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Author Topic: Multiplexing 7 segment anode counter with pic16f84a  (Read 629 times)

Offline drag00n3333

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Multiplexing 7 segment anode counter with pic16f84a
« on: December 15, 2010, 12:45:29 AM »
Pa help nmn po...nid ko po kung paano papalabasin ung display sa dalawang 7 segment anode using pic16f84a and assembly code...
e2 po ung sample code....RA0-RA1 nka connect sa 2 seven segment anode and RB0-RB7 nkaconnect sa 7-segment leds...

Code: [Select]
processor 16f84a
include <p16f84a.inc>
__config _XT_OSC & _WDT_OFF & _PWRTE_ON
org   0

;initialization
bsf STATUS, RP0
movlw b'00011'
movwf TRISA
movlw b'00000000'
movwf TRISB
bcf STATUS, RP0

a1 equ h'65'
b2 equ h'66'
c3 equ h'67'

main:
movlw b'00001'
movwf PORTA
movlw b'10010000'
movwf PORTB
call delay
goto main


;subroutine
delay:
movlw 0xFF
movwf a1
movlw 0xFF
movwf b2
movlw 0xFF
movwf c3

loop1:
decfsz a1, f
goto loop1

loop2:
decfsz b2, f
goto loop2
decfsz c3,f
goto loop1
return

end

Sample code palang e2...sa code ko gus2 ko lng madisplay ung 1

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Multiplexing 7 segment anode counter with pic16f84a
« on: December 15, 2010, 12:45:29 AM »

 

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