In Hyper Terminal, there is no response when i send data from micro controller(89c52) through rs232. The following diagram is one of the circuit ( i checked UART communication and everything is ok). but i don't know what i doing wrong. please any one tell me what is the reason. i am using proteus,virtual serial port.
thanks for your reply . yes i was tried it before. i tried like in following diagram. is that is correct. or any other problems there.View attachment 85484
try putting in an rs232 interface chip between uC and the rs232 port, like i said. clearly your software knows there is a mismatch and is giving you an error/ warning.
i can get some output from max232. but i can't check in hyper terminal, is that working or not?
(note : i am using window7 64bit, there was no hyper terminal. so i copied that file from windows xp and then i am working on it). tell me now what is the problem (i used max232 also)