Hi, I'm using a 8xC251TB microcontroller board. I am running an application that gets a character from the external UART and echoes it back. The program runs fine when I download it on the target and execute it. I then tried to use Monitor utility for debugging the program on the target. The program is loaded successfully but when I execute it here my application doesn't work. I then tried to step by step execute it but it gets stuck at point of assigning the value to SCON saying Command 'StepOne()' Timeout Command 'GetRegs()' Timeout Command 'ReadBlock()' Timeout Also the values of registers TCON, TMOD are not being correctly reflected. Any suggestions ? regards, Vipin