Assembly code for Serial Communication


Sample code for Serial Communication
Following code can be using for 8051 and 8052 ICs like: 89c51, 89c52, 89s51, 89s52, 89c2051. 

 

;==========================================================
; Main Program starts from here
;==========================================================
pc_star   mov scon,#50h
                mov tmod,#21h
                mov th1,#f4h
                mov tl1,#f4h
                setb tr1

                mov a,#'A'
                mov sbuf,a
                jnb ti,$

                clr ti
                ret
;=====================================================
;      	Program ENDS here
;=====================================================