Quote Originally Posted by aratti View Post
you did already experiment XIN without success, so you solved the problem decoding the X10 burst writing your own Rx routine.
Without success, if I interfaced the circuit directly with the mains, *without* a TW523. Yes, I did manage to decode the signal with my own routine, rather than XIN.

Quote Originally Posted by aratti View Post
More explicitely "XIN instruction doesn't work" and forget about fixing PBP XIN instruction, write your own Rx routine.
Not quite true; XIN does work, only when used with a TW523.

http://www.x10.com/products/x10_tw523.htm

Regards,

Anand