DAC0832产生正弦波C语言简单,单片机：DAC0832产生正弦波

要求：利用DAC0832产生正弦波

程序清单：

ORG 0000H

LJMP START

ORG 000BH

LJMP T0_0

ORG 0100H

START:MOV SP,#60H

MOV R0,#00H

MOV TMOD,#01H

MOV TL0,#0CEH

MOV TH0,#0FFH

SETB TR0

SETB ET0

SETB EA

SJMP $

T0_0:PUSH PSW

MOV TL0,#0CEH

MOV TH0,#0FFH

MOV A,R0

MOV DPTR,#TABLE

MOVC A,@A+DPTR

MOV DPTR,#8000H

MOVX @DPTR,A

MOV A,R0

INC A

MOV R0,A

CJNE A,#255,OUT0

MOV R0,#00H

OUT0:POP PSW

RETI

TABLE:DB

80H,83H,86H,89H,8DH,90H,96H,99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH,0B1H,0B4H

DB 0B7H,0BAH,0BDH,0BFH,0C2H,0C5H,0C7H,0CAH,0CDH,207,209,212,214,217,219,221,223,225

DB

227,229,231,233,235,236,238,240,241,243,244,245,246,248,249,250,251,252

DB

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