中文图形12864点阵液晶显示模块与51单片机的并行接口电路及c51程序设计

李志广等：中文图形１２８６４点阵液晶显示模块与５ｌ单片机的并行接口电路及Ｃ５１程序设计文章编号：１００６－６２６８（２００８）０７—００４１－－０４
单片机，的撇口呶Ｃ５中文图形１２８６４点阵液晶显示橄与５１
技术
究
１程序设计玩
李志广１２。李晓泉３，淮俊霞１’２（１．河：ｉｌ：－ｒ业大学应用物理系。天津３００１３０；２。深圳市拓普微科技开发有限公司。深圳５１８０５７；
中图分类号：ＴＮ４０
文献标识码：Ａ
ＰａｒａｌｌｅｌＩｎｔｅｒｆａｃｅＴｅｃｈｎｉｑｕｅｂｅｔｗｅｅｎＣｈｉｎｅｓｅＧｒａｐｈｉｃ１２８６４ＤｏｔＭａｔｒｉｘＬＣＤＭｏｄｕｌｅａｎｄ５１ＳｉｎｇｌｅｃｈｉｐａｎｄＣ５１Ｐｒｏｇｒａｍｍｉｎｇ
ＬＩＺｈｉ－ｇｕａｎ９１２，ＬＩＸｉａｏ－ｑｕａｎ３，ＨＵＡＩＪｕｎ－ｘｉａｌ卫（１．ＤｅｐａｒｔｍｅｎｔｏｆＡｐｐｌｉｅｄＰｈｙｓｉｃｓ，ＨｅｂｅｉＵｎｉｖｅｒｓｉｔｙｏｆＴｅｃｈｎｏｌｏｇｙ，Ｔｉａｎｊｉｎ３００１３０，Ｃｈｉｎａ；
ＶＳＳＶＤＤ
ＮＣＲＳ（ＣＳ）
Ｒ／Ｗ（ＳＩＤ）Ｅ（ＳＣＬＫ）
ＤＢ０—７ＰＳＢＮＣ，ＲＳＴＮＣＢＬＡＢＬＫ
图２ＡＴ８９Ｓ５２和液晶ＬＭ３０３３Ｂ一０ＢＲ．３模块的接口电路及ＬＭ３０３３Ｂ一０ＢＲ３引脚功能
晶的时５１程序设计
纹对ＬＭ３０３３Ｂ—ＯＢＲ３的软件编程采用Ｍｅｄｗｉｎ术
表１字符显示的ＲＡＭ地址与３２个中文字符显示区域的对应关系
８０Ｈ９０Ｈ８８Ｈ９８Ｈ
８ｌＨ９ｌＨ８９Ｈ９９ｔｔ
８２Ｈ９２Ｈ８ＡＨ９ＡＨ
８３Ｈ９３Ｈ８ＢＨ９ＢＨ
８４Ｈ９４Ｈ８ＣＨ９ＣＨ
８５Ｈ９５Ｈ８ＤＨ９ＤＨ
８６Ｈ９６Ｈ８ＥＨ９ＥＨ
８７Ｈ９７Ｈ８ＦＨ９ＦＨ
ｉ始化、操作及写入显示内容的代码。以上接口电路和
黝｛”耩相应的程序已经通过调试，并在实际中得到应用。由
ＳＴ７９２０构成的ＬＭ３０３３Ｂ一０ＢＲ３液晶显示模块与
同类型的图形点阵液晶显示模块相比，不论硬件电
路结构或显示程序都要简洁得多。因此，
ＬＭ３０３３Ｂ一０ＢＲ３液晶显示模块将得到广泛的应
用。（上接第１５页）
ＶＤＤＰＳＢ
ＤＢ０ＤＢｌＤＢ二ＤＢ３ＤＢ４ＤＢ５ＤＢ６ＤＢ７
ＲＳ
Ｒ／Ｗ
。＿
Ｅ
１０
Ｖｃｃ
１１
Ｅ五
１２
１；
１４
１５１６
１７
×ＴＡＬ２
Ｐ３Ｏｐ３７ｐ３６
Ｘ１－ＡＬｌＶ螺
３０ｐＦ
一卜
＝目：Ｍ
费｝Ｉ
管脚号
ｌ２３４５６７一１４１５１６１７１８１９２０
管脚名称
以ＬＭ３０３３Ｂ一０ＢＲ３为例介绍了１２８６４点阵液晶显示模块的引脚、结构、功能，详述了与ＡＴ８９Ｓ５２单片机的硬件接口电路及有关软件编程方法。
１ＬＭ３０３３Ｂ一０ＢＲ３特点及操作
１．１字符显示每屏可显示４行８列共３２个１６Ｘ１６点阵的
汉字，每个显示ＲＡＭ可显示１个中文宇符或２个１６Ｘ８点阵全高ＡＳＣＩＩ码字符，即每屏最多可实现３２个中文字符或６４个ＡＳＣＩＩ码字符的显示。内部提供１２８Ｘ２字节的字符显示ＲＡＭ缓冲区（ＤＤＲＡＭ）ｏ字符显示是通过将字符显示编码写入该字符显示ＲＡＭ实现的。根据写入内容的不同，可分别在液晶屏上显示ＣＧＲＯＭ（中文字库）、ＨＣＧＲＯＭ（ＡＳＣＩＩ码字库）及ＣＧＲＡＭ（自定义字形）的内容。三种不同字符／字型的选择编码范围为：显示自定义字型其代码分别是００００Ｈ、０００２Ｈ、０００４Ｈ和０００６Ｈ共４个，显示半宽ＡＳＣＩＩ码字符为０２Ｈ一７ＦＨ，Ａ１ＡＯＨ—Ｆ７ＦＦＨ显示８１９２种ＧＢ２３１２中文字库字形。字符显示ＲＡＭ在液晶模块中的地址８０Ｈ一９ＦＨ。字符显示的ＲＡＭ的地址与３２个字符显示区域有着一一对应的关系，其对应关系如表１所示［３１０
参考文献【１１Ｐ。Ｓ。Ｄｒｚａｉｃ，。ＲｅｆｌｅｃｔｉｖｅＤｉｓｐｌａｙｓ：ＴｈｅＱｕｅｓｔｆｏｒ
；。
；，
ｊ
焉
。
ｉ
蒗术
交
ＷＲＣＭＤ（０ｘ３０）；／／选择８位并行ＷＲＣＭＤ（０ｘｏｃ）；／／开显示（无游标、不反白）ＷＲＣＭＤ（０ｘ０１）：／／清除显示ＷＲＣＭＤ（０ｘ０４）；／／／ｓｈｉｆｔ＝０．ＡＣ加１
ｌ
’
辘４结论
”§ ，《
ｇ
在单片机与液晶的接口中，关键是要满足液晶
？的时序要求：在软件编程中，关键是要进行正确的初
２单片机与ＬＭ３０３３Ｂ—ＯＢＲ３的接口电路
一般液晶显示模块与单片机的接口分为直接访问方式和间接控制方式，间接控制方式还分为一位串行、４位并行以及８位并行。本文采用的ＡＴ８９Ｓ５２和液晶ＬＭ３０３３Ｂ—ＯＢＲ３模块的接口电路如图２所示。由于ＬＭ３０３３Ｂ—ＯＢＲ３采用并口通信，外接电路简单，与单片机连接采用间接连接的方法，即用Ｉ／０口直接与ＬＣＤ数据线和控制线相连，其特点是简单、直观、操作方便。在此电路中，采用软件模拟液
２．ＳｈｅｎｚｈｅｎＴｏｐｗａｙＴｅｃｈｎｏｌｏｇｙＣＯ．，ＬＴＤ．，Ｓｈｅｎｚｈｅｎ５１８０５７，Ｃｈｉｎａ；３．ＴｉａｎｊｉｎＬｉｇｈｔＩｎｄｕｓｔｒｙＤｅｓｉｇｎＩｎｓｔｉｔｕｔｅ，ＴｉａｎＪｉｎ３００１９３，Ｃｈｉｎａ）
Ａｂｓｔｒａｃｔ：ＨｏｗｔｏｃｏｎｔｒｏｌｔｈｅｔｉｍｅｓｅｑｕｅｎｃｅｏｆＬＭ３０３３Ｂ一０ＢＲ３ＬＣＤｍｏｄｕｌｅｂｙＣ５１ｐｒｏｇｒａｍｍｉｎｇｗａｓｄｉｓｃｕｓｓｅｄｉｎｔｈｉｓｐａｐｅｒ．ＩｎｔｈｉｓｗａｙｔｈｅＬＣＤｍｏｄｕｌｅｗａｓｄｒｉｖｅｎｂｙｐａｒａｌｌｅｌｃｏｍｍｕｎｉｃａｔｉｏｎａｎｄｔｈｅｃｈａｒａｃｔｅｒｓａｎｄｇｒａｐｈｉｃｓｃｏｕｌｄｂｅｄｉｓｐｌａｙｅｄｗｅｌｌ．ＴｈｅｐａｒａｌｌｅｌｉｎｔｅｒｆａｃｅｃｉｒｃｕｉｔａｎｄｔｈｅｓｏｆｔｄｅｓｉｇｎｂｅｔｗｅｅｎＬＭ３０３３Ｂ－０ＢＲ３ＬＣＤｍｏｄｕｌｅａｎｄＡＴ８９Ｓ５２ｗｅｒｅｎａｒｒａｔｅｄｉｎｄｅｔａｉｌ．Ｋｅｙｗｏｒｄｓ：ＬＭ３０３３Ｂ－ＯＢＲ３ＬＣＤｍｏｄｕＩｅ：ＳＴ７９２０ｃｏｎｔｒｏｌｌｅｒ；ＡＴ８９Ｓ５２ｓｉｎｇｌｅｃｈｉｐｍｉｃｙｏｃｏ；Ｃ５１ｐｒｏｇｒａｍｍｉｎｇ
对于前端加工工序来说，关键设备是高通量印刷
机、研磨机、装配机、清洗机。主要加工因素是良好的表
面清洁度、低颗粒污染率、良好的器件单元间隔和厚
度层控制。后端生产过程与传统ＬＣＤ生产相比不变。
结论
电子纸市场发展迅速。Ｎｅｍｏｐｔｉｃ作为市场的主导和积极角色，已经和它的制造伙伴ＳｅｉｋｏＩｎｓｔｒｕｍｅｎｔｓ，Ｉｎｃ建立了一个ＢｉＮｅｍ液晶显示器模块的批量生产基地。
收稿日期：：２００８－０１—２７
万方数据
ＪＩｌｌ．，２００８，总第９０期
现代显示ＡｄｖａｎｃｅｄＤｉｓｐｌａｙ４１
李志广等：中文图形１２８６４点阵液晶显示模块与５ｌ单片机的并行接１：３电路及ＣＳＩ程序设计
引言
显示器是人类与应用设备沟通的重要界面，近年姑来，随着电子技术的飞速发展，液晶显示技术在实际术生活中得到了广泛应用。液晶显示模块以其微功耗、
ａ．关闭绘图显示功能（在写入绘图ＲＡＭ期间，绘图显示必须关闭）Ⅻ；
ｂ．先将垂直的位元组（Ｙ）写入绘图ＲＡＭ位址；ｃ．再将水平的位元组ｌＸ）写入绘图ＲＡＭ位址；ｄ．将Ｄ１５一Ｄ８写入到ＲＡＭ中；ｅ．将Ｄ７一ＤＯ写入到ＲＡＭ中。
００
Ｄ１５一Ｄ００Ｄ０Ｉ
避Ｉｌｌ：
暑＝ｌ，
坦００
婚
Ｏｌ
霎体积小、显示内容丰富、模块化以及接口电路简单等
诸多优点在科研、生产和产品设计等领域中发挥着越３来越重要的作用“司。ＬＭ３０３３Ｂ系列液晶显示模块
是深圳ＴＯＰＷＡＹ公司生产的中文显示模块中的一 ‘，员。采用了台湾的ＳＴ７９２０控制芯片，并提供了中文ｊ字库，为中文显示开发方面带来了更多的方便。本文
写命令到ＬＣＤ：ｖｏｉｄＷＲＣＭＤ（ｕｃｈａｒｃｍｄｃｏｄｅ）
（
ｃｈｋ—．ｂｕｓｙ（）；
ＲＳ＝Ｏ；
ＲＷ＝Ｏ；
Ｅ＝Ｉ：
Ｉｃｄ．．ｂｕｓ＝ｃｍｄｃｏｄｅ；Ｅ＝０：
ｌ写数据到ＬＣＤ：ｖｏｉｄＷＲＤａｔａ（ｕｃｈａｒＤｉｓｐｄａｔａ）｛
ｃｈｋ＿ｂｕｓｙ（）；
ＲＳ＝Ｉ：
ＲＷ＝Ｏ；
Ｅ＝Ｉ：
Ｉｃｄ—ｂｕｓ＝Ｄｉｓｐｄａｔａ：Ｅ＝０：
３．天津市轻工业设计院。天津３００１９３）
摘要：讨论如何利用软件控制ＬＭ３０３３Ｂ一０ＢＲ３液晶显示模块时序，采用Ｃ５１语言编程，驱动
液晶模块实现并行传输方式的字符、汉字以及图形显示。具体阐述了ＬＭ３０３３Ｂ一０ＢＲ３液晶显示
模块与单片机ＡＴ８９Ｓ５２的并行接口电路和软件编程方法。
关键词：ＬＭ３０３３Ｂ一０ＢＲ３液晶显示模块；ＳＴ７９２０控制器；ＡＴ８９Ｓ５２单片机；Ｃ５１编程
｛
堰ｌｒ
Ｄ１５一ＤＯ０８
口１Ｄ１５，４３０
农平警妊
０６Ｄ１５－ＤＯ
Ｉ
Ｉ
ｌｌ
１２８×６４点
Ｄ１５－Ｄ００９
Ｄ１５一ＤＤ０Ｅ
ａ７Ｄ１５－Ｄ０
Ｄ＇５－ＤＯ０Ｆ
图１绘图ｔＬＡＭ与屏幕显示区域的对应关系
１．３ＬＭ３０３３Ｂ一０ＢＲ３的操作指令ＬＭ３０３３Ｂ一０ＢＲ３提供两套控制命令：基本指
４２现代显示ＡｄｖａｎｃｅｄＤｉｓｐｌａｙ
万方数据

