LED点阵多屏连接仿真电路及51单片机程序

ID:256970 · 发表于 2017-12-3 23:00

仿真74ls138多屏9X开源共享，相互学习！

单片机源程序如下:

ORG 0000H
MAIN:MOV DPTR,#TAB
MOV R3,#144 ;8个字
; MOV R4,#2 ;字数增倍
LOOP1:MOV R0,#00H ;数据RAM
MOV R1,#00H ;译码RAM
MOV R2,#24 ;1.5个LED字屏
LOOP:MOV P0,#00H
MOV P2,#00H
MOV P3,#00H ;初始化3个端口
MOV A,R1
MOV P1,A ;初始化译码端口
MOV A,R0
MOVC A,@A+DPTR
MOV P0,A
INC R0
MOV A,R0
MOVC A,@A+DPTR
MOV P2,A
INC R0
MOV A,R0
MOVC A,@A+DPTR
MOV P3,A
INC R0
LCALL DELAY
INC R1
DJNZ R2,LOOP
INC DPTR
INC DPTR
INC DPTR
DJNZ R3,LOOP1
SJMP MAIN
DELAY:MOV R5,#6
DEL:MOV R6,#0B8H
DJNZ R6,$
DJNZ R5,DEL
RET
TAB: DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H,00H,00H,00H,00H,00H,00H,00H;00H,00H,00H,00H,00H,00H,00H,00H
; DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
; DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
; DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
DB 00H, 00H, 00H, 00H, 00H, 00H, 40H, 00H;
DB 10H, 40H, 7EH, 10H, 40H, 3EH, 10H, 40H;
DB 0C2H, 1FH, 40H, 80H, 1FH, 40H, 80H, 10H;
DB 0F8H, 0FFH, 10H, 0F8H, 0FFH, 1FH, 40H, 82H;
DB 1FH, 40H, 0A0H, 10H, 40H, 90H, 10H, 40H;
DB 9CH, 1FH, 40H, 8FH, 1FH, 0F8H, 8FH, 10H;
DB 0F8H, 94H, 10H, 40H, 0B4H, 10H, 40H, 0F4H;
DB 1FH, 40H, 0C4H, 1FH, 60H, 86H, 10H, 60H;
DB 06H, 18H, 40H, 06H, 18H, 00H, 00H, 10H;"蓝",0
DB 00H, 00H, 00H, 00H, 10H, 00H, 00H, 10H;
DB 00H, 00H, 08H, 00H, 00H, 04H, 00H, 00H;
DB 0FFH, 1FH, 80H, 0FDH, 3FH, 0C0H, 44H, 30H;
DB 70H, 44H, 30H, 78H, 44H, 30H, 58H, 44H;
DB 30H, 40H, 7CH, 30H, 40H, 7EH, 30H, 40H;
DB 47H, 30H, 0C0H, 45H, 30H, 0E0H, 44H, 30H;
DB 60H, 44H, 30H, 40H, 0FEH, 30H, 00H, 0FEH;
DB 30H, 00H, 04H, 30H, 00H, 00H, 3CH, 00H;
DB 00H, 3FH, 00H, 00H, 18H, 00H, 00H, 00H;"色",1
DB 00H, 00H, 00H, 00H, 81H, 00H, 00H, 83H;
DB 10H, 08H, 8EH, 3FH, 10H, 0E6H, 3FH, 70H;
DB 38H, 00H, 60H, 2EH, 00H, 80H, 25H, 00H;
DB 00H, 22H, 06H, 80H, 0FDH, 0FH, 0C0H, 0FFH;
DB 05H, 0F8H, 22H, 04H, 78H, 22H, 04H, 48H;
DB 0E6H, 04H, 40H, 0BEH, 17H, 40H, 3AH, 35H;
DB 40H, 22H, 34H, 40H, 22H, 3CH, 40H, 0FFH;
DB 1FH, 60H, 0FFH, 0FH, 60H, 22H, 06H, 60H;
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ID:140183 · 发表于 2017-12-4 06:19

非常好,多谢大侠啦!

ID:707654 · 发表于 2020-3-16 21:17

大佬，想请问一下仿真中LED点阵的接法，如何区分行线列线，以及如何对应接到译码器和寄存器上去，谢谢了

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