基于51單片機(jī)的數(shù)字電壓表的設(shè)計-資料下載頁
2025-06-28 00:05本頁面
【正文】 V A,LED_2 MOVC A,@A+DPTR CLR MOV P0,A LCALL DELAY SETB MOV DPTR,TABLE //百分位 MOV A,LED_1 MOVC A,@A+DPTR CLR MOV P0,A LCALL DELAY SETB MOV DPTR,TABLE //千分位 MOV A,LED_0 MOVC A,@A+DPTR CLR MOV P0,A LCALL DELAY SETB RETDELAY: MOV R6,10 //延時5毫秒D1: MOV R7,250 DJNZ R7,$ DJNZ R6,D1 RETTABLE: DB 3FH,06H,5BH,4FH,66H //數(shù)碼管09的碼表 DB 6DH,7DH,07H,7FH,6FHTAB: DB 0, 0 , 0 , 1, 0, 2, 0, 0, 3, 0 //存放AD轉(zhuǎn)換后的數(shù) DB 4, 0, 0, 5, 0, 6, 0, 0, 7, 0 DB 8, 0, 0, 9, 0, 0, 10, 0, 11, 0 DB 0, 12, 0, 13, 0, 0, 14, 0, 15, 0 DB 0, 16, 0, 17, 0, 0, 18, 0, 19, 0 DB 0, 20, 0, 0, 21, 0, 22, 0, 0, 23 DB 0, 24, 0, 0, 25, 0, 26, 0, 0, 27 DB 0, 28, 0, 0, 29, 0, 0, 30, 0, 31 DB 0, 0, 32, 0, 33, 0, 0, 34, 0, 35 DB 0, 0, 36, 0, 37, 0, 0, 38, 0, 39 DB 0, 0, 40, 0, 0, 41, 0, 42, 0, 0 DB 43, 0, 44, 0, 0, 45, 0, 46, 0, 0 DB 47, 0, 48, 0, 0, 49, 0, 50, 0, 0 DB 51, 0, 0, 52, 0, 53, 0, 0, 54, 0 DB 55, 0, 0, 56, 0, 57, 0, 0, 58, 0 DB 59, 0, 0, 60, 0, 0, 61, 0, 62, 0 DB 0, 63, 0, 64, 0, 0, 65, 0, 66, 0 DB 0, 67, 0, 68, 0, 0, 69, 0, 70, 0 DB 0, 71, 0, 0, 72, 0, 73, 0, 0, 74 DB 0, 75, 0, 0, 76, 0, 77, 0, 0, 78 DB 0, 79, 0, 0, 80, 0, 0, 81, 0, 82 DB 0, 0, 83, 0, 84, 0, 0, 85, 0, 86 DB 0, 0, 87, 0, 88, 0, 0, 89, 0, 90 DB 0, 0, 91, 0, 0, 92, 0, 93, 0, 0 DB 94, 0, 95, 0, 0, 96, 0, 97, 0, 0 DB 98, 0, 99, 0, 0, 100, 0, 0, 0 END 第 3 頁
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