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Hi all, I have written a program in VC++ to write a char array of 13 bytes on COM port using 9600-N-8-1 parameters. when i send this to my target device it responds, but same program when i send through 89S51 my device does not respond.To set 9600-N-8-1 i have written 0xFD value. Can anyone no the reason for such strange behaviour. Please let me know.... rutu.
Milan G asked higher up in this thread "Do You have correct HW? ->MAX232..." You never answered I am starting to suspect that you are one of those "no RS232 transciever is required" ill informed people. Erik