基于at89c51單片機(jī)的數(shù)字式低頻信號發(fā)生器畢業(yè)設(shè)計(jì)(完整版)
【正文】 MOV A,0xFF MOVx DPTR,A LCALL DELAY LJMP LOOP 。在實(shí)踐當(dāng)中，靈活運(yùn)用書本上所講的知識，萬變不離其中，只有扎實(shí)掌握了核心的方法，才有可能做到活用巧用。*********正弦波 ******** ZX: DA01 : MOV R7,0FFH MOV DPTR ,TAB DA02 : MOV A , 0H MOVC A , A+DPTR MOV R0,DPL MOV R1,DPH MOV DPTR,7FFFH MOVX DPTR, A MOV DPL,R0 MOV DPH,R1 INC DPTR DJNZ R7,DA02 LJMP DA01 TAB : DB 80H,83H,86H,89H,8DH,90H,93H,96H DB 99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH DB 0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H DB 0C7H,0CAH,0CCH,0CFH,0D1H, 0D4H,0D6H,0D8H 四川信息職業(yè)技術(shù)學(xué)院畢業(yè)設(shè)計(jì)說明書 第 7 頁 DB 0DAH,0DDH,0DFH,0E1H,0E3H, 0E5H,0E7H,0E9H DB 0EAH,0ECH,0EEH,0EFH,0F1H, 0F2H,0F4H,0F5H DB 0F6H,0F7H,0F8H,0F9H,0FAH, 0FBH,0FCH,0FDH DB 0FDH,0FEH,0FFH,0FFH,0FFH, 0FFH,0FFH,0FFH DB 0FFH,0FFH,0FFH,0FFH,0FFH, 0FFH,0FEH,0FDH DB 0FDH,0FCH,0FBH,0FAH,0F9H, 0F8H,0F7H,0F6H DB 0F5H,0F4H,0F2H,0F1H,0EFH, 0EEH,0ECH,0EAH DB 0E9H,0E7H,0E5H,0E3H,0E1H, 0DEH,0DDH,0DAH DB 0D8H,0D6H,0D4H,0D1H,0CFH, 0CCH,0CAH,0C7H DB 0C5H,0C2H,0BFH,0BCH,0BAH, 0B7H,0B4H,0B1H DB 0AEH,0ABH,0A8H,0A5H,0A2H, 9FH, 9CH, 99H DB 96H, 93H, 90H, 8DH, 89H, 86H, 83H, 80H DB 80H, 7CH, 79H, 78H, 72H, 6FH, 6CH, 69H DB 66H, 63H, 60H, 5DH, 5AH, 57H, 55H, 51H DB 4EH, 4CH, 48H, 45H, 43H, 40H, 3DH, 3AH DB 38H, 35H, 33H, 30H, 2EH, 2BH, 29H, 27H DB 25H, 22H, 20H, 1EH, 1CH, 1AH, 18H, 16H DB 15H, 13H, 11H, 10H, 0EH, 0DH, 0BH, 0AH DB 09H, 08H, 07H, 06H, 05H, 04H, 03H, 02H DB 02H, 01H, 00H, 00H, 00H, 00H, 00H, 00H DB 00H, 00H, 00H, 00H, 00H, 00H, 01H, 02H DB 02H, 03H, 04H, 05H, 06H
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鄂ICP備17016276號-1