Transcribed Image Text: Q4: Sketch the wiring and write program by Mikro C which changes the state of PORTB after click push button? Q5: If
Transcribed Image Text: Q4:
Sketch the wiring and write program by Mikro C which changes the state of PORTB after click
push button?
Q5:
If the external frequency of PIC 161877A is 4MHZ.
ORG
0x0000
banksel TRISB
CLRF TRISB
banksel PORTB
loop
MOVLW B’00000000′
MOVWF PORTB
CALL tempo
MOVLW B’11111111′
MOVWF PORTB
CALL tempo
goto loop
tempo
movly 4
movwf H’33’
boucle3
clrf H’34’
boucle2
clrf H’35’ 1 (1)
(23644 a256)+caa256
boucle1
nop 1
decfsz H’35’ 2
goto bouclel C
decfsz H’34’.
0oto bouclez
decfsz H’335
goto boucle3
return
END
Calculate the time for executing one sycle ?
How many cycles and time needs the subprogram tempo for executing?
Explain and scetch the main function of this program?
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