【正文】 參考文獻[1] 張義和，王敏男，許宏昌，：人民郵電出版社，2008[2] 王讓定，朱瑩，葉富樂，：清華大學出版社，2005[3] (第五版).北京：高等教育出版社，200614。7. 總結 通過本次(1616位點陣LED)的設計，理論知識學習和實際設計的結合鍛煉了我的綜合運用所學的專業(yè)基礎知識解決實際工程問題的能力，同時也提高我查閱文獻資料、設計手冊、設計規(guī)范以及電腦制圖等其他專業(yè)能力水平，而且通過對整體的掌控，對局部的取舍，以及對細節(jié)的斟酌處理，都使我的能力得到了鍛煉，經驗得到了豐富。 仿真測試在仿真軟件proteus中運行測試系統(tǒng)整體功能，一切正常。學DB 06H,90H,05H,90H,04H,98H,04H,14H,04H,13H,04H,50H,04H,30H,00H,00HDB 00H,00H,0FFH,0FEH,04H,22H,08H,5AH,07H,86H,80H,10H,41H,0CH,31H,24H 。工DB 20H,04H,20H,04H,20H,04H,20H,04H,20H,04H,20H,04H,20H,00H,00H,00HDB 08H,24H,06H,24H,01H,0A4H,0FFH,0FEH,01H,23H,06H,22H,40H,00H,49H,3EH 。信DB 49H,24H,49H,25H,49H,26H,49H,24H,49H,24H,79H,24H,00H,04H,00H,00HDB 40H,00H,30H,00H,00H,00H,03H,0FCH,39H,54H,41H,54H,41H,56H,45H,55H 。滅燈 MOV AL,0FFH OUT DX,AL MOV DX,XPB OUT DX,AL RET DEL1: MOV CX,0020H 。切換到列掃描2 JMP DISP1 EXIT: MOV R6,0048H 。掃描信號左移8次 JNC DISP1 CMP FL,00H JNZ EXIT INC FL CLC 。列掃描 MOV CX,0010H 。行代碼1輸入 INC R0 MOV AX,R0 MOV BX,OFFSET TAB ADD BX,AX MOV AL,CS:[BX] MOV DX,PA OUT DX,AL 。304 JNZ X1 JMP X0 DISPW: PUSH R0 。數據初始化 MOV FL,AL MOV R6,0048H X0: MOV R0,0000H X1: CALL DEL1 INC R0 INC R0 。列掃描通道選擇 DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA ORG 2DC0H START: MOV DX,XPCTL MOV AL,80H OUT DX,AL 。數據地址偏移量 R6 DW ? 。列8255控制口地址 DATA SEGMENT AT 0 ORG 2DB0H FL DB ? 。列掃描1 XPB EQU 004AH 。行代碼2 PCTL EQU 0046H 。院DB 0FH,24H,01H,25H,01H,26H,3FH,24H,41H,24H,41H,14H,71H,0CH,00H,00HDB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00HDB 00H,00H,00H,00H,00H,00H,00H