-------3.2 TIMER DELAY #include <sfr51.inc> -----------------MAIN PROGRAM MAIN: MOV R6,#1 Ajustment:R6 start at#1 ACALL PWM_SETUP ACALL PWM SJMP MAIN PWM_SETUP: 11.0592M/12/256/240/30 = 2SEC MOV TMOD,#10H timer1, mode1 MOV TH0,#16 ---------SET DELAY VALUE MOV TL0,#00 11.0592M/12/256/240/30 = 2SEC RET PWM: SETB TR1 JNB F0,DO_LOW FLAG(F0) TO INDICATE DO_LOW/HIGH DO_HIGH: JNB TF1,$ WAIT FOR TF1 SET DJNZ R6,LEAVE LEAVE FROM SUBROUTINE IF R6 NOT ZERO SETB P1.0 MOV R6,#24 Ton=6/30=80

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