合集下载

51单片机和12864液晶显示实例——C语言

#include <reg51.h>#define unchar unsigned char #define unint unsigned intsbit RS=P2^7;sbit RW=P2^6;sbit E=P2^5;void delay(unsigned int t){unsigned int i,j;for(i=0;i<t;i++)for(j=0;j<10;j++);}void busy(){RS=0;RW=1;E=1;P0=0xff;while((P0&0X80)==0x80); }void write_com(unchar com) {busy();RS=0;RW=0;E=1;P0=com;delay(5);E=0;delay(5);}void write_date(unchar date) {busy();RS=1;RW=0;E=1;P0=date;// delay(5);E=0;// delay(5);}void init(){delay(2000);write_com(0x30); //选择基本指令，选择8位数据流delay(5);write_com(0x0c); //开显示（无游标，不反白）delay(10);write_com(0x01); //清除显示，并且设定地址指针为00H delay(500);write_com(0x06);// 设定游标移动方向}void sendaddr(unchar n,unchar m){switch(n){case 1:write_com(0x80+m);break;case 2:write_com(0x90+m);break;case 3:write_com(0x88+m);break;case 4:write_com(0x98+m);break;}}void display(unchar n,unchar m,unchar *s){sendaddr(n,m);while(*s>0){write_date(*s);s++;delay(100);}}void main(){unchar *s;init();s="甲：“我来了”";display(1,0,s);s="乙：“热烈欢迎。

