LCD显示系统的设计.doc

目录 课程设计目的------------------------------------ 1 课程设计课题分析-------------------------------- 1 课程设计的程序及结果---------------------------- 4 课程设计心得体会-------------------------------- 9 参考文献---------------------------------------- 9 LCD显示系统的设计. 一、课程设计的目的 （1）进一步理解和消化知识，运用所学知识和技能进行简单的设计（）通过课程设计提高应用能力，。（）培养查阅资料的习惯,提高独立思考的能力。PA EQU 0CFA0H PB EQU 0CFA1H PCC EQU 0CFA2H PCTL EQU 0CFA3H STOBE0 EQU 70H STOBE1 EQU 71H CSEG AT 0000H LJMP START CSEG AT 4100H START: MOV DPTR, #PCTL MOV A, #88H MOVX @DPTR, A MOV A, #STOBE0 MOVX @DPTR, A START1: MOV A, #0F4H ACALL SUB2 MOV R0, #1 MOV R1, #60 W_LOOP: ACALL SUB1 ACALL SUB2 INC R0 DJNZ R1, W_LOOP ACALL DELAY SUB1: MOV A, R0 MOVC A,@A+PC RET DB 0F0H, 1, 0, 48,37 DB 0F0H, 2, 0, 47,02 DB 0F0H, 3, 0, 25,04 DB 0F0H, 4, 0, 19,44 DB 0F0H, 5, 0, 49,07 DB 0F0H, 6, 0, 52,26 DB 0F0H, 1, 1, 55,52 DB 0F0H, 2, 1, 22,15 DB 0F0H, 3, 1, 27,15 DB 0F0H, 4, 1, 20,87 DB 0F0H, 5, 1, 33,28 DB 0F0H, 6, 1, 33,90 SUB2: PUSH DPH PUSH DPL PUSH ACC HE1: MOV DPTR , #PCC MOVX A, @DPTR JB ACC.7, HE1 POP ACC MOV DPTR, #PA MOVX @DPTR , A MOV DPTR, #PCTL MOV A, #STOBE1 MOVX @DPTR , A HE2: MOV DPTR, #PCC MOVX A,@DPTR JNB ACC.7, HE2 MOV DPTR, #PCTL MOV A, #STOBE0 MOVX @DPTR,A POP DPL POP DPH RET DELAY: MOV R5, #23H DEL0: MOV R6, #6FH DEL1: MOV R7, #6FH DEL2: DJNZ R7, DEL2 DJNZ R6, DEL1 DJNZ R5, DEL0 RET END 程序2： PA EQU 0CFA0H PB EQU 0CFA1H PCC EQU 0CF