C8051F040 t3可调频率方波输出例程

1线通讯协议的c51例子程序, 已调试通过-One-line communication protocol procedure example of the C51 has been debugging through

红外通信是利用950nm近红外波段的红外线作为传递信息的媒体，即通信信道。发送端采用脉时调制（PPM）方式，将二进制数字信号调制成某一频率的脉冲序列，并驱动红外发射管以光脉冲的形式发送出去；接收端将接收到的光脉转换成电信号，再经过放大、滤波等处理后送给解调电路进行解调，还原为二进制数字信号后输出。-Infrared communication is the use of near infrared 950nm infra-red as the transmission of information media, namely communication channel. The sending end when the use of pulse modulation (PPM) approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

一个经典的电子钟程序，采用汇编语言编写，时钟芯片采用DS12C887，具有遥控器修改时间等功能-A classic bell electronic procedure for the preparation of assembly language, the clock chip DS12C887, with remote control features such as modified

Vx1828点3.5"TFT屏的的源程序，提供给大家参考。-Vx1828 point 3.5

《MCS51-ISP单片机学习板实验指导》可以使初学者对MCS51－ISP单片机多一些了解，里面有不少实用的程序- MCS51-ISP Singlechip plate experimental study guide will enable beginners to MCS51-ISP Singlechip more understanding, there are quite a number of practical procedures

一个51单片机网卡的IP地址设置界面程序，供做一些网络设置的人参考．VB做的很简单-a 51 MCU IP address card interface set up procedures for some network configuration of reference. VB is very simple to do

单片机上网的TCPIP协议栈-SCM TCPIP Internet Protocol Stack

仿真软件，可进行单片机等各种程序的仿真验证，大大减少焊接电路板试验的麻烦-the use of the protuse

用单片机蜂鸣器实现911报警声音，采用中断延迟实现输出频率的变换。-Used to achieve single-chip buzzer 911 sounds, using interrupt latency to achieve an output frequency of transformation.

winbond w77e58扩展RAM以及双数据指针的编程方法演示-expansion RAM and dual data pointers programming method demonstration