Proteus AT89C51+LCD1602 仿真及烧制运行

1.Protues 中LCD1602对应的模块为LM016L,

  其控制芯片一般为HD447780,但也有些是KS0066,KS0066可与HD44780兼容.

 另注意点是V0和Vss间要接一个1K的电阻，有些须通过接10k的电位器进行调整。

 

2.1602引脚

3.proteus仿真图

  

 

 

4:代码

 

1.//filename:glocal.h//latest revise:2010-07-01//by:alex shoal//email:[e-mail]#define uchar unsigned char#define uint unsigned int2.//filename:ks0066.H//latest revise:2010-07-01//by:alex shoal//email:[e-mail]#define DATA_PORT P1//-------------------------------------------// 管脚定义 //------------------------------------------sbit RS=P2^0; //数据(L)/命令(H)选择sbit LCDRW=P2^1; //写，低电平有效sbit EN=P2^2; //使能,低电平有效//===========================================// 函数声明//-------------------------------------------void delay_lcd(char);void write_data(char);void write_com(char);void lcd_init();void delay_ms(char);void print_string(char*);//--------------------------------------------// 写数据函数//--------------------------------------------void write_data(char dat){RS=1; //数据LCDRW=0; //写DATA_PORT=dat; //把数据送到P口delay_ms(5); //当晶振较高时加延时EN=1;delay_ms(5); //当晶振较高时加延时EN=0; //关使能}//--------------------------------------------// 写命令函数//--------------------------------------------void write_com(char com){RS=0; //命令LCDRW=0; //写DATA_PORT=com;delay_ms(5); //当晶振较高时加延时EN=1;delay_ms(5); //当晶振较高时加延时EN=0;}//--------------------------------------------// 1602初始化函数//--------------------------------------------void lcd_init(){LCDRW=0;RS=0;write_com(0x36); //set text home addresswrite_com(0x0f); //display switch,display on,cursor on,blink on.write_com(0x38);write_com(0x06); //input set.write_com(0x01); //screen clearwrite_com(0x80); //DDRAM AD set to 00h,}void print_string(char* str){int i;for(i=0;str[i]!=0;i++){write_data(str[i]);}}//--------------------------------------------// 延时函数//--------------------------------------------void delay_ms(uchar t){int j;for(;t!=0; t--)for (j=0;j<255;j++);}3.//latest revise:2010-07-01//by:alex shoal//email:[e-mail]#include<reg51.h>#include"global.h"#include "ks0066.h" // for lcd 1602main(){ lcd_init();print_string("Hello World!"); write_com(0xc0); //DDRAM AD set to 00h, print_string("This is Alex!"); //write_com(0xc0); //DDRAM AD set to 00h, //print_string("XXX!");while(1);} 

 

5.仿真结果

 

6。实际运行拍照。

 

7.电路其他部分。