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標題: 實現DAC0832的防焦波，方波，鋸齒波等波形輸出 [打印本頁]
作者: 被等待的夏天    時間: 2016-6-18 21:04
標題: 實現DAC0832的防焦波，方波，鋸齒波等波形輸出
實現波形輸出，帶仿真文件



  1. org 0000h
  2. ajmp main
  3. org 0030h
  4. main:mov   a,#00h
  5. clr p1.0
  6. clr p1.1
  7. jnb p3.0, zhengxuan
  8. jnb p3.1,juchi
  9. jnb p3.2,sanjiao
  10. sjmp MAIN

  12. sanjiao:
  13.             mov   a,#00h
  14.     clr  p1.0
  15.     clr  p1.1
  16.     loop:
  17.       mov   p0,a
  18.        inc  a
  19.         mov r0,#10h
  20.                  djnz   r0,$
  21.            jnb p3.0 , zhengxuan
  22. jnb p3.1,juchi      
  23.            sjmp  loop

  25.     ret


  28. juchi:mov   a,#00h
  29. clr p1.0
  30. clr p1.1
  31. up :  mov p0,a
  32. inc a
  33. jnb p3.0,   zhengxuan
  34. jnb p3.2,   sanjiao
  35. jnz up
  36. down: dec a
  37. mov p0,a
  38. jnb p3.0 , zhengxuan
  39. jnb p3.2,sanjiao
  40. jnz down
  41. sjmp up
  42. ret


  45. zhengxuan:mov R5,#00h
  46. sin:mov a,r5
  47. clr p1.0
  48. clr p1.1
  49.      mov DPTR,#TAB
  50.      MOVC A,@A+DPTR

  52.      MOV P0,A
  53.      INC R5
  54. jnb p3.1,juchi
  55. jnb p3.2,sanjiao
  56.    AJMP  SIN
  57.   TAB: DB 80H,83H,86H,89H,8DH,90H,93H,96H
  58.        DB 99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
  59.        DB 0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H
  60.        DB 0C7H,0CAH,0CCH,0CFH,0D1H, 0D4H,0D6H,0D8H
  61.        DB 0DAH,0DDH,0DFH,0E1H,0E3H, 0E5H,0E7H,0E9H
  62.        DB 0EAH,0ECH,0EEH,0EFH,0F1H, 0F2H,0F4H,0F5H
  63.        DB 0F6H,0F7H,0F8H,0F9H,0FAH, 0FBH,0FCH,0FDH
  64.        DB 0FDH,0FEH,0FFH,0FFH,0FFH, 0FFH,0FFH,0FFH
  65.        DB 0FFH,0FFH,0FFH,0FFH,0FFH, 0FFH,0FEH,0FDH
  66.        DB 0FDH,0FCH,0FBH,0FAH,0F9H, 0F8H,0F7H,0F6H
  67.        DB 0F5H,0F4H,0F2H,0F1H,0EFH, 0EEH,0ECH,0EAH
  68.        DB 0E9H,0E7H,0E5H,0E3H,0E1H, 0DEH,0DDH,0DAH
  69.        DB 0D8H,0D6H,0D4H,0D1H,0CFH, 0CCH,0CAH,0C7H
  70.        DB 0C5H,0C2H,0BFH,0BCH,0BAH, 0B7H,0B4H,0B1H
  71.        DB 0AEH,0ABH,0A8H,0A5H,0A2H, 9FH, 9CH, 99H
  72.        DB 96H, 93H, 90H, 8DH, 89H, 86H, 83H, 80H
  73.        DB 80H, 7CH, 79H, 78H, 72H, 6FH, 6CH, 69H
  74.        DB 66H, 63H, 60H, 5DH, 5AH, 57H, 55H, 51H
  75.        DB 4EH, 4CH, 48H, 45H, 43H, 40H, 3DH, 3AH
  76.        DB 38H, 35H, 33H, 30H, 2EH, 2BH, 29H, 27H
  77.        DB 25H, 22H, 20H, 1EH, 1CH, 1AH, 18H, 16H
  78.        DB 15H, 13H, 11H, 10H, 0EH, 0DH, 0BH, 0AH
  79.        DB 09H, 08H, 07H, 06H, 05H, 04H, 03H, 02H
  80.        DB 02H, 01H, 00H, 00H, 00H, 00H, 00H, 00H
  81.        DB 00H, 00H, 00H, 00H, 00H, 00H, 01H, 02H
  82.        DB 02H, 03H, 04H, 05H, 06H, 07H, 08H, 09H
  83.        DB 0AH, 0BH, 0DH, 0EH, 10H, 11H, 13H, 15H
  84.        DB 16H, 18H, 1AH, 1CH, 1EH, 20H, 22H, 25H
  85.        DB 27H, 29H, 2BH, 2EH, 30H, 33H, 35H, 38H
  86.        DB 3AH, 3DH, 40H, 43H, 45H, 48H, 4CH, 4EH
  87.        DB 51H, 55H, 57H, 5AH, 5DH, 60H, 63H, 66H
  88.        DB 69H, 6CH, 6FH, 72H, 76H, 79H, 7CH, 80H
  89.       ret


  92. end

復制代碼


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DAC0832實現波形輸出



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