DS1302，DS18B20，中断三个子函数，可直接调用。

CPU的code banking技术实例： This Zip file contains five (3) folders: FastChip Project Files * This folder contains a folder called "Bank" that should be moved into: FastChipProjects Keil Project Files * These files are to be put into the directory of your choice and the project is to be opened from within Keil Hex Files * These files are the output of Keil. If you do not want to compile and link all of the code, these files can be loaded into FastChip directly -CPU examples of code banking technology: This Zip file contains five (3) folders: FastChip Project Files* This folder contains a folder called

SD卡资料大全，在网上找了好久的，供大家开发SD卡查询。-SD card Sourcebook, the Internet looking for a long time, and for all to develop SD card queries.

c51拼音输入法~~带了很多注解~很实用-Pinyin Input Method C51 ~ ~ ~ with a lot of very useful comments

ATMEL公司的AT89S系列51单片机ISP软件-ATMEL the AT89S Series 51 software microcontroller ISP

RS422 RS485技术标准-RS422 RS485 technical standards

基于FPGA的ds18b20数字温度采集，verilog 编写-du to fpga ds18b20

学习F020的同学， 可以看看这个 ，这是一个关于信号分析的程序，可以测量信号的上升沿，下降沿，脉宽。-If you wanna learn C51 more fast, this resoure maybe give you a helper.

CC2430 基础实验一LED灯自动闪烁-CC2430 experimental basis for a flashing LED light automatically

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.

C51单片机教程L2,以及L2的例子源代码. -C51 Singlechip Tutorial L2, and L2 the example source code.