單片機課程設(shè)計報告(參考版)
2025-08-06 01:15本頁面
【正文】 仿真原理圖 調(diào)試波形Keil與proteus 聯(lián)機調(diào)試 仿真結(jié)果及分析 理論上按不同的鍵會出現(xiàn)不同的頻率的聲音，可是我的用proteus和keil聯(lián)調(diào)時卻沒響，電氣規(guī)則檢查沒有錯誤……6 訓(xùn)練體會7 參考文獻[1]張鑫《單片機原理及應(yīng)用》[M] 電子工業(yè)出版社.[2]周明德《微機原理與接口技術(shù)》[M] 人民郵電出版社.。 程序清單4KEYBUF EQU 30H STHO EQU 31H STLO EQU 32H TEMP EQU 33H ORG 00H LJMP START ORG 0BH LJMP INT_T0START: MOV TMOD,01H SETB ET0 SETB EAWAIT: MOV P3,0FFH CLR MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY1 LCALL DELAY10MS MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY1 MOV A,P3 ANL A,0FH CJNE A,0EH,NK1 MOV KEYBUF,0 LJMP DK1NK1: CJNE A,0DH,NK2 MOV KEYBUF,1 LJMP DK1NK2: CJNE A,0BH,NK3 MOV KEYBUF,2 LJMP DK1NK3: CJNE A,07H,NK4 MOV KEYBUF,3 LJMP DK1NK4: NOPDK1: MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE MOVC A,A+DPTR MOV STHO,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,A+DPTR MOV STLO,A MOV TL0,A SETB TR0DK1A: MOV A,P3 ANL A,0FH XRL A,0FH JNZ DK1A CLR TR0NOKEY1: MOV P3,0FFH CLR MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY2 Lcall DELAY10MS MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY2 MOV A,P3 ANL A,0FH CJNE A,0EH,NK5 MOV KEYBUF,4 LJMP DK2NK5: CJNE A,0DH,NK6 MOV KEYBUF,5 LJMP DK2NK6: CJNE A,0BH,NK7 MOV KEYBUF,6 LJMP DK2NK7: CJNE A,07H,NK8 MOV KEYBUF,7 LJMP DK2NK8: NOP DK2: MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE MOVC A,A+DPTR MOV STHO,A MOV TH
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鄂ICP備17016276號-1