基于stc89c52rc單片機的dds程控信號發(fā)生器設計方案-資料下載頁
2025-05-06 00:19本頁面
【正文】 if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl1000000。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________//____________________________*100KHZif(i==1){lcd_pos(0x00)。lcd_xs(word6)。if(p36==0){delay(100)。pl=pl+100000。if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl100000。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________//____________________________*10KHZif(i==2){lcd_pos(0x00)。lcd_xs(word7)。if(p36==0){delay(100)。pl=pl+10000。if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl10000。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________//____________________________*1KHZif(i==3){lcd_pos(0x00)。lcd_xs(word8)。if(p36==0){delay(100)。pl=pl+1000。if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl1000。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________//____________________________*100HZif(i==4){lcd_pos(0x00)。lcd_xs(word9)。if(p36==0){delay(100)。pl=pl+100。if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl100。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________//____________________________*10HZif(i==5){lcd_pos(0x00)。lcd_xs(word10)。if(p36==0){delay(100)。pl=pl+10。if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl10。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________//____________________________*1HZif(i==6){lcd_pos(0x00)。lcd_xs(word11)。if(p36==0){delay(100)。pl=pl+1。if(pl=8000000)pl=8000000。}if(p37==0){delay(100)。pl=pl1。if(pl=0)pl=0。}profess(pl)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。}//____________________________if(p33==0){delay(100)。break。}}}//*********************profess(pl)。lcd_pos(0x00)。lcd_xs(word3)。lcd_pos(0x40)。lcd_xs(word4)。mout(pl)。delay(10)。}}//*********************附錄3：元件清單及報價單專業(yè)綜合實訓項目物料清單產品名DDS程控信號發(fā)生器元件 設備名稱規(guī)格數量單價（元）總價直插電容9直插電容22p2直插電容3直插電容22pF2直插電容10uF2電解電容470uF/25V1電解電容10uF/10V3直插電阻1K1直插電阻10K1直插電阻1直插電阻100K2直插電阻2002直插電阻1003直插阻排10K1電位器1K1直插電感910Nh1直插電感680Nh1無源晶振12MHz133有源晶振25MHz155兩腳按鍵開關SWPB71602液晶16PIN11818AD8055AD8055AR11616AD9833983314040STC89C52S5217710P接插座ISP1插針I(yè)SP021電源座+5V1電源座5V1發(fā)光二級管LED1合計 54 31
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