em78p372n_pwm1.dt

义隆EM78P372N资料

;**********************************************************************
;PWM1 输出1KHz的方波
;**********************************************************************
;MCU:EM78P372N
;Oscillator:IRC 4MHz
;Clock:2
;WDT: Disable
;编译软件:eUIDE version 1.02.09.07

INCLUDE "EM78P372N.INC"
	ORG		0X00
	JMP		INITIAL  
	ORG		0X50
INITIAL:
	WDTC
	DISI	
	BS		S_BANK
	MOV		A,@0X7F
	MOV		SCR,A			;选择4MHz,TIMER 选择主频
	BC		S_BANK
	BC		IOCS
	MOV		A,@0X00
	IOW		P6CR			;设定P67为输出口，初始状态为高电压位       
	BS		S_BANK			;切换到bank 1
	MOV		A,@0B00000100
	MOV		TMRCON,A
	MOV		A,@0B00000001	;使能PWM1
	MOV		PWMCON,A
	MOV		A,@249
	MOV		PRD1,A
	MOV		A,@125
	MOV		DT1,A
	BS 		T1EN			;定时器1定时开始
	BC		S_BANK			;切换到bank 0
	JMP		$				;无穷循环