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05/31/03 07:44
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#47093 - serial communication with AT89C2051
Hi there ,
I have been able to porgramm a AT89C2051. I am able to read and write to the two ports of the mcu but the RS232 communication to the pc is not working the same program is working for a AT89S8252 on the same board.
i am using timer 2 in auto reload mode .
can some one help me with the problem. If i connect a led to the txd pin i can see it flickring. but there is no responce on the pc, althought the same configuration is working on the 89s8252

vinod

List of 14 messages in thread
TopicAuthorDate
serial communication with AT89C2051            01/01/70 00:00      
   RE: serial communication with AT89C2051            01/01/70 00:00      
      RE: serial communication with AT89C2051            01/01/70 00:00      
   RE: serial communication with AT89C2051            01/01/70 00:00      
      RE: serial communication with AT89C2051            01/01/70 00:00      
         RE: serial communication with AT89C2051            01/01/70 00:00      
            RE: serial communication with AT89C2051            01/01/70 00:00      
               RE: serial communication with AT89C2051            01/01/70 00:00      
            RE: serial communication with AT89C2051            01/01/70 00:00      
               still not sucessful            01/01/70 00:00      
   RE: serial communication with AT89C2051            01/01/70 00:00      
      RE: serial communication with AT89C2051            01/01/70 00:00      
   RE: serial communication with AT89C2051            01/01/70 00:00      
   Try this code            01/01/70 00:00      

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