C51单片机和12864液晶显示制作十位简易计算器C源码

#include <reg51.h>#include<intrins.h>#include<math.h>#include<stdlib.h>sbit RS=P2^0;sbit RW=P2^1;sbit E=P2^2;sbit BUZZER=P1^0;#define unchar unsigned char#define unint unsigned intvoid delay(unsigned int t){unsigned int i,j;for(i = 0;i < t;i ++)for(j = 0;j < 120;j ++);}void busy() //判断忙状态{RS=0;RW=1;E=1;P0=0xff;while((P0&0X80)==0x80);_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();}void write_com( unsigned char com){ _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();busy();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();RS=0;RW=0;E=1;P0=com;_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();E=0;_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();}void write_date(unchar date){ _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();busy();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();RS=1;RW=0;E=1;P0=date;E=0;}void init() //液晶初始化{write_com(0x30); //选择基本指令，选择8位数据流_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();write_com(0x0c); //开显示（无游标，不反白）0x0e显示游标_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();write_com(0x01); //清除显示，并且设定地址指针为00H_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); _nop_();write_com(0x06);// 设定游标移动方向}void sendaddr(unchar n,unchar m) //送地址{switch(n){case 1:write_com(0x80+m);break;case 2:write_com(0x90+m);break;case 3:write_com(0x88+m);break;case 4:write_com(0x98+m);break;}}void display(unchar n,unchar m,unchar *s) //显示字符串{sendaddr(n,m);while(*s>0){write_date(*s);s++;}void clearscreen() //清屏{write_com(0x01);}void tishi(){clearscreen();display(1,0,"超出计算范围");display(2,0,"请按复位键");display(3,0,"并重新输入");display(4,0,"否则会出现错误");}void displayshu(unchar n,unchar m, long rzt) //显示字符串{ unchar i,j,k,x,p;unchar t[10]={0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};unsigned char array[10];array[9]=(int)rzt%10;array[8]=((int)rzt/10)%10;array[7]=((int)rzt/100)%10;array[6]=((int)rzt/1000)%10;array[5]=((int)rzt/10000)%10;array[4]=((int)rzt/100000)%10;array[3]=((int)rzt/1000000)%10;array[2]=((int)rzt/10000000)%10;array[1]=((int)rzt/100000000)%10;array[0]=(int)rzt/1000000000;sendaddr(n,m);for(i=0;i<10;i++){if(array[i]==0)p=i;elsebreak;}for(j=p+1;j<10;j++){t[k]=array[j] ;k++;}while(t[x]!=0xff)write_date(t[x]+0x30);x++;}}void main(void){unchar i,j,opt,p;long b,c,rzt;start:init();delay(20);i=0;j=0;rzt=0;b=0;c=0;write_com(0x80);while(1) //输入第一个数{P3=0xfe;if(P3!=0xfe){delay(40);if(P3!=0xfe){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;write_date(0+0x30);b=b*10+0;i++;if(i==11)tishi(); break;case0xb0:BUZZER=0;delay(80);BUZZER=1;write_date(1+0x30);b=b*10+1;i++;if(i==11)tishi(); break;case0xd0:BUZZER=0;delay(80);BUZZER=1;write_date(2+0x30);b=b*10+2;i++;if(i==11)tishi(); break;case0xe0:BUZZER=0;delay(80);BUZZER=1;write_date(3+0x30);b=b*10+3;i++;if(i==11)tishi(); break;}if(P3!=0xfe);delay(30);while(P3!=0xfe);}}P3=0xfd;if(P3!=0xfd){delay(40);if(P3!=0xfd){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;write_date(4+0x30);b=b*10+4;i++;if(i==11)tishi(); break;case0xb0:BUZZER=0;delay(80);BUZZER=1;write_date(5+0x30);b=b*10+5;i++;if(i==11)tishi(); break;case0xd0:BUZZER=0;delay(80);BUZZER=1;write_date(6+0x30);b=b*10+6;i++;if(i==11)tishi(); break;case0xe0:BUZZER=0;delay(80);BUZZER=1;write_date(7+0x30);b=b*10+7;i++;if(i==11)tishi(); break;}if(P3!=0xfd);delay(30);while(P3!=0xfd);}}P3=0xfb;if(P3!=0xfb){delay(40);if(P3!=0xfb){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;write_date(8+0x30);b=b*10+8;i++;if(i==11) tishi(); break;case0xb0:BUZZER=0;delay(80);BUZZER=1;write_date(9+0x30);b=b*10+9;i++;if(i==11) tishi(); break;case0xd0:BUZZER=0;delay(80);BUZZER=1;p=1;write_com(0x97);write_date(0x2b);opt=10; goto two; break;case0xe0:BUZZER=0;delay(80);BUZZER=1;p=1;write_com(0x97);write_date(0x2d);opt=11; goto two; break;}if(P3!=0xfb);delay(30);while(P3!=0xfb);}}P3=0xf7;if(P3!=0xf7){delay(40);if(P3!=0xf7){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;p=1;write_com(0x97);write_date(0x2a);opt=12; goto two; break;case0xb0:BUZZER=0;delay(80);BUZZER=1;p=1;write_com(0x97);write_date(0x2f);opt=13; goto two; break;case 0xd0:BUZZER=0;delay(80);BUZZER=1; clearscreen();goto start;break;case 0xe0:BUZZER=0;delay(80);BUZZER=1; clearscreen();goto start;break;}if(P3!=0xf7);delay(30);while(P3!=0xf7);}}}two:write_com(0x88);while(1) //输入第二个数{P3=0xfe;if(P3!=0xfe){delay(40);if(P3!=0xfe){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;write_date(0+0x30);c=c*10+0;j++;if(j==11)tishi(); break;case0xb0:BUZZER=0;delay(80);BUZZER=1;write_date(1+0x30);c=c*10+1;j++;if(j==11)tishi(); break;case0xd0:BUZZER=0;delay(80);BUZZER=1;write_date(2+0x30);c=c*10+2;j++;if(j==11)tishi(); break;case0xe0:BUZZER=0;delay(80);BUZZER=1;write_date(3+0x30);c=c*10+3;j++;if(j==11)tishi(); break;}if(P3!=0xfe);delay(30);while(P3!=0xfe);}}P3=0xfd;if(P3!=0xfd){delay(40);if(P3!=0xfd){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;write_date(4+0x30);c=c*10+4;j++;if(j==11)tishi();brea k;case0xb0:BUZZER=0;delay(80);BUZZER=1;write_date(5+0x30);c=c*10+5;j++;if(j==11)tishi();brea k;case0xd0:BUZZER=0;delay(80);BUZZER=1;write_date(6+0x30);c=c*10+6;j++;if(j==11)tishi();brea k;case0xe0:BUZZER=0;delay(80);BUZZER=1;write_date(7+0x30);c=c*10+7;j++;if(j==11)tishi();break ;}if(P3!=0xfd);delay(30);while(P3!=0xfd);}}P3=0xfb;if(P3!=0xfb){delay(40);if(P3!=0xfb){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;write_date(8+0x30);c=c*10+8;j++;if(j==11)tishi(); break;case0xb0:BUZZER=0;delay(80);BUZZER=1;write_date(9+0x30);c=c*10+9;j++;if(j==11)tishi(); break;case0xd0:BUZZER=0;delay(80);BUZZER=1;if(p==0){ write_com(0x97); write_date(0x2b);} break;case0xe0:BUZZER=0;delay(80);BUZZER=1;if(p==0){ write_com(0x97); write_date(0x2d);} break;}if(P3!=0xfb);delay(30);while(P3!=0xfb);}}P3=0xf7;if(P3!=0xf7){delay(40);if(P3!=0xf7){switch(P3&0xf0){case0x70:BUZZER=0;delay(80);BUZZER=1;if(p==0){ write_com(0x97); write_date(0x2a);} break;case0xb0:BUZZER=0;delay(80);BUZZER=1;if(p==0){ write_com(0x97); write_date(0x2f);} break;case 0xd0:BUZZER=0;delay(80);BUZZER=1;goto answer;break;case 0xe0:BUZZER=0;delay(80);BUZZER=1; clearscreen();goto start;break;}if(P3!=0xf7);delay(30);while(P3!=0xf7);}}}answer:write_com(0x98);write_date(0x3d);if(c==0&&opt==13) //错误处理{display(2,0,"分母不能为零");clearscreen();goto start;}switch(opt){case 10:rzt=(b+c);displayshu(4,2,rzt);break;case 11:rzt=(b-c);if(rzt<0){rzt=c-b;write_date(0x2d);} displayshu(4,2,rzt);break;case 12:rzt=(b*c);displayshu(4,2,rzt);break;case 13:rzt=(b/c);if((int)b%(int)c==0)displayshu(4,2,rzt);elserzt=rzt*1000;displayshu(4,2,rzt);break;}//错误处理与显示if(rzt>9999999999){clearscreen();display(2,1,"超出计算范围");delay(1000);goto start;}while(1){P3=0xf7;if(P3!=0xf7){delay(40);if(P3!=0xf7){if((P3&0xf0)==0xe0){goto start;}if(P3!=0xf7);delay(30);while(P3!=0xf7);}}}}。

51单片机 12864液晶显示并口和串口连接程序

sent(DATA&0XF0); //先写高位后写低位
sent((DATA&0X0F)<<4); //低位
}
void AUTO(uchar *add)
{
uchar cnt=0;
while(*(add+cnt)!='\0')
{
writLCD(1,*(add+cnt));
cnt++;
}
}
void wirtthings(uchar lines,uchar *add)//writ data to which line
else
RW=0;
delay(10);
SCK=1;
DATA=DATA<<1;
}
}
void writLCD(bit flag,uchar DATA) //writ COM or data in address
{
if(flag)
sent(0xfa);//1写数据
else
sent(0xf8);//0写指令
//writLCD(0,0x01);
wirtthings(4,"什么，only You！");
//writLCD(0,0x01);
wirtthings(1,"联系方式:");
//writLCD(0,0x01);
wirtthings(2,"QQ:452658536");
delay(100);
writLCD(0,0x01);
}
}
void delay(uchar i)
{
uchar j;
while(i--)

