rohi
Newbie level 4
Hello
Can anyone help me ??
ITS URGENT!!!!
I am using Port0 of 89C51RD2 in my final year project
When i simulate my code,its working properly but when i burn the IC Port0 is latched up to 5V
Code:
ORG 0000H
MOV A,#00H
MOV P0,A
MOV A,#0AAH
BACK: MOV P0,A
ACALL DELAY
CPL A
SJMP BACK
DELAY:
MOV R7,#05H
LEB1:MOV R5,#0FFH
LEB2:MOV R6,#0FFH
AGAIN: DJNZ R6,AGAIN
DJNZ R5,LEB2
DJNZ R7,LEB1
RET
END
Can anyone help me ??
ITS URGENT!!!!
I am using Port0 of 89C51RD2 in my final year project
When i simulate my code,its working properly but when i burn the IC Port0 is latched up to 5V
Code:
ORG 0000H
MOV A,#00H
MOV P0,A
MOV A,#0AAH
BACK: MOV P0,A
ACALL DELAY
CPL A
SJMP BACK
DELAY:
MOV R7,#05H
LEB1:MOV R5,#0FFH
LEB2:MOV R6,#0FFH
AGAIN: DJNZ R6,AGAIN
DJNZ R5,LEB2
DJNZ R7,LEB1
RET
END