求用stc89c52单片机控制蜂鸣器发出音乐的c语言程序。最好有详解。谢谢...答:0x30, 0x20, 0x2B , 0x40,0x20, 0x30, 0x1C , 0x10,0x18, 0x20, 0x15 , 0x20,0x1C, 0x20, 0x20 , 0x20,0x26, 0x40, 0x20 , 0x20,0x2B, 0x20, 0x26 , 0x20,0x20, 0x20, 0x30 , 0x80,0x20, 0x30, 0x1C , 0x10,0x20, 0x10, 0x1C , 0x10,0x20, 0x20...
用52单片机C语言编写程序,实现00~59计时。要求用T0,工作方式1。_百度...答:sbit dula=P2^6; //段选 sbit wela=P2^7; //位选 uchar shi,ge,num1,num2; //变量 uchar code table[]={0x3f,0x06,0x5b,0x4f,//共阴极字型码 0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};void delay(uint x) //延时子程序 { uint i,j...
求52单片机汇编程序,简单的电子钟实现59到0循环显示,倒计时秒表_百度知 ...答:MOV R7,#100 DJNZ R7,DJNZ R6,DLY01 RET ;--- BEGIN:MOV SP,#5FH MOV TMOD,#11H MOV TH0,#3CH MOV TL0,#0B0H MOV TH1,#0F4H MOV TL1,#48H MOV LEDC,#6 MOV R0,#LEDD CLR A INIT:MOV @R0,A INC R0 DJNZ LEDC,INIT SETB ET1 SETB TR1 MOV P2,#0 MOV TCNT,...