【導讀】幕，在信息顯示領域得到了廣泛的應用，實現(xiàn)顯示屏的技術也有很多種。本文介紹了基于單。片機AT80C52為控制器的16×64LED點陣顯示屏系統(tǒng)的設計。以美國ATMEL公司生產(chǎn)的40. 通過該芯片控制一個行驅(qū)動器74LS154和八個列驅(qū)動器74HC595來驅(qū)動顯示屏顯示。LED顯示模塊來組成一個16×64點陣顯示模式。本文介紹了利用Proteus軟件進行原理圖。果，總體上系統(tǒng)的設計簡單、顯示清晰、成本較低。

　　

【正文】 00, 0x00, 0x00, 0x70, 0x00, 0x10, 0x00, 0x10, 0x18, 0x10, 0x24, 0x10, 0x42, 0x10, 0x42, 0x10, 0x42, 0x10, 0x24, 0x10, 0x18, 0x7C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /*ol*/ {0x0,0x80,0x0,0x80,0x1,0xc0,0x1,0xc0,0x3,0xe0,0x7f,0xff,0x3f,0xfe,0x1f,0xfc,0xf,0xf8,0x7,0xf0,0xf,0xf8,0xf,0x78,0x1e,0x3c,0x18,0xc,0x20,0x2,0x0,0x0},/*星星 */ 蘇州市職業(yè)大學電子信息工程學院畢業(yè)設計論文 第 25 頁 共 33 頁 {0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x3C,0x66,0x66,0x66,0x66,0x06,0x66,0x0C,0x66,0x18,0x66,0x30,0x66,0x60,0x66,0x60,0x66,0x7E,0x3C,0x00,0x00,0x00,0x00,0x00,0x00},/*20,1*/ {0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x06,0x78,0x0E,0x18,0x1E,0x18,0x1E,0x18,0x36,0x18,0x36,0x18,0x66,0x18,0x7E,0x18,0x06,0x18,0x06,0x00,0x00,0x00,0x00,0x00,0x00},/*14,2*/ {0x08,0x00,0x08,0x00,0x0F,0xF8,0x10,0x80,0x20,0x80,0x4F,0xF0,0x08,0x80,0x08,0x80,0x08,0x80,0x7F,0xFC,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x00,0x00,0x00},/*年 *,3*/ {0x08,0x20,0x08,0x20,0xFF,0xFE,0x08,0x20,0x0A,0x20,0x02,0x00,0x7F,0xF0,0x02,0x10,0x02,0x14,0x22,0x12,0x22,0x12,0x24,0x12,0x44,0x10,0x08,0x10,0x10,0xA0,0x20,0x40},/*蘇 ,4*/ {0x10,0x04,0x10,0x84,0x10,0x84,0x10,0x84,0x10,0x84,0x54,0xA4,0x52,0x94,0x52,0x94,0x90,0x84,0x10,0x84,0x10,0x84,0x10,0x84,0x20,0x84,0x20,0x84,0x40,0x04,0x80,0x04},/*州 ,5*/ {0x02,0x00,0x01,0x00,0x00,0x00,0x7F,0xFC,0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xF8,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x28,0x21,0x10,0x01,0x00,0x01,0x 00},/*市 ,6*/ {0x00,0x00,0xFF,0x00,0x24,0xFC,0x24,0x84,0x3C,0x84,0x24,0x84,0x24,0x84,0x3C,0x 8,0x24,0xFC,0x24,0x84,0x2E,0x00,0xF4,0x48,0x44,0x44,0x04,0x84,0x04,0x82,0x05,0x02},/*職 ,7*/ {0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x44,0x44,0x24,0x44,0x24,0x48,0x14,0x48,0x14,0x50,0x14,0x60,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0xFF,0xFE,0x00,0x00},/*業(yè) ,8*/ {0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0xFF,0xFE,0x01,0x00,0x01,0x00,0x02,0x80,0x02,0x80,0x04,0x40,0x04,0x40,0x08,0x20,0x10,0x10,0x20,0x08,0xC0,0x06},/*大 ,9*/ {0x22,0x08,0x11,0x08,0x11,0x10,0x00,0x20,0x7F,0xFE,0x40,0x02,0x80,0x04,0x1F,0xE0,0x00,0x40,0x01,0x80,0xFF,0xFE,0x01,0x00,0x01,0x00,0x01,0x00,0x05,0x00,0x02,0x00},/*學 ,10*/ {0x20,0x80,0x20,0x88,0x20,0xB0,0x3E,0xC0,0x20,0x80,0x20,0x84,0x26,0x84,0x38,0x7C,0x21,0x00,0x01,0x00,0xFF,0xFE,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00},/*畢 ,11*/ {0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x44,0x44,0x24,0x44,0x24,0x48,0x14,0x48,0x14,0x50,0x14,0x60,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0xFF,0xFE,0x00,0x00},/*業(yè) ,12*/ {0x00,0x00,0x21,0xF0,0x11,0x10,0x11,0x10,0x01,0x10,0x02,0x0E,0xF4,0x00,0x13,0xF8,0x11,0x08,0x11,0x10,0x10,0x90,0x14,0xA0,0x18,0x40,0x10,0xA0,0x03,0x18,0x0C,0x06},/*設 ,13*/ {0x00,0x40,0x20,0x40,0x10,0x40,0x10,0x40,0x00,0x40,0x00,0x40,0xF7,0xFE,0x10,0x40,0x10,0x40,0x10,0x40,0x10,0x40,0x10,0x40,0x14,0x40,0x18,0x40,0x10,0x40,0x00,0x40},/*蘇州市職業(yè)大學電子信息工程學院畢業(yè)設計論文 第 26 頁 共 33 頁 計 ,14*/ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}/*空行 */ }。 //***********************************延時 void delay_ms(uchar tt) { for(m=0。mtt。m++) for(n=0。n50。n++)。 } //**********************************74HC595程序 void write_595(uchar shuju) //向 595寫一個字節(jié)的數(shù)據(jù) { uchar i。 for(i=0。i8。i++) { ds=(~shuju)amp。0x01。 clk=1。 clk=0。 shuju=shuju1。 } } //*****************************************主函數(shù) void main() { uchar i,j,k,x。 TMOD=0x01。 //定時器 0工作方式 0 g1=0。 //154使能 EA=1。 //開總中斷 ET0=1。 //定時器 0使能 TH0=(6553550000)/256。 //定時器 0設置初值 TL0=(6553650000)%256。 while(1) { for(x=0。x24。x=x+4) { for(i=0。i16。i++) //字從下往上滾動出現(xiàn) { k=1。 for(j=i+1。j0。j) 蘇州市職業(yè)大學電子信息工程學院畢業(yè)設計論文 第 27 頁 共 33 頁 { write_595(display[x+3][k])。 write_595(display[x+3][k1])。 write_595(display[x+2][k])。 write_595(display[x+2][k1])。 write_595(display[x+1][k])。 write_595(display[x+1][k1])。 write_595(display[x][k])。 write_595(display[x][k1])。 k+=2。 hang=hangsz[16j]。 stcp=1。stcp=0。 } delay_ms(80)。 } TR0=1。flag=1。 while(flag) //停留一秒 { uchar j。 for(j=0。j16。j++) { write_595(display[x+3][j*2+1])。 write_595(display[x+3][j*2])。 write_595(display[x+2][j*2+1])。 write_595(display[x+2][j*2])。 write_595(display[x+1][j*2+1])。 write_595(display[x+1][j*2])。 write_595(display[x][j*2+1])。 write_595(display[x][j*2])。 hang=hangsz[j]。 stcp=1。stcp=0。 } } TR0=0。 for(i=16。i0。i) //字滾動出顯示區(qū) { k=31。 for(j=i1。j0。j) { write_595(display[x+3][k])。 write_595(display[x+3][k1])。 蘇州市職業(yè)大學電子信息工程學院畢業(yè)設計論文 第 28 頁 共 33 頁 write_595(display[x+2][k])。 write_595(display[x+2][k1])。 write_595(display[x+1][k])。 write_595(display[x+1][k1])。 write_595(display[x][k])。 write_595(display[x][k1])。 k=2。 hang=hangsz[j]。 stcp=1。stcp=0。 } delay_ms(80)。 } } } } //*****************************中斷程序控制時間 1秒 void timer0() interrupt 1 //中斷函數(shù) { counter++。 if(counter==10) //1秒設置 { counter=0。 flag=0。 } TH0=(6553550000)/256。 TL0=(6553650000)%256。 }