11.2 12位ad转换器ad578ad678ad1678接口.txt

里面有好多的原码,大家都来下载.用asm编写的

START:
MOV 	DPTR,#9000H				
MOVX  	DPTR,A
LOOP:
MOVX 	A,@DPTR						
JB 		ACC.7,LOOP
MOVX 	A,@DPTR						
MOV 	20H,A
MOV 	DPTR,#6000H					
MOVX 	A,@DPTR						
MOV 	21H,A
RET