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???
04/06/06 05:49
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Msg Score: +1
 +1 Good Answer/Helpful		 #113697 - RS232
Responding to: ???'s previous message
hi,

Gopalakrishnan Narayanan said:
If you want to program directly from serial port without aany extra external hardware but the philips 89v51RD2.


What is about level converter IC like MAX221/232 etc? You should not connect RX and TX of MCU to COM-port of PC.

Regards,
Oleg

List of 8 messages in thread
TopicAuthorDate
Programming AT89S52 using sesrial port            01/01/70 00:00      
   options            01/01/70 00:00      
   Serial            01/01/70 00:00      
      Micro            01/01/70 00:00      
      help me            01/01/70 00:00      
   Philips 89v51            01/01/70 00:00      
      RS232            01/01/70 00:00      
         missed that part Sorry            01/01/70 00:00      

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