這是一款AT89C51單片機LED16x16點陣顯示屏程序，使用AT89C51單片機，16*16點陣屏驅動使用了兩片74HC154集成電路，整個電路非常簡潔，使用的元件比較少，方便布線。壓縮文件中附上了16*16點陣字模取模軟件及使用示例圖片，同時給出了仿真文件，方便使用學習。
AT89C51單片機LED16x16點陣顯示屏程序及仿真.zip
(630.88 KB, 下載次數: 375)
2017-2-5 10:41 上傳
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AT89C51單片機LED16x16點陣顯示屏程序及仿真
AT89C51單片機LED16x16點陣顯示屏程序1
AT89C51單片機LED16x16點陣顯示屏程序1
AT89C51單片機LED16x16點陣顯示屏程序2
AT89C51單片機LED16x16點陣顯示屏程序3
AT89C51單片機LED16x16點陣顯示屏程序4
單片機源程序：
- #include <reg51.h>
- #define u8 unsigned char
- #define u16 unsigned int
- sbit a=P2^4; //154芯片使能
- sbit b=P2^5;
- u8 code led[][32]={
- {0x02,0x02,0xFA,0x4A,0x4A,0x4A,0x4A,0xFE,0x4A,0x4A,0x4A,0x4A,0xFE,0x0B,0x02,0x00,
- 0x80,0x80,0x87,0x42,0x46,0x2A,0x12,0x2F,0x22,0x42,0x42,0x42,0x87,0x80,0x80,0x00,},// 更
- {0x00,0x00,0x20,0x10,0x98,0xA4,0x47,0x24,0xE4,0x14,0x0C,0x04,0x00,0x00,0x00,0x00,
- 0x00,0x81,0x91,0x89,0x44,0x44,0x4A,0x31,0x11,0x11,0x09,0x05,0x03,0x01,0x00,0x00,},// 多
- {0x00,0x00,0xF8,0x49,0x4A,0x4C,0x48,0xF8,0x48,0x4C,0x4A,0x49,0xFC,0x08,0x00,0x00,
- 0x10,0x10,0x17,0x12,0x12,0x12,0x12,0xFF,0x12,0x12,0x12,0x12,0x13,0x18,0x10,0x00,},//單
- {0x00,0x00,0xFE,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x20,0x00,
- 0x80,0x40,0x3F,0x01,0x01,0x01,0x01,0x01,0x01,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,},//片
- {0x10,0x10,0xD0,0xFF,0x90,0x10,0x00,0xFC,0x04,0x04,0x04,0xFE,0x04,0x00,0x00,0x00,
- 0x04,0x03,0x00,0xFF,0x80,0x41,0x20,0x1F,0x00,0x00,0x00,0x3F,0x40,0x40,0x70,0x00,},//機
- {0x24,0x24,0xA4,0xFE,0xA3,0x22,0x20,0x7E,0x42,0x42,0x42,0x42,0x42,0x7F,0x02,0x00,
- 0x08,0x06,0x01,0xFF,0x00,0x43,0x41,0x49,0x49,0x49,0x7F,0x49,0x4D,0x69,0x41,0x00,},//程
- {0x00,0x00,0xFC,0x04,0x14,0x14,0x14,0x55,0x96,0x54,0x34,0x14,0x16,0x04,0x00,0x00,
- 0x40,0x30,0x0F,0x00,0x01,0x01,0x41,0x81,0x7F,0x01,0x01,0x05,0x03,0x01,0x00,0x00,},//序
- {0x80,0x40,0x20,0xF8,0x07,0x10,0x10,0x10,0xF1,0x96,0x90,0x90,0xD0,0x98,0x10,0x00,
- 0x00,0x00,0x00,0xFF,0x00,0x80,0x40,0x30,0x0F,0x40,0x80,0x40,0x3F,0x00,0x00,0x00,},//仿
- {0x00,0x04,0x04,0xF4,0x54,0x54,0x54,0x5F,0x54,0x54,0x54,0xFC,0x16,0x04,0x00,0x00,
- 0x10,0x10,0x90,0x5F,0x35,0x15,0x15,0x15,0x15,0x15,0x35,0x5F,0xD0,0x18,0x10,0x00,},//真
- {0x20,0x22,0xEC,0x00,0x20,0x22,0xAA,0xAA,0xAA,0xBF,0xAA,0xAA,0xEB,0xA2,0x20,0x00,
- 0x00,0x00,0x7F,0x20,0x10,0x00,0xFF,0x0A,0x0A,0x0A,0x4A,0x8A,0x7F,0x00,0x00,0x00,},//請
- {0x00,0x62,0x52,0x4A,0xC6,0x42,0x52,0x63,0xC2,0x00,0xF8,0x00,0x00,0xFF,0x00,0x00,
- 0x40,0x42,0x42,0x42,0x7F,0x22,0x23,0x22,0x20,0x00,0x0F,0x40,0x80,0x7F,0x00,0x00,},//到
- {0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xFC,0x08,0x00,0x00,0x00,
- 0x00,0x07,0x02,0x02,0x02,0x02,0x3F,0x42,0x42,0x42,0x42,0x47,0x40,0x70,0x00,0x00,},//電
- {0x80,0x80,0x82,0x82,0x82,0x82,0x82,0xE2,0xA2,0x92,0x8A,0x86,0x80,0xC0,0x80,0x00,
- 0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,},//子
- {0x00,0x80,0xC0,0xBC,0x84,0x84,0x84,0xF4,0x82,0x82,0x83,0x82,0x80,0xC0,0x80,0x00,
- 0x00,0x40,0x20,0x10,0x0C,0x40,0x80,0x7F,0x00,0x00,0x04,0x08,0x30,0x60,0x00,0x00,},//樂
- {0x00,0x00,0xFE,0x0A,0x2A,0x2A,0xAA,0x6A,0x2A,0x2A,0xAA,0x2A,0x2F,0x22,0x00,0x00,
- 0x40,0x30,0x4F,0x48,0x48,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x4C,0x68,0x40,0x00,},//屋
- };
- void delay(u16 ms)
- {
- u8 s=0;
- while(--ms)
- {
- for(s=0;s<88;s++);
- }
- }
- u8 K=0;
- void LedScan(u8 x)
- {
- static u8 i = 0;
-
- for(i=0;i<16;i++) //上半屏顯示
- {a=0;
- b=1;
- P2 = (P2 & 0xf0) | i;
- P0=led[x][i];
- delay(2);
- }
- for(i=0;i<16;i++) //下半屏顯示
- {
- a=1;
- b=0;
- P2 = (P2 & 0xf0) | i;
- P0=led[x][i+16];
- delay(2);
- }
- }
- void main()
- {
-
- a=1;
- b=1;
- TMOD = 0x01;
- TH0 = 0x0D8;
- TL0 = 0x0F0;
- EA = 1;
- ET0 = 1;
- TR0 = 1;
- while(1)
- {
- LedScan(K);
- }
- }
- void Timer0Interrupt(void) interrupt 1
- {
- static u16 dd=0;
- TH0 = 0x0D8;
- TL0 = 0x0F0;
- dd++;
- if(dd==50)
- { dd=0;
- K++;
-
- if(K==15)//顯示的字數個數
- {K=0;}
- }
- }
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