51单片机经典C程序(12864)

/*************************************** 控制器：KS0108* MCU:AT89C5* ,晶体频率:12MHz* 取模方式：纵向字节倒序* CS1和CS2为低电平有效**************************************/#include <reg52.h>#define uchar unsigned char#define uint unsigned int#define LCD_PORT P0#define Left 1#define Right 2sbit LCD_Busy=P0^7;sbit LCD_EN = P1^2;sbit LCD_RS = P1^0;sbit LCD_RW = P1^1;sbit LCD_RST= P1^7;sbit LCD_CS2= P3^6;sbit LCD_CS1= P3^5;uchar DisBuf[32],Page_Num,Clm_Num;code char Table0[]={/*-- 文字: A --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27 ,0x38,0x20,/*-- 文字: B --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11 ,0x0E,0x00,/*-- 文字: C --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10 ,0x08,0x00,/*-- 文字: D --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10 ,0x0F,0x00,/*-- 文字: E --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20 ,0x18,0x00,/*-- 文字: F --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00 ,0x00,0x00,/*-- 文字: G --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E ,0x02,0x00,};code unsigned char Table3[]={/*-- 文字: 天 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x40,0x42,0x42,0x42,0x42,0x42,0xFE,0x42,0x42,0x42,0x42,0x42,0x42 ,0x40,0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x06,0x01,0x02,0x04,0x08,0x10,0x30,0x60 ,0x20,0x00,/*-- 文字: 仙 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x80,0x60,0xF8,0x07,0x02,0xE0,0x00,0x00,0x00,0xFF,0x00,0x00,0x00 ,0xE0,0x00,0x01,0x00,0x00,0x7F,0x00,0x20,0x7F,0x20,0x20,0x20,0x3F,0x20,0x20,0x20 ,0x7F,0x00,/*-- 文字: 妹 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x08,0x88,0x7F,0x0A,0x08,0xF8,0x80,0x88,0x88,0x88,0xFF,0x88,0x88,0x88 ,0x80,0x00,0x40,0x21,0x12,0x0C,0x3A,0x11,0x40,0x30,0x0C,0x03,0xFF,0x06,0x08,0x30 ,0x10,0x00,/*-- 文字: 妹 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x08,0x88,0x7F,0x0A,0x08,0xF8,0x80,0x88,0x88,0x88,0xFF,0x88,0x88,0x88 ,0x80,0x00,0x40,0x21,0x12,0x0C,0x3A,0x11,0x40,0x30,0x0C,0x03,0xFF,0x06,0x08,0x30 ,0x10,0x00};code unsigned char Table4[]={/*-- 文字: 我 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x20,0x20,0x22,0x22,0xFE,0x21,0x21,0x20,0x20,0xFF,0x20,0x22,0xAC,0x20 ,0x20,0x00,0x04,0x04,0x42,0x82,0x7F,0x01,0x01,0x10,0x10,0x08,0x07,0x1A,0x21,0x40 ,0xF0,0x00,/*-- 文字: 好 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x10,0x10,0xF0,0x1F,0x10,0xF0,0x80,0x82,0x82,0x82,0xF2,0x8A,0x86,0x82 ,0x80,0x00,0x80,0x43,0x22,0x14,0x0C,0x73,0x20,0x00,0x40,0x80,0x7F,0x00,0x00,0x00 ,0x00,0x00,/*-- 文字: 想 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x08,0xC8,0x38,0xFF,0x18,0x68,0x08,0x00,0xFE,0x2A,0x2A,0x2A,0x2A,0xFE ,0x00,0x00,0x01,0x40,0x70,0x01,0x38,0x40,0x40,0x44,0x59,0x41,0x41,0x61,0x01,0x09 ,0x30,0x00,/*-- 文字: 你 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x80,0x40,0xF0,0x2C,0x43,0x20,0x98,0x0F,0x0A,0xE8,0x08,0x88,0x28,0x1C ,0x08,0x00,0x00,0x00,0x7F,0x00,0x10,0x0C,0x03,0x21,0x40,0x3F,0x00,0x00,0x03,0x1C ,0x08,0x00};code unsigned char Table5[]={/*-- 调入了一幅图像：C:\Documents and Settings\sammy\桌面\小新.bmp --*//*-- 宽度x高度=64x64 --*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xE0,0xF0 ,0xF8,0x7C,0x3C,0x1E,0x1E,0x8F,0xCF,0xCF,0xCF,0xDF,0x9F,0x9F,0x1F,0x1F,0x3F,0x3E ,0x3E,0x3E,0x7C,0x7C,0x7C,0xF8,0xF8,0xF0,0xE0,0xC0,0x80,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x20,0x10,0x08,0x08,0x1E,0x3F,0x7F,0x03 ,0x00,0x00,0x00,0x06,0x07,0x07,0x03,0x03,0x03,0x0F,0x3F,0x3F,0x7E,0x78,0x78,0x30 ,0x00,0x00,0x00,0x00,0x60,0xE0,0xF0,0x78,0x39,0x39,0x73,0xFE,0x60,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x03,0x04,0x08,0x11,0x08,0x04,0x83,0x80,0x0C,0x92,0xA2,0x44 ,0x22,0x12,0x00,0x00,0x00,0x00,0x00,0x0F,0x30,0x40,0x80,0x80,0x80,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x02,0x02,0x04,0x04,0x04,0x08,0x08,0x08,0x08,0x10,0x10,0x00 ,0x00,0x00,0x00,0x40,0x40,0x80,0x80,0x80,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00 ,0x00,0x60,0x90,0x10,0x20,0x10,0x90,0x60,0x00,0x03,0x04,0x08,0x11,0x08,0x04,0x03 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0C,0x10 ,0xE0,0xC0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x01,0x06,0xF8,0x00,0x00 ,0x00,0x00,0x00,0x01,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F ,0x7F,0xFF,0xF3,0xF3,0xFE,0xFC,0xFC,0xF8,0xF8,0xF0,0xF0,0xF0,0xE0,0xE0,0xE0,0xE0 ,0xE0,0xE0,0xE4,0xE0,0xE0,0xE0,0x10,0x10,0x10,0x08,0x08,0x04,0x02,0x01,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xD8,0xD8,0xFC ,0xFC,0xFC,0xFD,0xFD,0xFF,0xF7,0xF7,0xF7,0xF7,0xFF,0xFF,0xFF,0xFF,0xF3,0xF7,0xF7 ,0xFF,0xFF,0xFF,0xFD,0xFD,0xFC,0xDC,0xD8,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0 ,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0 ,0xC0,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF};code uchar Table8[]={/*-- 文字: 相 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x10,0x10,0xD0,0xFF,0x30,0x50,0x90,0x00,0xFE,0x22,0x22,0x22,0x22,0xFE ,0x00,0x00,0x04,0x03,0x00,0xFF,0x00,0x00,0x01,0x00,0xFF,0x42,0x42,0x42,0x42,0xFF ,0x00,0x00,/*-- 文字: 约 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x40,0x60,0x58,0xC7,0x60,0x18,0x40,0x20,0x58,0x8F,0x08,0x08,0x08,0xF8 ,0x00,0x00,0x10,0x32,0x13,0x12,0x0A,0x0A,0x08,0x00,0x00,0x00,0x43,0x80,0x40,0x3F ,0x00,0x00,/*-- 文字: 丛 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0xFE,0x80,0x00,0x00,0x00 ,0x00,0x00,0x20,0x30,0x2C,0x23,0x20,0x21,0x36,0x2C,0x23,0x20,0x20,0x23,0x26,0x3C ,0x28,0x00,/*-- 文字: 林 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x10,0x10,0x90,0xFF,0x90,0x10,0x00,0x10,0x10,0xD0,0xFF,0x90,0x10,0x10 ,0x10,0x00,0x08,0x06,0x01,0xFF,0x00,0x13,0x08,0x04,0x03,0x00,0xFF,0x01,0x06,0x18 ,0x08,0x00};code uchar Table9[]={/*-- 文字: 浪 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x08,0x30,0x01,0xC6,0x30,0x00,0xFC,0x94,0x95,0x96,0x94,0x94,0xFC,0x00 ,0x00,0x00,0x04,0x04,0xFE,0x01,0x00,0x00,0xFF,0x40,0x21,0x06,0x08,0x34,0x62,0xC2 ,0x40,0x00,/*-- 文字: 漫 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x10,0x20,0x81,0x66,0x00,0xC0,0x5F,0xD5,0x55,0x55,0xD5,0x55,0x5F,0xC0 ,0x00,0x00,0x04,0xFC,0x03,0x00,0x00,0x81,0x85,0x4D,0x55,0x25,0x35,0x4D,0xC5,0x41 ,0x00,0x00,/*-- 文字: 野 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x7E,0x4A,0xFE,0x4A,0x4A,0x7E,0x00,0x42,0x52,0xD2,0x6A,0x46,0xC2 ,0x40,0x00,0x22,0x22,0x22,0x1F,0x12,0x12,0x12,0x00,0x40,0x80,0x7F,0x00,0x00,0x00 ,0x00,0x00,/*-- 文字: 岭 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0xF0,0x00,0xFF,0x00,0xF0,0x40,0x20,0x10,0x2C,0x43,0x04,0x08,0x70 ,0x20,0x00,0x08,0x1F,0x08,0x07,0x04,0x07,0x01,0x05,0x09,0x11,0x29,0x65,0x03,0x01 ,0x00,0x00};void Delay_us(unsigned int DelayTime){while(DelayTime) DelayTime--;}void Delay_x10ms(unsigned char DelayTime) //***************10ms延时**********//{unsigned char i,j,k;for(i=0;i<DelayTime;i++)for(j=0;j<10;j++)for(k=0;k<120;k++) {;}}/*----------------------------------------------------------------------------下面这个函数用于液晶模块的忙信号检测。

