STC micro STC8A8K64D4 Series - Page 568

STC8A8K64D4 Series Manual
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LJMP MAIN
ORG 0100H
MAIN:
MOV SP, #5FH
MOV P0M0, #00H
MOV P0M1, #00H
MOV P1M0, #00H
MOV P1M1, #00H
MOV P2M0, #00H
MOV P2M1, #00H
MOV P3M0, #00H
MOV P3M1, #00H
MOV P4M0, #00H
MOV P4M1, #00H
MOV P5M0, #00H
MOV P5M1, #00H
MOV PWMSET,#01H ;Enable PWM module (The configuration is effective only after the module is
enabled.)
MOV P_SW2,#80H
CLR A
MOV DPTR,#PWMCKS
MOVX @DPTR,A ;The clock of PWM is the system clock
MOV A,#10H
MOV DPTR,#PWMCH ;Set the PWM cycle to 1000H PWM clocks
MOVX @DPTR,A
MOV A,#00H
MOV DPTR,#PWMCL
MOVX @DPTR,A
MOV A,#01H
MOV DPTR,#PWM0T1H ;At the count value of 100H, the PWM0 channel outputs low level.
MOVX @DPTR,A
MOV A,#00H
MOV DPTR,#PWM0T1L
MOVX @DPTR,A
MOV A,#05H
MOV DPTR,#PWM0T2H ;At the count value of 500H, the PWM0 channel outputs high level.
MOVX @DPTR,A
MOV A,#00H
MOV DPTR,#PWM0T2L
MOVX @DPTR,A
MOV A,#80H
MOV DPTR,#PWM0CR ;enable PWM0 output
MOVX @DPTR,A
MOV P_SW2,#00H
MOV PWMCFG,#01H ;Start PWM module
JMP $
END