課程設(shè)計(jì)論文-基于mcs-51單片機(jī)的可調(diào)頻率方波-資料下載頁(yè)
2025-06-07 04:26本頁(yè)面
【正文】 XT35: MOV A,R4 RL A RL A ADD A,R5 MOV DPTP,KEYTAB MOVC A,@A+DPTP MOV KEYNAME,AEXIT3: RETDISPLAY: MOV LEDSP,00H LCALL BIN T0BCD LCALL BCD T0SEG LJMP LOOPTIME R0:PUSH PSW PUSH Acc SETB RS0 CLR RS1 MOV TH0,0E4A MOV TL0,0A8H MOV ANL A,04H CJNE A,0,NEXT11 MOV P2,00001D00B ADD ASEGBUF MOV R0,A MOV P0,A MOV P0,@R0 CJMP EXIT1NEXT11:CJNE A,2,NEXT12 MOV P2,00000100B ADD A,SEGBUF MOV R0,A MOV P0,@R0 LKMP EXIT1NEXT12: CJNE A,1,NEXT13 MOV P2,00000010B ADD A,SEGBUF MOV R0,A MOV P0,@R0 LJMP EXIT1NEXT13: MOV P2,300000001B AD A,SEGBUF MOV R0,A MOV P0,@R0EXIT1: INC LEDSP MOV A,LEDSP ANL A,01A CJNE A,04A,BELOWBELOW: JC RETUN MOV LEDSP,00HRETURN: POP Acc POP PSW RETIBIN T0BCD: MOV R0,3DISBUF+3 MOV A,KEYNAME MOV B,10 DIV AB MOV @R0,B DEC R0 MOV B,10 DIV AB MOV @R0,B DEC R0 MOV B,10 DIV AB MOV @R0,B DEC R0 MOV @R0,A RET方波輸出部分： TIMER1: MOV DPTR,KEYNAME MOVC @A+DPTR,DPTR RETI END附錄二 組員工作分配李建華：主要寫程序和報(bào)告以及仿真檢查結(jié)果賴水兵：電路圖的描繪，程序的撰寫梁國(guó)鋒：程序的撰寫郭萬(wàn)勁：電路圖的描繪參考文獻(xiàn)潘永雄 高等學(xué)校信息工程類專業(yè)規(guī)劃教材（新編單片機(jī)原理與應(yīng)用）
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