51单片机YM12864汉字图形点阵液晶显示模块

51单片机YM12864汉字图形点阵液晶显示模块本文以AT89C51单片机控制使用比较普遍的YM12864液晶显示器为基础，介绍了一种采用分页原理实现多级中文菜单操作的方法。

给出了YM12864主要技术参数、显示特性和核心的程序。

设计的中文菜单具有一定的通用性，只需更改其中的菜单项即可将此设计应用到家电、仪器仪表等设备上，为操作者提供友好方便的中文操作界面。

51单片机YM12864汉字图形点阵液晶显示模块-_典型应用电路图。

目前小型的显示器主要有LCD和LED,LED显示器只能显示数字和有限个英文字符，不能显示汉字，显示内容不直观，操作人员只能根据约定格式了解显示内容。

而LCD则可显示各种汉字和图形，尤其能实现中文菜单显示，为操作者提供方便友好的操作界面，并且功耗低，因此LCD得到广泛应用。

而现在市面上带中文字库的LCD比比皆是，价格适中，且大部分具有与MUC统一的标准接口，为使用LCD实现中文菜单操作提供了很大的方便。

相信更多的电子产品在提升性能的同时，设计更加人性化的中文菜单交互界面，将会使产品具有更广阔的前景。

二、YM12864液晶显示模块简介YM12864汉字图形点阵液晶显示模块，可显示汉字及图形，内置8192个中文汉字（16X16点阵）、128个字符（8X16点阵）及64X256点阵显示RAM（GDRAM）。

主要技术参数和显示特性：电源：VDD 3.3V~+5V（内置升压电路，无需负压）显示内容：128列×64行与MCU接口：8位或4位并行/3位串行多种软件功能：光标显示、画面移位、自定义字符、睡眠模式等。

其引脚功能为通用20脚LCD接口，用户指令集也为通用128*64LCD用户指令集，相关资料很容易获取。

因其内置中文字库，省去了自己造字库的工作量，而只需写入相应的汉字和字符内码即可显示所需要的汉字和字符，这在许多程序开发软件中很容易实现，如：WAVE、KEIL等。

中文图形12864点阵液晶显示模块与51单片机的并行接口电路及C51程序设计

中文图形12864点阵液晶显示模块与51单片机的并行接口
电路及C51程序设计
李志广;李晓泉;淮俊霞
【期刊名称】《现代显示》
【年(卷),期】2008(000)007
【摘要】讨论如何利用软件控制LM3033B-0BR3液晶显示模块时序,采用C51语言编程,驱动液晶模块实现并行传输方式的字符、汉字以及图形显示.具体阐述了LM3033B-0BR3液晶显示模块与单片机AT89S52的并行接口电路和软件编程方法.
【总页数】4页(P41-44)
【作者】李志广;李晓泉;淮俊霞
【作者单位】河北工业大学应用物理系,天津,300130;深圳市拓普微科技开发有限公司,深圳,518057;天津市轻工业设计院,天津,300193;河北工业大学应用物理系,天津,300130;深圳市拓普微科技开发有限公司,深圳,518057
【正文语种】中文
【中图分类】TN40
【相关文献】
1.基于C51的液晶显示模块接口电路与程序设计 [J], 周翔宁
2.C51语言与图形点阵液晶显示模块FM12864I的接口控制技术 [J], 高健
3.EDM12864B图形点阵式液晶显示模块的原理与应用 [J], 张兢
4.LCM12864ZK图形液晶显示模块并行实用技术 [J], 胡建波
5.图形点阵液晶显示模块FM12864J与单片机的接口技术 [J], 向守兵;何巍;罗光伟
因版权原因，仅展示原文概要，查看原文内容请购买。

51单片机综合学习系统之12864点阵型液晶显示篇

51单片机综合学习系统之 12864点阵型液晶显示篇大家好，通过以前的学习，我们已经对51单片机综合学习系统的使用方法及学习方式有所了解与熟悉，学会了1602字符型液晶显示的基本知识，体会到了综合学习系统的易用性与易学性，这一期我们将一起学习12864点阵型液晶显示屏的基本原理与使用方法。

点阵LCD的显示原理在数字电路中，所有的数据都是以0和1保存的，对LCD控制器进行不同的数据操作，可以得到不同的结果。

对于显示英文操作，因为英文字母种类很少，只需要8位<一字节）即可。

而对于中文，常用却有6000以上，于是我们的DOS前辈想了一个办法，就是将ASCII表的高128个很少用到的数值以两个为一组来表示汉字，即汉字的内码。

而剩下的低128位则留给英文字符使用，即英文的内码。

那么，得到了汉字的内码后，还仅是一组数字，那又如何在屏幕上去显示呢？这就涉及到文字的字模，字模虽然也是一组数字，但它的意义却与数字的意义有了根本的变化，它是用数字的各位信息来记载英文或汉字的形状，如英文的'A'在字模的记载方式如图1所示：图1 “A”字模图而中文的“你”在字模中的记载却如图2所示：图2 “你”字模图12864点阵型LCD简介12864是一种图形点阵液晶显示器,它主要由行驱动器/列驱动器及128×64全点阵液晶显示器组成。

可完成图形显示，也可以显示8×4个(16×16点阵>汉字。

管脚号管脚名称LEVER 管脚功能描述1 VSS 0 电源地2 VDD +5.0V 电源电压3 V0 - 液晶显示器驱动电压4 D/I(RS> H/L D/I=“H”，表示DB7∽DB0为显示数据D/I=“L”，表示DB7∽DB0为显示指令数据5 R/W H/L R/W=“H”，E=“H”数据被读到DB7∽DB0R/W=“L”，E=“H→L”数据被写到IR或DR6 E H/L R/W=“L”，E信号下降沿锁存DB7∽DB0R/W=“H”，E=“H”DDRAM数据读到DB7∽DB07 DB0 H/L 数据线8 DB1 H/L 数据线9 DB2 H/L 数据线10 DB3 H/L 数据线11 DB4 H/L 数据线12 DB5 H/L 数据线13 DB6 H/L 数据线14 DB7 H/L 数据线15 CS1 H/L H:选择芯片(右半屏>信号16 CS2 H/L H:选择芯片(左半屏>信号17 RET H/L 复位信号,低电平复位18 VOUT -10V LCD驱动负电压19 LED+ - LED背光板电源20 LED- - LED背光板电源表1：12864LCD的引脚说明在使用12864LCD前先必须了解以下功能器件才能进行编程。

