基于51單片機(jī)的_正弦信號(hào)發(fā)生器的設(shè)計(jì)(編輯修改稿)
2024-11-13 03:00 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 CJNE R3,255,L01 INC R0 INC R0 CJNE R0,254,K01 LJMP SQU TC0: RET SAW: JNB ,N4 JNB ,N5 JNB ,N6 西安文理學(xué)院課程設(shè)計(jì)報(bào)告 第 9 頁(yè) LJMP SSAW N4: MOV R7,00H LJMP TC1 N5: MOV R7,02H LJMP TC1 N6: MOV R7,03H LJMP TC1 SSAW: CJNE R7,01H,TC1 MOV R0,0FFH 。MOV DPTR,7FFFH K10: 。MOV A,R0 。MOVX @DPTR,A MOV P0,R0 MOV P2,0FFH MOV A,P2 CPL A MOV R3,A L10: DEC R3 CJNE R3,255,L10 INC R0 CJNE R0,255,K10 LJMP SAW TC1: RET TRI: JNB ,N7 JNB ,N8 JNB ,N9 西安文理學(xué)院課程設(shè)計(jì)報(bào)告 第 10 頁(yè) LJMP TTRI N7: MOV R7,00H LJMP TC2 N8: MOV R7,01H LJMP TC2 N9: MOV R7,03H LJMP TC2 TTRI: CJNE R7,02H,TC2 MOV R0,00H 。MOV DPTR,7FFFH K20: 。MOV A,R0 。MOVX @DPTR,A MOV P0,R0 MOV P2,0FFH MOV A,P2 CPL A MOV R3,A L20: DEC R3 CJNE R3,255,L20 INC R0 INC R0 CJNE R0,254,K20 K21: 。MOV A,R0 。MOVX @DPTR,A MOV P0,R0 MOV P2,0FFH MOV A,P2 西安文理學(xué)院課程設(shè)計(jì)報(bào)告 第 11 頁(yè) CPL A MOV R3,A L21: DEC R3 CJNE R3,255,L21 DEC R0 DEC R0 CJNE R0,0,K21 LJMP TRI TC2: RET SIN: JNB ,N10 JNB ,N11 JNB ,N12 LJMP SSIN N10: MOV R7,00H LJMP TC3 N11: MOV R7,01H LJMP TC
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鄂ICP備17016276號(hào)-1