微型计算机及控制技术实训 班级: 姓名: 学号: 实验一:LED 流水灯设计一、设计目的1.通过此次涉及、熟悉并掌握实验系统原理和方法2.掌握流水灯原理和使用方法二、设计过程(1)设计内容1.了解 LED 发光二极管的顺序灭2.了解 LED 的使用原理和引脚接法3.掌握有用 Keil 环境编程4.掌握下载 Keil 编译好的称序列 AT89C51 单片机中(2)实验步骤1.掌握 AT89C51 单片机与外设 LED 的引脚接法和使用原理2.使用 Keil 编译环境,编写 LED 发光二极管顺序灭的程序3.在 Keil 编译好的程序下载到 AT89c51 单片机中,实现 LED 发光二极管顺序灭(3)电路及程序设计1.电路设计2.编程如下org 0sjmp startorg 30hstart:mov P1,#1;P1.0 为 1,不亮mov P1,#2;P1.1 为 1,不亮mov P1,#4;以下原理同上mov P1,#8mov P1,#10hmov P1,#20hmov P1,#40hmov P1,#80hsjmp startdelay:nopnopnopnopretend(4)设计结果如上图:D7 亮了。如上图:D3 亮了。实验二 8*8 点阵的设计一、实验目的:1.了解点阵式 LED 显示原理。2.掌握单片机与 8×8 点阵块之间接口电路设计及编程。3.掌握 8155 工作原理及与单片机的接口电路设计。二、实验要求:利用 8×8 点阵显示屏,自己设计并调试电路板,实现在单片机的控制下,点阵显示屏显示数字。三、实验步骤: 1、实验电路图 2、编码程序: #include#include #define uchar unsigned char#define uint unsigned intuchar i=0,n,k;uchar code Table[][8]={{~0x00,~0x00,~0x3C,~0x42,~0x42,~0x3C,~0x00,~0x00},{~0x00,~0x00,~0x00,~0x22,~0x7E,~0x02,~0x00,~0x00},{~0x00,~0x00,~0x22,~0x46,~0x4A,~0x32,~0x00,~0x00},{~0x00,~0x00,~0x22,~0x49,~0x49,~0x36,~0x00,~0x00},{~0x00,~0x00,~0x18,~0x28,~0x7E,~0x08,~0x00,~0x00},{~0x00,~0x00,~0x7A,~0x29,~0x29,~0x2E,~0x00,~0x00},{~0x00,~0x00,~0x3E,~0x49,~0x49,~0x26,~0x00,~0x00},{~0x00,~0x00,~0x40,~0x4F,~0x50,~0x60,~0x00,~0x00},{~0x00,~0x00,~0x36,~0x49,~0x49,~0x36,~0x00,~0x00},{~0x00,~0x00,~0x32,~0x49,~0x49,~0x3E,~0x00,~0x00},{~0x91,~0x52,~0x00,~0xA4,~0xF5,~0xBF,~0xF4,~0xA4}, {~0x11,~0x13,~0x55,~0x51,~0x55,~0x12,~0x11,~0x00}, };uchar code Tab[]={~0xfe,~0xfd,~0xfb,~0xf7,~0xef,~0xdf,~0xbf,~0x7f}; void delay(uint i); void main(){TMOD=0x00;TH0=(8...