SMG12864L标准图形点阵型液晶显示模块的演示程序

void putimage(unsigned char code *s); //显示图形子程序
void putsizeimage(unsigned char XSIZE,unsigned char YSIZE,unsigned char code *s);
//显示指定大小的图形子程序
0x00,0x20,0x08,0x20,0xf8,0x1f,0x00,0x00
};
unsigned char code ChineseCharDot[]={
0x00,0x00,0x00,0x00,0xf8,0x0f,0x48,0x04, //字符001:[电]
0x48,0x04,0x48,0x04,0x48,0x04,0xff,0x3f,
//液晶显示模块的基本子程序,12864系列绘图子程序集,12864系列图形子程序集,12864系列
//精简中英文字库子程序集,以及SMG12864L系列标准图形点阵型液晶显示的演示子程序.
// 本演示的内容为,在128列X64行的点阵液晶显示屏上清屏,图片演示,英文字符串演示,
//中文字符串演示,反白显示字符串,绘制矩形,写点,绘制直线,液晶电压调整,全屏显示.
unsigned int code EnglishCode[]={
0x41, //字符001:[A]
0x4d, //字符002:[M]
0x4e, //字符003:[N]
0x53, //字符004:[S]
0x55 //字符005:[U]
};
unsigned int code ChineseCode[]={
//文件来替换该部分
#define ENGLISHCHARNUMBER 5 //精简版英文字符库中的英文字符的个数

12864图形液晶显示模块与51系列单片机接口技术

单片机与可编程器件液晶显示模块以其微功耗、体积小、显示内容丰富、模块化、接口电路简单等诸多优点得到广泛应用。

液晶显示模块分字符型和点阵型两种，前者只能显示常用的字符，点阵型液晶显示模块除显示字符外还能显示各种图形和汉字。

目前，尽管液晶显示模块种类繁多，但其结构及控制方法是一样的，本文以常用的１２８×６４液晶显示模块为例介绍液晶显示模块的工作原理及其与５１系列单片机的接口技术。

１２８６４图形液晶显示模块１２８６４液晶显示模块表示横向有１２８点，纵向有６４点，可显示１６×１６中文字４行，每行８个字，外形和引脚排列如图１所示。

１．　引脚功能引脚功能如表１所示。

２．　显示ＤＤＲＡＭ与Ｘ地址、Ｙ地址排列方式ＤＤＲＡＭ是模块自带的存储单元，用来存放图形信息或数据，ＤＤＲＡＭ存储单元与液晶显示屏之间存在一一对应关系，数据为１表示显示选择，对应屏幕亮；数据为０表示显示非选择，对应屏幕不亮。

ＤＤＲＡＭ与Ｘ、Ｙ地址和显示位置的关系如表２所示。

３．１２８６４液晶显示模块指令１２８６４液晶显示模块基本操作指令如表３所示。

（１）读取状态字当Ｒ／Ｗ＝１，Ｄ／Ｉ＝０时，在Ｅ信号为高的作用下，状态字分别输出到数据总线上。

状态字是了解模块当前工作状态的唯一的信息渠道，在每次对模块操作之前，都要读出状态字判断ＢＵＳＹ是否为“０”。

若不为“０”，则计算机需要等待，直至ＢＵＳＹ　＝０为止。

（２）显示开关设置Ｄ＝１开显示，Ｄ＝０关显示。

（３）显示起始行设置指令表中ＤＢ５～ＤＢ０为显示起始行的地址，取值在０～３ＦＨ（１～６４行）范围内，它规定了显示屏上最顶一行所对应的显示存储器的行地址。

（４　）　页面地址设置页面地址是ＤＤＲＡＭ的行地址。

８行为一页，ＤＤＲＡＭ共６４行即８页，ＤＢ２￣ＤＢ０表示０￣７页。

（５）列地址设置列地址是ＤＤＲＡＭ的列地址。

共６４列，１２８６４图形液晶显示模块与５１系列单片机接口技术・湖南邵阳学院电气信息工程学院江世明・摘要文章以１２８×６４液晶显示模块为例，系统地介绍了１２８６４图形液晶显示模块的结构特征、指令系统、工作时序及与５１系列单片机接口技术、编程方法。

