proteus电路
（为什么有液晶那里有些口是灰色的？？）
#include <reg52.h>
#define uchar unsigned char
sbit lcden=P3^4;
sbit lcdrs=P3^5;
uchar num;
uchar code table[]="I LOVE MCU";
uchar code table1[]="WWW.TXMCU.COM";
void delay(uchar z)
{ int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)
{
lcdrs=0;
lcden=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date)
{
lcdrs=1;
lcden=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void iint()
{
lcden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
void main()
{
iint();
write_com(0x80);
for(num=0;num<11;num++)
{
write_data(table[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<13;num++)
{ write_data(table1[num]) ;
delay(5);
}
while(1);
}
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