用汇编写的PIC单片机交通灯程序！配有PROTEUS电路图！

一些常用的c51源码，编程时可以参考。-some frequently used source decoder, the reference can be programmed.

液晶屏12864演示程序，欢迎大家共享学习！-12864 LCD demo program are welcome to share learning!

完成了温度采集并显示的功能，内含1602LCD的完整显示程序，以及AT502的温度采集，转换并显示。keil c编写-Completed a temperature acquisition and display functions, contains the complete show 1602LCD procedures, as well as the temperature AT502 acquisition, conversion and display. keil c prepared

AD9851子程序,实现快速频率变换和波形输出-Subroutine AD9851 achieve rapid frequency conversion and waveform output

8253的初始化程序举例: 例1：选择2号计数器，工作在3方式，计数初值为533H（2个字节），采用二进制计数。其初始化程序段为 MOV DX，307H ；命令口 MOV AL，10110110B ；2号计数器的初始化命 令字 OUT DX，AL ；写入命令寄存器 MOV DX，306H ；2号计数器数据口 MOV AX，533H ；计数初值 OUT DX，AL ；选送低字节到2号计数器 MOV AL，AH ；取高字节送AL OUT DX，AL ；后送高字节到2号计数器 -8253 initialization procedures examples : Example 1 : Select counters on the 2nd, in three ways. Counting for the initial 533H (2 bytes), a binary counting. Initialization of its procedures for MOV DX, 307H; I ordered MOV AL, 10110110B; on the 2nd Counter initialize command word OUT DX, AL; write commands Register MOV DX, 306H; data on the 2nd Counter I MOV AX, 533H; Counting initial OUT DX, AL; low-byte sent to the 2nd Counter MOV AL, AH; With a high-byte send AL OUT DX, AL; evacuations high byte counter to the 2nd

本要求适用于Microcon-T02半导体冰箱控制板（以下简称控制板）。本控制板由电源板、显示控制板两部分组成。-The requirements apply to Microcon-T02 semiconductor refrigerator control panel (hereinafter referred to as the control panel). The control panel from the power supply board, display panel is composed of two parts.

Daying-YM12864LCM液晶驱YM12864LCM_Daying_430-Daying-YM12864LCM LCD drive YM12864LCM_Daying_430

程序详细功能介绍： * 利用AT89S51单片机的P0端口的P0.0－P0.7连接到一个共阳数码管的a－h的笔段上， * 数码管的公共端通过三极管8550选通。在数码管上循环显示0－9数字，显示时间的间隔可通过修改延时程序。 -Procedures detailed functional Introduction:* use AT89S51 MCU port P0 is connected to P0.0-P0.7 Yang a total digital control of the a-h T segment,* digital tube through the public side-gated transistor 8550. In the digital control on the circulation figures 0-9 show, indicating the time interval may be delayed by modifying the procedures.

利用PWM实现正弦波和DTMF-achieve sine wave PWM and DTMF