下面是线路连接图，我自己已经搞了整整一个测试成功了绝对可用
由于篇幅有限完整的c51代码下载 ：http://www.51hei.com/f/12864wu.rar
源代码：
#include<reg52.h>
#define LCD P0
unsigned char i,j,k;
sbit EN=P2^0;
sbit RW=P2^1;
sbit RS=P2^2;
sbit CS1=P2^3;
sbit CS2=P2^4;
sbit BUSY=P0^0;
void delay(unsigned char a);
unsigned char code ban[16][16]={
{0x00,0x00,0x00,0xf0,0x90,0x90,0x90,0xfe,0x90,0x90,0x90,0xf0,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x07,0x04,0x04,0x04,0x3f,0x24,0x24,0x24,0x27,0x20,0x38,0x00,0x00},//电
{0x00,0x00,0x00,0x00,0x8c,0x88,0x88,0x88,0x88,0xc8,0xa8,0x98,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x21,0x7f,0x00,0x00,0x00,0x00,0x00,0x00,0x00},//子
{0x00,0x00,0x00,0x00,0x10,0x10,0x30,0x54,0x9c,0x90,0x50,0x00,0x30,0x10,0x00,0x00},
{0x00,0x40,0x30,0x0c,0x03,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00},//产
{0x00,0x00,0x00,0x00,0x7c,0x44,0x44,0x44,0x44,0x44,0x44,0x7c,0x00,0x00,0x00,0x00},
{0x00,0x00,0x3f,0x21,0x21,0x21,0x3f,0x00,0x00,0x3f,0x21,0x21,0x21,0x3f,0x00,0x00},//品
{0x00,0x00,0x00,0x00,0x0c,0x08,0x08,0x08,0xf8,0x08,0x08,0x08,0x08,0x00,0x00,0x00},
{0x00,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x3f,0x20,0x20,0x20,0x20,0x30,0x00,0x00},//工
{0x00,0x90,0x90,0x88,0xf8,0x84,0x86,0x00,0x7c,0x44,0x44,0x44,0x44,0x7c,0x00,0x00},
{0x40,0x30,0x0c,0x02,0x7f,0x02,0x0c,0x10,0x49,0x49,0x49,0x7f,0x49,0x49,0x00,0x00},//程
{0x00,0x10,0x10,0x10,0xfc,0x90,0x10,0x00,0xd0,0x50,0x50,0x7e,0x50,0xd0,0x50,0x00},
{0x04,0x08,0x04,0x22,0x7f,0x00,0x40,0x20,0x10,0x09,0x06,0x06,0x09,0x10,0x20,0x40},//技
{0x00,0x00,0x10,0x10,0x10,0xd0,0x10,0xfe,0x10,0x50,0x94,0x1c,0x10,0x00,0x00,0x00},
{0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x7f,0x00,0x00,0x00,0x03,0x04,0x18,0x60,0x00},//术
};
unsigned char code qrs[6][16]={
{0x00,0x00,0xbc,0xe0,0xa0,0xa0,0xe0,0xa0,0x3f,0xa0,0x60,0x20,0x20,0x3c,0x00,0x00},
{0x00,0x00,0x00,0x3f,0x24,0x24,0x3f,0x22,0x11,0x09,0x05,0x07,0x09,0x13,0x20,0x00},//嵌
{0x00,0x00,0x00,0x00,0x02,0x04,0xc8,0x30,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00},
{0x00,0x40,0x20,0x18,0x06,0x01,0x00,0x00,0x00,0x00,0x00,0x03,0x06,0x0c,0x30,0x00},//入
--{0x00,0x00,0x00,0x20,0xa0,0xa0,0xa0,0xa0,0xa2,0xa4,0x38,0xe0,0x24,0x2c,0x00,0x00},
{0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x0f,0x09,0x04,0x04,0x00,0x07,0x18,0x20,0x00},//式
};
checkbusy()
{ EN=1;
RW=1;
RS=0;
LCD=0XFF;
if(BUSY);
}
writecode(unsigned char dat) //写命令
{ checkbusy();
EN=1;
RW=0;
RS=0;
LCD=dat;
EN=1;
EN=0;
}
writedata(unsigned char dat) //写数据
{ checkbusy();
EN=1;
RW=0;
RS=1;
LCD=dat;
EN=1;
EN=0;
}
void displayhanzi(unsigned char page,unsigned char lineaddress,int n, unsigned char table[][16])
{
unsigned char temp[32];
if(lineaddress<0X80)
{CS1=1;
CS2=0;}//left
for(j=0;j<n;j++)
{
if(lineaddress>=0X80)
{
CS1=0;//right
CS2=1;
lineaddress=lineaddress-0X40;
}
////////////////////////////////////////
for(k=0;k<16;k++)
