急求一个51单片机流水灯（16个灯）设计电路图和汇编程序！！

Question

如题所述

Answer 1

流水灯还要什么电路图？阴极随便接2
个IO口，阳极串一小电阻（320~510）到+5V
。
ORG
0000H
AJMP
MAIN
ORG
0030H
MAIN:
MOV
R0,#8
MOV
A,#0FEH
DISP:
MOV
P0,A
ACALL
DLY200
RL
A
DJNZ
R0,DISP
MOV
R0,#8
MOV
P0,#0FFH
DISP1:
MOV
P1,A
ACALL
DLY200
RL
A
DJNZ
R0,DISP1
MOV
R0,#8
MOV
P1,#0FFH
AJMP
DISP
DLY200:
;延时200us,误差
0us
MOV
R7,#04H
DL1:
MOV
R6,#74H
DL0:
MOV
R5,#0D6H
DJNZ
R5,$
DJNZ
R6,DL0
DJNZ
R7,DL1
NOP
RET
END