刚开始学51单片机,学点流水灯时有些问题:P1 = 0xAA; //点亮 D1,D3...答:1~8灯连接的是P1.0~P1.7,当P1=0xaa=0b10101010,那么1,3,5,7灯对应的是0,所以是1,3,5,7灯亮,如果要2,4,6,8灯亮么只要按位取反P1=0b01010101=0x55就行了。要学单片机的话我建议你先找本数电的书看看吧,最基本的二进制码都没搞明白,难。
用51单片机控制16个流水灯,依次左移点亮,。高分答:^_^,太简单了 用P0,P2做输出口,高电平亮P0。0为最低位 MOV 30H,#00H;MOV 31H,#01H LP:MOV P0,30H MOV P2 31H LCALL d_250 LCALL d_250 CLR C MOV A,30H RL A JC LP1 MOV A,31H JC LP2 JMP LP LP1:MOV 31H,#01H MOV 30H,#00H JMP LP LP2:MOV 30H,#01H MOV...
单片机。编程。实现流水灯循环不断。8个发光二极管。晶振为6mhz_百度知...答:用的是P1口org 000h start:mov r0,#07h mov r1,#07h mov a,#01h mov p1,a acall time loop1:RL a mov p1,a acall time djnz r0,loop1 loop2:rr a mov p1,a acall time djnz r1,loop2 ljmp start time:MOV R5,#20 LP3:MOV R6,#100 LP2:MOV R7,#100 LP1:DJNZ R7,LP1...