c8051f330_test.asm

串口通讯 实现F330串口初始化.对看门狗,等的设置 以及检测单片机的各管脚的好坏

				EIE1	EQU	  0E6H
				EIP1	EQU	  0F6H
				OSCICL	EQU	  0B3H
				OSCICN	EQU   0B2H
				CLKSEL	EQU	  0A9H
				P0MDIN	EQU	  0F1H
				P0MDOUT	EQU	  0A4H
				P0SKIP	EQU  0D4H
				P1MDIN	EQU	  0F2H
				P1MDOUT	EQU	  0A5H
				P1SKIP	EQU	  0D5H
				P2MDOUT EQU	  0A6H
				XBR0	EQU	  0E1H
				XBR1	EQU	  0E2H
				CKCON	EQU	  8EH	       ;时钟控制寄存器
				PCA0MD	EQU  0D9H		   ;PCA方式寄存器		(看门狗)
				AMX0N	EQU	  0BAH		   ;AMUX0负通道选择寄存器
				AMX0P	EQU	  0BBH		  ;AMUX0正通道选择寄存器
				ADC0H	EQU	  0BEH
				ADC0L	EQU   0BDH
				ADC0CF	EQU	  0BCH		   ;ADCO配置寄存器
				ADC0CN	EQU	  0E8H		   ;ADC0控制寄存器	  

;--------------变量定义-------------------	
				NUM_T0  EQU		30H
				BUF_SF1L EQU	31H
				BUF_SF1H EQU	32H
				BUF_SF2L EQU    33H
				BUF_SF2H EQU	34H 
				BUF_O2L  EQU	35H
				BUF_O2H	 EQU	36H
				BUF_TML  EQU	37H
				BUF_TMH	 EQU	38H

				AD0BUSY EQU    0ECH
				AD0INT  EQU    0EDH
				FLAG_T0	EQU		00H
				FLAG_P	EQU		01H
				FLAG_SF	EQU		02H

;-----------------------------------------------
		        ORG		0000H
				AJMP	MAIN 

;--------------------------------------------------------------------
				ORG     80H	
		MAIN:	MOV	    PCA0MD, #80H   ;关闭看门狗
				MOV 	OSCICN, #83H		; 内部时钟     不分频
				MOV		CLKSEL, #00H		 ;选择内使用部高频时钟

			;	MOV		P0MDIN, #0FFH	  
				MOV		P0MDIN,	#0FEH	 ;1111 1110 B
				MOV		P0MDOUT,#00H	   ;漏极开路输出
				;MOV		P1MDIN, #0FFH 			
				MOV		P1MDIN, #0C3H      ;1100 0011 B
				MOV		P1MDOUT,#000H	  ;漏极开路输出
				MOV		P0SKIP, #0FFH
				MOV		P1SKIP, #0FFH
				MOV		P2MDOUT,#00H
				MOV		XBR0,	#01H	  ;
				MOV		XBR1,	#40H      ;0100 0000 B		  交叉开关使能		 
				
				MOV		NUM_T0,	#00H
				MOV		BUF_SF1L,#00H
				MOV		BUF_SF1H,#00H
				MOV		BUF_SF2L,#00H
				MOV		BUF_SF2H,#00H
				MOV		BUF_O2L, #00H
				MOV		BUF_O2H, #00H
				MOV		BUF_TML, #00H
				MOV		BUF_TMH, #00H
				CLR		FLAG_T0						
				CLR		FLAG_P
				CLR		P1.0
				CLR		P1.1  		    
				
				MOV		EIE1,	#00H
				MOV		EIP1,	#00H
				MOV		IP,		#00H

				MOV		TMOD,	#01H  ;T0    T0方式一 16位
				MOV		CKCON,	#02H  ;T1T0 使用系统时钟的48分频   0.000002S
				MOV		TH0,	#3CH
				MOV		TL0,	#0B0H	 ;0.1 S

				MOV		ADC0CF,	#44H     ;01000 100B   2.72M转换时钟，数据左对齐
				MOV		ADC0CN,	#80H	 ;1000 0000 软件启动转换
				MOV		AMX0N,	#11H      ;10001  ADC工作在单端方式
								
	    LOOP:	SETB	P1.0
				CLR		P1.1
				AJMP	LOOP
;-------------------------------------------------
				END