SELVARAJ PROJECT PUBLLIC ADVERTISEMENT DISPLAY USING MULTIPLEXED 16 SEGMENT LED.doc
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Transcript of SELVARAJ PROJECT PUBLLIC ADVERTISEMENT DISPLAY USING MULTIPLEXED 16 SEGMENT LED.doc
Dear selvaraj sir,
Create the above hardware in proteus using the component 16SEG-MPX8CC-RED, resistor pack 8bit, copy and paste the program given below to the keil uvision you will get your name display with blinking.
Rest of the details project abstract, concept details I am under preparing. I will give that with in Wednesday.
Thanking you,
PROGRAM:org 0000h
return:
mov r7,#0ffh
mov r3,#0ah
mov p2,#00
mov p3,#00
mov p0,#0ffh
cpl p0.7
main:
cpl p0.7
mov p2,#0bbh
mov p3,#88h
cpl p0.0
acall delay
cpl p0.0
mov p2,#0f3h
mov p3,#88h
cpl p0.1
acall delay
cpl p0.1
mov p2,#0f0h
mov p3,#00h
cpl p0.2
acall delay
cpl p0.2
mov p2,#0c0h
mov p3,#44h
cpl p0.3
acall delay
cpl p0.3
mov p2,#0cfh
mov p3,#88h
cpl p0.4
acall delay
cpl p0.4
mov p2,#0c7h
mov p3,#98h
cpl p0.5
acall delay
cpl p0.5
mov p2,#0cfh
mov p3,#88h
cpl p0.6
acall delay
cpl p0.6
mov p2,#23h
mov p3,#22h
cpl p0.7
acall delay
djnz r7,main
djnz r3,main
mov p0,#0ffh
acall delay2
sjmp return
delay:
mov tmod,#02h
mov th0,#0ffh
setb tr0
back: jnb tf0,back
clr tr0
clr tf0
ret
delay2:
mov r6,#07
mov tmod,#10h
go1:
mov th1,#01
mov tl1,#08
setb tr1
back3:jnb tf1, back3
clr tr1
clr tf1
djnz r6,go1
ret
end