If everything else is right, | Microcontroller › 8051 › serial communication between pc and AT89c52 › If everything else is right, May 11, 2012 at 2:44 pm #7764 AJISH ALFREDParticipant If everything else is right, I guess the problem might be there in the data type of the variable you are using. Well I’m not sure, anyway try changing the data type of ‘a’ to char a, or int a.
