pwm直流電動(dòng)機(jī)調(diào)速設(shè)計(jì)報(bào)告(留存版)
【正文】 ADDC A,R5 MOV R5,A MOV F0,C MOV A,R2 MUL AB ADDC A,R5 MOV R5,A CLR A MOV ,C MOV C,F0 ADDC A,B MOV A,R4 RET DISP: MOV DPTR,TAB MOV A,R7 ANL A,0FH MOVC A,A+DPTR MOV P0,A MOV P2,0FFH MOV P2,0F7H LCALL DELAY MOV DPTR,TAB MOV A,R7 ANL A,0F0H SWAP A MOVC A,A+DPTR MOV P0,A MOV P2,0FFH MOV P2,0FBH LCALL DELAY MOV DPTR,TAB MOV A,R6 ANL A,0FH MOVC A,A+DPTR MOV P0,A MOV P2,0FFH MOV P2,0FDH LCALL DELAY MOV DPTR,TAB MOV A,R6 ANL A,0F0H SWAP A MOVC A,A+DPTR MOV P0,A MOV P2,0FFH MOV P2,0FEH LCALL DELAY DJNZ R1,DISP RET TAB: DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,77H,7CH,39H,5EH,79H,71H RET DELAY: MOV A,R6 PUSH ACC MOV A,R7
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鄂ICP備17016276號(hào)-1