单片机液晶显示中1602中的RS是英语什么的缩写，谢谢啦

Question

如题所述

Answer 1

#include<reg52.h>
#define uchar unsigned char 
#define uint unsigned int
sbit lcdrs=P1^0;
sbit lcden=P1^2;
sbit lcdwr=P1^1;
uchar CGCODE[]={0x08,0x0F,0x12,0x0F,0x0A,0x1F,0x02,0x02,//"年"代码 0x00
0x0F,0x09,0x0F,0x09,0x0F,0x09,0x13,0x00,//"月"代码 0x01
0x0F,0x09,0x09,0x0F,0x09,0x09,0x0F,0x00,//"日"代码 0x02
0x07,0x04,0x07,0x04,0x07,0x00,0x04,0x07,//"星"左上半部分代码 0x03
0x1F,0x01,0x1F,0x01,0x1F,0x08,0x08,0x1F,//"星"右上半部分代码 0x04
0x08,0x17,0x00,0x1F,0x00,0x00,0x00,0x00,//"星"左下半部分代码 0x05
0x08,0x1F,0x08,0x1F,0x00,0x00,0x00,0x00//"星"右下半部分代码 0x06 
};
uchar tab[]={'0','8',0x00,'0','3',0x01,'0','9',0x02};//显示"08年03月09日"
void delay(uint t)
{
uint x,y;
for(x=0;x<t;x++)
for(y=0;y<110;y++);
}
void write_com(uchar com)//向1602写指令
{
lcdrs=0;
P2=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_date(uchar dat)//向1602写数据
{
lcdrs=1;
P2=dat;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()//程序初始化
{
lcdwr=0;
lcden=0; 
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
void main()//主函数
{
int i;
init();
lcdrs=0;
lcdwr=0;
write_com(0x40);//将自定义字符写入CGRAM
for(i=0;i<56;i++)//循环56次写入
{
write_date(CGCODE[i]); 
}
write_com(0x80);//写入初始地址
for(i=0;i<9;i++)
{
write_date(tab[i]);
} 
write_com(0x80+9);//用09H和0AH显示"星"上部分
write_date(0x03);
write_date(0x04);
write_com(0x80+0x40+9);/ /用49H和4AH显示"星"上部分
write_date(0x05);
write_date(0x06);
while(1); 
} <收起追答

rs是四管脚 命令/数据选择线，

Answer 2

那是数据或命令的选择脚，低的时候是读写命令或状态，高是读写数据

Answer 3

Register Select本回答被提问者采纳

Answer 4

reset吧，看说明书呀