
What is hardware schematic for ISP of that controller, with serial port.
I have tried to use Max232 to convert EIA levels of serial port to TTL levels, but I haven't succesed.
What do I have to do with PSEN pin of mcu.
Please send me schematic for ISP or link for schematic or something related to that topic.
Thank you all for help.

List of 5 messages in thread
TopicAuthorDate
ISP hardware AT89C51ED2            01/01/70 00:00      
   ISP            01/01/70 00:00      
      thank            01/01/70 00:00      
         FLIP            01/01/70 00:00      
   Did you place it correctly ?            01/01/70 00:00      

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