iic reference program

基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.

蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay

Keil C51 89c52单片机挂接ds1302时钟芯片的驱动程序-Keil C51 articulated ds1302 89C52 microcontroller chip clock driver

摩托罗拉单片机的定时器输入捕捉的原代码-Motorola MCU timer input capture the original code

proteus与单片机的联合仿真教程，希望对大家有所帮助。 -Proteus and MCU joint simulation tutorial, I hope all of you to help.

用C语言编写的对51单片机的非常准确的时钟程序可以显示年月日小时分钟秒-C language for 51 MCU very accurate clock procedures to date show hours minutes seconds

STC12C5410/STC12C5410AD 系列 PWM输出。 采用汇编语言编写，详细注释说明。-PWM output STC12C5410/STC12C5410AD series. Using assembly language to prepare detailed notes.

Elan eKTP8733N单片机开发程序，用于驱动I2C接口。在Elan 公司开发环境中使用。-Elan eKTP8733N single-chip development process, used to drive I2C interface. Elan has developed in the environment.

用增强型单片机51RD2做的控制器，功能包括驱动320*620的LCD，AD/DA采集，键盘采集，微型打印机接口，多CPU通信，ISP在线远程下载等。-with enhanced microcontroller 51RD2 do controller, Driver features include 320* 620 LCD, AD/DA acquisition, keyboard acquisition, micro-printer interface, Multi-CPU communications, remote ISP online downloads.

这是我校用于课程设计的USB单片机的库函数。内容精彩，不可多得。-This is my school curriculum design for the USB MCU library functions. As exciting indeed.