51单片机实现的多图显示用12864液晶驱动程序设计

51单片机实现的多图显示用12864液晶驱动程序设计作者：佚名日期：2010年06月02日来源：不详【字体：大中小】我要评论(0)核心提示：/************************************************程序名称：12864液晶驱动程序（显示多图）简要说明：控制器：KS0107 LCD型号：FM12864、TS12864A-2或兼容型号（不带字库）&nbs/************************************************程序名称：12864液晶驱动程序（显示多图）简要说明：控制器：KS0107LCD型号：FM12864、TS12864A-2或兼容型号（不带字库）MCU：AT89S5*，晶体频率：11.0592MHz取模方式：纵向取模、字节倒序CS1和CS2为高电平有效************************************************/;***************硬件端口定义***********RS EQU P2.0RW EQU P2.1E EQU P2.2CS1 EQU P2.3CS2 EQU P2.4RST EQU P2.5COM EQU 20H ;指令数据寄存器DAT EQU 21H ;显示数据寄存器;**********************************主程序入口地址ORG 0000HAJMP STRORG 0003H;*********************************中断程序入口地址STR:AJMP L0100L0100: CLR RSTNOPNOPSETB RST;********************************以上是软件复位MOV SP,#60HMOV IE,#81H ;中断允许MOV IP,#01H ;优先中断MOV TCON,#00H ;电平中断MOV COM,#3FH ;显示开LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;----------------------------------------------------------------------MOV COM,#0C0H ;第一行LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;----------------------------------------------------------------------MOV COM,#0B8H ;第一页LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;----------------------------------------------------------------------MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;********************************************************以上是软件初始化MOV B,#0AAHLCALL XIHX ;显示横线1LCALL DELAY; MOV B,#55H; LCALL XIHX; LCALL DELAY ;显示横线2MOV B,#0FFHMOV 29H,#00HLCALL XISXLCALL DELAY ;显示竖线1; MOV B,#00H; MOV 29H,#0FFH; LCALL XISX; LCALL DELAY ;显示竖线2MOV DPTR,#TAB1LCALL LEFTMOV DPTR,#TAB2LCALL RIGHTLCALL DELAY ;显示第一幅图片MOV DPTR,#TAB3LCALL LEFTMOV DPTR,#TAB4LCALL RIGHTLCALL DELAY ;显示第二幅图片MOV DPTR,#TAB5LCALL LEFTMOV DPTR,#TAB6LCALL RIGHTLCALL DELAY ;显示第三幅图片AJMP L0100;=======================================================以上是主程序LEFT: MOV R1,#0B8H_AB: MOV COM,R1 ;第一页LCALL S02A9 ;左半屏写指令子程序MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序MOV R0, #64S027B: MOV A,#00HMOVC A,@A+DPTRMOV DAT,ALCALL S02B1 ;左半屏写数据子程序INC DPTRDJNZ R0,S027BINC R1CJNE R1, #0C0H,_ABRET;======================================================以上是左半屏写数据子程序RIGHT: MOV R1,#0B8HABC: MOV COM,R1 ;第一页LCALL S02C1 ;右半屏写指令子程序MOV COM,#40H ;第一列LCALL S02C1 ;右半屏写指令子程序MOV R0, #64S027D: MOV A,#00HMOVC A,@A+DPTRMOV DAT,ALCALL S02B9 ;右半屏写数据子程序INC DPTRDJNZ R0,S027DINC R1CJNE R1, #0C0H,ABCRET;*******************************************************以上是右半屏写数据子程序XIHX: MOV R1,#0B8HBA: MOV COM,R1 ;第一页LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV R0, #64W027B: MOV DAT,BLCALL S02B1 ;左半屏写数据子程序LCALL S02B9 ;右半屏写数据子程序DJNZ R0,W027BINC R1CJNE R1, #0C0H,BARET;---------------------------------------------------------XISX: MOV R1,#0B8HCA: MOV COM,R1 ;第一页LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV R0, #32X027B: MOV DAT,BLCALL S02B1 ;左半屏写数据子程序LCALL S02B9 ;右半屏写数据子程序MOV DAT,29HLCALL S02B1 ;左半屏写数据子程序LCALL S02B9 ;右半屏写数据子程序DJNZ R0,X027BINC R1CJNE R1, #0C0H,CARET;****************************************************以上是显示线条程序S02A9: SETB CS1LCALL S02C9CLR CS1 ;左半屏写指令子程序RETS02B1: SETB CS1 ;左半屏写数据子程序LCALL S02E0CLR CS1RETS02C1: SETB CS2 ;右半屏写指令子程序LCALL S02C9CLR CS2RETS02B9: SETB CS2 ;右半屏写数据子程序LCALL S02E0CLR CS2RET;****************************************************S02C9: CLR RSSETB RWS02C9A: MOV P0,#0FFHSETB EMOV A, P0CLR EJB ACC.7,S02C9ACLR RWMOV P0,COMSETB ENOPCLR ERET;*************************************************以上是写指令子程序S02E0: CLR RSSETB RWS02E0A: MOV P0,#0FFHSETB EMOV A, P0CLR EJB ACC.7,S02E0ASETB RSCLR RWMOV P0,DATSETB ENOPCLR ERET;************************************************以上是写数据子程序DELAY: MOV R5,#0BH ;延时D1: MOV R7,#0FFHD2: MOV R6,#0FFHD3: DJNZ R6,$DJNZ R7,D2DJNZ R5,D1RET;****************************************************************TAB1:;-- 调入了一幅图像：C\128x64-1.bmp --;-- 宽度x高度=64x64 --DB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 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HDB000H,0E0H,0E0H,0F0H,0F0H,0F0H,0F8H,0F9H,0FDH,0FDH,0FDH,0DFH,09FH,08EH,08FH,0 8FHDB08FH,00FH,00FH,00FH,00FH,00FH,007H,003H,001H,060H,060H,06CH,06CH,06EH,06FH,06 7HDB067H,0E7H,0F7H,0F7H,0F3H,0F3H,0F3H,0F3H,0F9H,0F9H,0F8H,0F8H,0FCH,0FCH,0FEH,0 FEHDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 HDB000H,001H,00FH,07FH,0FFH,0FFH,0FFH,0FFH,0FFH,07FH,01FH,00FH,007H,003H,003H,00 1HDB081H,0E0H,0F0H,0F8H,0FCH,0FEH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FEH,0FEH,0FEH, 0FEHDB0FEH,0FCH,0FCH,0FCH,0F8H,0F0H,061H,001H,001H,003H,003H,007H,0DFH,0FFH,0FFH,0 FFHDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 HDB000H,000H,000H,000H,001H,00FH,07FH,0FFH,0FFH,0E0H,0C0H,0C0H,080H,000H,000H,00 0HDB003H,007H,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00FH,00 7HDB087H,087H,0C3H,0C3H,0C1H,0E0H,0F0H,0F0H,0F8H,0FCH,0FCH,0FFH,0FFH,0FFH,0FFH, 0FFHDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 HDB000H,000H,000H,000H,000H,000H,000H,001H,00FH,07FH,0FFH,0FFH,0FFH,0FFH,0FFH,0F FHDB0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FEH,0FFH,0FFH,0FFH ,0FFHDB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,07FH,07FH,03FH,03FH,03FH,01FH,01FH,01FH,0 0FHDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 HDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,003H,00FH,07FH,0FFH,0FFH,0FF HDB0FFH,07FH,07FH,03FH,03FH,03FH,01FH,01FH,01FH,00FH,00FH,00FH,007H,007H,003H,00 3HDB003H,001H,001H,001H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 HTAB2:;-- 调入了一幅图像：C:\128x64-2.bmp --;-- 宽度x高度=64x64 --DB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,080H,080H,080H,0C0 HDB0C0H,0C0H,0E0H,0E0H,0E0H,0F0H,0F0H,0F8H,0F8H,0F8H,0FCH,0FCH,0FCH,0FEH,0FEH, 0FFHDB0FFH,0FFH,0FFH,0FEH,0F8H,0C0H,000H,000H,000H,000H,000H,000H,000H,000H,000H,00 0HDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 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0HDB000H,000H,000H,000H,007H,00FH,01FH,01FH,01CH,0FFH,07FH,060H,038H,027H,079H,0C 1HDB0F3H,0F3H,0FFH,0FFH,078H,03FH,002H,000H,000H,000H,000H,000H,000H,000H,002H,071 HDB039H,019H,0F9H,0F9H,0F9H,0FBH,0FBH,073H,073H,0E6H,0CEH,09CH,038H,030H,000H,0 00HDB000H,01FH,0E0H,0FFH,0FFH,0FFH,0FCH,0F8H,0E0H,087H,0F8H,000H,000H,007H,0FEH,0 F1HDB000H,000H,000H,000H,000H,000H,000H,000H,000H,07FH,0C0H,000H,000H,000H,000H,000 HDB080H,000H,000H,010H,010H,000H,020H,020H,020H,000H,000H,000H,000H,000H,01CH,03E HDB070H,07CH,07CH,078H,0FFH,0FFH,07FH,07EH,03EH,01FH,003H,003H,002H,000H,000H,00 0HDB000H,000H,000H,0FBH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,000H,000H,000H,0FFH,0 F3HDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,003H,018H,0E0H,000H,000H,000 HDB003H,006H,00EH,00EH,00EH,018H,018H,018H,008H,000H,000H,000H,000H,000H,000H,000 HDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,080 HDB0C0H,0C6H,0EFH,0A7H,073H,07BH,009H,084H,0CCH,0E3H,0FFH,0F8H,0FCH,0FEH,0FFH, 0FFHDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,002H,006 HDB000H,00CH,008H,008H,000H,010H,010H,010H,010H,010H,018H,018H,008H,084H,084H,004 HDB006H,0F2H,0B2H,016H,034H,0E4H,004H,004H,004H,00CH,0CCH,08CH,01CH,018H,03FH,0 3FHDB07CH,0DEH,0DFH,0DFH,0EEH,0F7H,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH, 0FFHDB000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000 HDB000H,000H,000H,000H,000H,000H,000H,004H,004H,00EH,036H,064H,07CH,018H,001H,003 HDB00EH,000H,001H,001H,003H,001H,000H,000H,000H,000H,003H,003H,003H,001H,000H,000 HDB000H,000H,001H,007H,00FH,03FH,07FH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0 FFHTAB6:;-- 调入图像：纵向取模下高位,数据排列:从左到右从上到下;-- 宽度x高度=64x64;-- 调入了一幅图像：我们年轻.bmp --;-- 宽度x高度=64x64 --DB000h,000h,000h,000h,000h,000h,000h,000h,080h,080h,000h,0C0h,000h,080h,000h,000h DB000h,000h,000h,000h,000h,0C0h,000h,040h,080h,000h,080h,080h,080h,000h,000h,000h DB000h,000h,0C0h,000h,000h,000h,000h,000h,000h,000h,080h,000h,000h,000h,000h,000h