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Problem with connecting two MSP430 as theres no signal

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sanji

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Connecting two MSP430

PLEASE HELP ME!!!!
Friday I have to consign a project for manage a serial communication between two MSP430 but I have a big last problem. In simulation it's all ok but during the real connection there's no signal on the serial cable. I defined a personal protocol using pins of general port P0, I can't use UART protocol!
Someone can give me an example of assembly code for write a signal on a specific pin???
I used expressions as:

MOV.B @R6, P1OUT
MOV.B R5, P2OUT

but there's no responce on the cable

Thaks a lot for the help!!!!
 

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