{temp[k]=table[j][k];}
j+=1;
for(k=0;k<16;k++)
{temp[16+k]=table[j][k];} //一个字：占两个字符，32个数据（temp[32])
///////////////////////////////////////
writecode(page);
writecode(lineaddress);
for(i=0;i<16;i++)
{ writedata(temp[i]);}
writecode(page+1);
writecode(lineaddress);
for(i=16;i<32;i++)
{ writedata(temp[i]);} //写一个字：每页16个数据
////////////////////////////////////////////////
lineaddress+=16;
delay(200);
}
}
void clear()
{
unsigned char b=0x40,c,d;
for(c=0;c<4;c++)
{
for(a=0;a<8;a++)
{
switch(c)
{
case 0:d=0xb8;break;
case 1:d=0xba;break;
case 2:d=0xbc;break;
default:d=0xbe;
}
displayhanzi(d,b,2,&lin);
b+=0x10;
}
b=0x40;
}
}
void lcdinti()
{ writecode(0X3f);//显示开关关
writecode(0XC0);//修改显示起始行
writecode(0XB8);//修改页地址，x地址
writecode(0X40);//修改列地址，y地址
}
void delay(unsigned char a)
{
unsigned char i,j;
for(i=0;i<a;i++)
for(j=0;j<200;j++)
;
}
main()
{
lcdinti();
clear();
while(1)
{
displayhanzi(0XB8,0X40,12,&xx);
displayhanzi(0XBa,0X40,16,&ban);
displayhanzi(0XBc,0X60,6,&zjy);
displayhanzi(0XBe,0X60,6,&qrs);
delay(200);
clear();
displayhanzi(0XB8,0X40,12,&xx);
displayhanzi(0XBa,0X40,16,&ban);
displayhanzi(0XBc,0X60,4,&sg);
displayhanzi(0XBe,0X60,6,&qrs);
delay(200);
clear();
displayhanzi(0XB8,0X40,12,&xx);
displayhanzi(0XBa,0X40,16,&ban);
displayhanzi(0XBc,0X60,6,&qrs);
displayhanzi(0XBe,0X60,8,&jqyk);
delay(200);
delay(200);
delay(200);
delay(200);
delay(200);
delay(200);
delay(200);
delay(200);
clear();
}
}
汇编源代码：
完整代码下载：http://www.51hei.com/f/12864wuasm.rar
ORG 0100H
EN BIT 0A0H ;sbit EN=P2^0;
RW BIT 0A1H ;sbit RW=P2^1;
RS BIT 0A2H ;sbit RS=P2^2;
CS1 BIT 0A3H ;sbit CS1=P2^3;
CS2 BIT 0A4H
BUS BIT 80H
START:
CLR CS1
CLR CS2
CALL INIT
CALL CLEAR
CALL HANZI
SJMP $
WRITEDATA: ;入口参数R1
PUSH PSW
PUSH ACC
SETB EN
CLR RW
SETB RS
NOP
MOV P0,R1
NOP
SETB EN
NOP
NOP
CLR EN
POP ACC
POP PSW
RET
WRITECODE: ;入口参数R2
PUSH PSW
PUSH ACC
SETB EN
CLR RW
CLR RS
NOP
MOV P0,R2
NOP
SETB EN
NOP
NOP
CLR EN
POP ACC
POP PSW
RET
DELAY: ;入口参数R2
PUSH PSW
PUSH ACC
MOV R1,0FFH
A2: DEC R2
A1: DEC R1
DJNZ R1,A1
DJNZ R2,A2
POP ACC
POP PSW
RET
INIT:
PUSH PSW
PUSH ACC
MOV R2,0C0H
CALL WRITECODE
MOV R2,3FH
CALL WRITECODE
MOV R2,0BBH
CALL WRITECODE
MOV R2,50H
CALL WRITECODE
POP ACC
POP PSW
RET
CLEAR:
PUSH PSW
PUSH ACC
CLR CS1
CLR CS2
MOV R2,0B8H
B2:
MOV 31H,R2
PUSH 31H
CALL WRITECODE
MOV R2,40H
CALL WRITECODE
B1: MOV R1,#00H
CALL WRITEDATA
INC R2
CJNE R2,#80H,B1
POP 31H
INC 31H
MOV R2,31H
CJNE R2,#0BEH,B2
POP ACC
POP PSW
RET
HANZI:
PUSH PSW
PUSH ACC
CALL INIT
ANL A,#00H
MOV DPTR,#DAT
B3:
MOVC A,@A+DPTR
MOV R1,A
CALL WRITEDATA
INC R2
INC A
CJNE R2,#50H,B3
MOV R2,0B9H
CALL WRITECODE
MOV R2,40H
CALL WRITECODE
B4:
MOVC A,@A+DPTR
MOV R1,A
CALL WRITEDATA
INC R2
INC A
CJNE R2,#50H,B4
POP ACC
POP PSW
RET
DAT:
DB 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01
DB 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01
END