DB0C0h,000h,000h,000h,080h,080h,080h,080h,080h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,044h,044h,045h,025h,0FFh,014h,014h,084h,07Fh,0C4h,024h,015h,084h DB000h,000h,008h,004h,0FFh,000h,0FFh,000h,000h,000h,000h,000h,0FFh,000h,000h,000h DB044h,042h,079h,049h,049h,049h,0FFh,049h,049h,049h,049h,041h,000h,000h,089h,08Fh DB049h,0FDh,029h,001h,028h,024h,0E2h,023h,024h,008h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,080h,080h,088h,0B2h,003h,020h,0A1h,028h,030h,020h,0E1h,022h,023h DB000h,000h,080h,040h,03Bh,020h,023h,020h,0E0h,020h,020h,022h,033h,020h,000h,000h DB020h,0E0h,038h,0A0h,020h,020h,013h,090h,050h,070h,090h,000h,000h,000h,020h,0A0h DB0A8h,0B3h,0A0h,0A2h,082h,0FAh,083h,092h,0A2h,082h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,040h,020h,01Fh,020h,050h,048h,045h,042h,045h,048h,050h,040h DB000h,000h,008h,008h,00Fh,009h,009h,009h,07Fh,009h,009h,009h,009h,008h,000h,000h DB011h,011h,009h,07Fh,005h,040h,045h,044h,07Ch,044h,044h,041h,000h,000h,020h,01Bh DB042h,07Eh,00Ah,053h,020h,01Fh,000h,07Fh,040h,070h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,040h,040h,040h,05Fh,055h,055h,0D5h,055h,05Fh,040h,040h,040h DB000h,000h,010h,011h,0F6h,000h,000h,0FCh,056h,055h,054h,05Eh,0C4h,000h,000h,000h DB010h,0D4h,014h,0FFh,094h,094h,022h,022h,0FEh,022h,022h,020h,000h,000h,008h,008hDB008h,008h,0C8h,03Fh,048h,088h,008h,008h,00Ch,008h,000h,000h,000h,000h,000h,000hDB000h,000h,000h,000h,000h,0C8h,044h,043h,0C4h,008h,0CFh,049h,049h,049h,0E9h,048h DB000h,000h,008h,084h,0C3h,0A4h,088h,00Bh,00Ah,0EAh,08Ah,08Ah,08Bh,008h,000h,000h DB08Ch,003h,004h,0E7h,008h,008h,008h,0E8h,00Bh,008h,008h,008h,000h,000h,048h,044hDB042h,041h,040h,041h,046h,040h,041h,042h,06Ch,044h,000h,000h,000h,000h,000h,000hDB000h,000h,000h,000h,000h,0FFh,022h,025h,018h,000h,0FFh,044h,044h,044h,0FFh,000hDB000h,000h,000h,0FFh,088h,088h,0FFh,002h,005h,018h,080h,000h,0FFh,000h,000h,000hDB020h,013h,008h,0FFh,002h,002h,002h,0FFh,002h,002h,002h,002h,000h,000h,000h,0FFhDB009h,011h,0FFh,000h,000h,0FFh,009h,011h,0FFh,000h,000h,000h,000h,000h,000h,000hDB 000h,000h,000h,000h,000h,001h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB 000h,000h,000h,001h,000h,000h,001h,000h,000h,000h,000h,001h,000h,000h,000h,000h DB 000h,000h,000h,001h,000h,001h,001h,001h,001h,001h,001h,000h,000h,000h,000h,001h DB 000h,001h,001h,000h,000h,001h,000h,001h,001h,000h,000h,000h,000h,000h,000h,000h END上传两个显示画面液晶屏是朋友托卖的，无背光无字库，带负压产生电路，有些成色比较新，先到先得了，45RMB一块，送资料，驱动程序，QQ以下是程序//**************************************;* 控制器：KS0107 *;* LCD型号：TS12864A-2或兼容型号 *;* MCU:AT89S5* ,晶体频率：11.0592MHz *;* 取模方式：纵向字节倒序 *;* CS1和CS2为高电平有效 * *;***************硬件端口定义***********RS EQU P2.4RW EQU P2.3E EQU P2.2CS1 EQU P2.7CS2 EQU P2.6RST EQU P2.5BUF EQU P0;******************************************COM EQU 20H ;指令数据寄存器DAT EQU 21H ;显示数据寄存器;**********************************主程序入口地址ORG 0000HAJMP STRORG 0003H;*********************************中断程序入口地址STR:AJMP L0100L0100: CLR RSTNOPNOPSETB RST;********************************以上是软件复位MOV SP,#60HMOV IE,#81H ;中断允许MOV IP,#01H ;优先中断MOV TCON,#00H ;电平中断MOV COM,#3FH ;显示开LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;---------------------------------------------------------------------- MOV COM,#0C0H ;第一行LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;---------------------------------------------------------------------- MOV COM,#0B8H ;第一页LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;---------------------------------------------------------------------- MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序;********************************************************以上是软件初始化MOV B,#0AAHLCALL XIHX ;显示横线1LCALL DELAYMOV B,#55HLCALL XIHXLCALL DELAY ;显示横线2MOV B,#0FFHMOV 29H,#00HLCALL XISXLCALL DELAY ;显示竖线1MOV B,#00HMOV 29H,#0FFHLCALL XISXLCALL DELAY ;显示竖线2MOV DPTR,#TAB1LCALL LEFTMOV DPTR,#TAB2LCALL RIGHTLCALL DELAY ;显示第一幅图片MOV DPTR,#TAB3LCALL LEFTMOV DPTR,#TAB4LCALL RIGHTLCALL DELAY ;显示第二幅图片MOV DPTR,#TAB5LCALL LEFTMOV DPTR,#TAB6LCALL RIGHTLCALL DELAY ;显示第三幅图片AJMP L0100;=======================================================以上是主程序LEFT: MOV R1,#0B8H_AB: MOV COM,R1 ;第一页LCALL S02A9 ;左半屏写指令子程序MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序MOV R0, #64S027B: MOV A,#00HMOVC A,@A+DPTRMOV DAT,ALCALL S02B1 ;左半屏写数据子程序INC DPTRDJNZ R0,S027BINC R1CJNE R1, #0C0H,_ABRET;======================================================以上是左半屏写数据子程序RIGHT: MOV R1,#0B8HABC: MOV COM,R1 ;第一页LCALL S02C1 ;右半屏写指令子程序MOV COM,#40H ;第一列LCALL S02C1 ;右半屏写指令子程序MOV R0, #64S027D: MOV A,#00HMOVC A,@A+DPTRMOV DAT,ALCALL S02B9 ;右半屏写数据子程序INC DPTRDJNZ R0,S027DINC R1CJNE R1, #0C0H,ABCRET;*******************************************************以上是右半屏写数据子程序XIHX: MOV R1,#0B8HBA: MOV COM,R1 ;第一页LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV R0, #64W027B: MOV DAT,BLCALL S02B1 ;左半屏写数据子程序LCALL S02B9 ;右半屏写数据子程序DJNZ R0,W027BINC R1CJNE R1, #0C0H,BARET;--------------------------------------------------------- XISX: MOV R1,#0B8HCA: MOV COM,R1 ;第一页LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV COM,#40H ;第一列LCALL S02A9 ;左半屏写指令子程序LCALL S02C1 ;右半屏写指令子程序MOV R0, #32X027B: MOV DAT,BLCALL S02B1 ;左半屏写数据子程序LCALL S02B9 ;右半屏写数据子程序MOV DAT,29HLCALL S02B1 ;左半屏写数据子程序LCALL S02B9 ;右半屏写数据子程序DJNZ R0,X027BINC R1CJNE R1, #0C0H,CARET;****************************************************以上是显示线条程序S02A9: SETB CS1LCALL S02C9CLR CS1 ;左半屏写指令子程序RETS02B1: SETB CS1 ;左半屏写数据子程序LCALL S02E0CLR CS1RETS02C1: SETB CS2 ;右半屏写指令子程序LCALL S02C9CLR CS2RETS02B9: SETB CS2 ;右半屏写数据子程序LCALL S02E0CLR CS2RET;****************************************************S02C9: CLR RSSETB RWS02C9A: MOV BUF,#0FFHSETB EMOV A, BUFCLR EJB ACC.7,S02C9ACLR RWMOV BUF,COMSETB ENOPCLR ERET;*************************************************以上是写指令子程序S02E0: CLR RSSETB RWS02E0A: MOV BUF,#0FFHSETB EMOV A, BUFCLR EJB ACC.7,S02E0ASETB RSCLR RWMOV BUF,DATSETB ENOPCLR ERET;************************************************以上是写数据子程序DELAY: MOV R5,#0BH ;延时D1: MOV R7,#0FFHD2: MOV R6,#0FFHD3: DJNZ R6,$DJNZ R7,D2DJNZ R5,D1RET;****************************************************************TAB1:;-- 调入菲戈幅图像左半屏：纵向取模下高位,数据排列:从左到右从上到下;-- 宽度x高度=64x64DB000h,000h,000h,040h,080h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,010h DB060h,080h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,0FCh,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,0C0h,030h,008h,000h,000h,000h,000h DB000h,000h,000h,000h,000h,080h,040h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,000h,001h,002h,004h,008h,010h,020h,040h,080h,000h,000h,000h DB000h,001h,006h,018h,060h,080h,000h,000h,000h,000h,000h,000h,000h,0FFh,000h,000h DB000h,000h,000h,000h,000h,0C0h,030h,00Ch,003h,000h,000h,000h,000h,080h,040h,020h DB010h,008h,004h,002h,001h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB002h,002h,004h,004h,008h,008h,010h,010h,020h,020h,040h,040h,080h,081h,002h,004h DB008h,010h,020h,040h,080h,001h,006h,018h,020h,000h,000h,000h,080h,09Fh,080h,000h DB000h,040h,030h,00Ch,003h,080h,040h,020h,010h,008h,004h,002h,001h,000h,000h,080h DB080h,040h,040h,020h,020h,010h,010h,010h,008h,008h,004h,004h,002h,002h,000h,000h000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,001h,001h DB002h,002h,004h,004h,008h,009h,000h,030h,0CCh,002h,001h,001h,000h,000h,000h,001h DB001h,002h,0CCh,030h,001h,000h,008h,008h,004h,004h,002h,002h,001h,001h,001h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,004h,018h DB060h,080h,000h,000h,000h,000h,000h,000h,000h,001h,002h,002h,084h,0FCh,044h,042h DB022h,021h,020h,020h,010h,010h,010h,060h,080h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,003h,004h,004h,002h,002h,002h,001h,001h,001h,001h,000h,0FFh,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,001h,006h,008h,010h,000h,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h DB000h,000h,080h,080h,040h,040h,020h,020h,010h,010h,008h,008h,004h,00Fh,010h,020h。

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