Saturday, August 27, 2011

WAP for 8051 to transfer letter 'A' serially continuously


START : MOV A, #'A' ; ASSIGN A WITH SERIAL DATA
; P1.1 IS USED
MOV R7, #08H ; COUNTER OF 8 AS ACCUMULATOR OF 8 BIT
BACK : RRC A ; ROTATE BITS THROUGH CY
MOV P1.1, C ; TRANSFER CONTENTS OF CARRY TO PORT PIN
DJNZ R7, BACK ;
SJMP START ;
END

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